The latest issue of the Sassda Stainless Steel Magazine is here, delivering essential insights for professionals in the stainless steel industry. This edition explores key topics shaping the sector, from Sassda’s efforts to grow local demand to critical technical insights on the hidden risks of corrosion in laser-cut stainless steel. Gain market intelligence to drive business growth, discover South Africa’s path to manufacturing revival, and stay informed on the latest industry projects, training programs and innovations.
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Contents
New Member Profile Next-generation glass blasting media combats stainless steel corrosion
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Sassda Perspective Forging ahead: stainless steel stands its ground in 2025
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Projects with Potential South Africa’s new era of development and sustainability
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GPS Roundup Market intelligence to boost business growth
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State of the Stainless Steel Nation South Africa’s manufacturing crossroads: A path to revival
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Projects with Potential Namibia’s rise as a resource powerhouse
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Focus Feature Stainless steel in figures: a global and South African view for 2025
Sassda News Holloware to Harvest: Sassda grows local demand
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Member News Training Sassda launches enhanced training programmes for industry growth
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Sassda News A pioneering event in materials engineering
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Member News Eastern Cape Golf Day: A swinging success for industry collaboration
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Professional Profile Turning opportunity into impact: A career in motion
Technical FAQ The hidden corrosion risk in laser cut stainless steel
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Adverts Columbus Stainless • Fastenright • NDE • Sassda
industry perspective
Forging ahead: Stainless steel stands its ground in 2025
Contact us
TELEPHONE NUMBER 011 883 0119
EMAIL info@sassda.co.za WEBSITE www.sassda.co.za
After the volatility of recent years, we have entered the new year with high hopes and a positive outlook. Welcome to the first issue of Stainless Steel Magazine for 2025 - we trust it will be the engaging and informative read you have come to expect!
Sassda
MICHEL BASSON Executive Director michel@sassda.co.za
CALLUM SUTHERLAND Members & Communication callum@sassda.co.za MANKABE MORE Education & Training mankabe@sassda.co.za
In this edition, we provide insights into the state of the stainless steel industry and share encouraging statistics showing a definitive increase in stainless steel consumption in South Africa during 2024. After a challenging post-Covid recovery period, our industry has returned to pre- pandemic levels and Sassda is optimistic that we can finally put this global upheaval behind us. Our industry has also proven its resilience, navigating persistent electricity challenges with resourcefulness and emerging leaner and more efficient. However, as one challenge subsides, other risks loom over the South African steel sector. This time, the threat stems from the international stage, where factors such as: diminishing U.S. aid, the spectre of increased US import tariffs and uncertainty surrounding South Africa’s continued participation in AGOA, cast a shadow over the industry. To give credence to the importance of sustaining our sector during this crucial time, in this issue, we take a closer look at the risks of de-industrialisation and its potential impact on the country. Investing in skills and industry growth Overall, Sassda remains committed to promoting the use of stainless steel and increasing local conversion by adding value to primary stainless steel products. Encouragingly, statistics show strong growth in local, value addition during 2024. We believe that Sassda has played a critical role in this success. Our training initiatives also continue to drive industry awareness and encourage the more efficient use of stainless steel. In 2024, Sassda saw strong attendance in all its training courses and, through our Free Training for Members policy, invested approximately R500 000 in industry training - more than double the R230 000 invested in 2023. Recognising the growing demand for training, we are expanding our course offerings, which you can read more about in this edition. On a personal note, the Passionate About Stainless feature continues to be a highlight of the magazine, shining a well-deserved spotlight on the dedicated professionals shaping the future of our industry and this edition is no exception. With that, we wish everyone a successful 2025. Remember, Sassda is just a click away as we remain committed to our mission of always being here to support you with all things stainless!
TEBOGO NKWE Market Intelligence & Lobbying Tebogo@sassda.co.za KIM STEVENS Events, Email Marketing and Website kstevens@sassda.co.za
JOSE HERON Accounts jose@sassda.co.za
LUISE ALLEMANN Content, Social Media and the Stainless Steel Magazine luise@mediaink.co.za
The Stainless steel magazine is published quarterly and is distributed to stockists, distributors, fabricators, specifiers, consulting engineers, architects, mining, petrochemical and chemical industries, food beverage and pharmaceutical industries, consumer outlets, end-users, educational institutes and provincial and government departments. Sassda makes every effort to ensure the accuracy of the contents of its publications, but no warranty is made as to such accuracy and no responsibility will be borne by the publisher or Sassda for the consequences of any actions based on information so published. All opinions, views and expressions contained in this publication are not necessarily those of the management of Sassda. The contents of this publication enjoy positive protection under the Copyright Act and therefore copyright thereof is expressly reserved. Any copying, publication and distribution of part or whole of the publication is prohibited unless consent is granted by Sassda.
Michel Basson, Sassda Executive Director
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gps roundup
Market intelligence to boost business growth Welcome to the highlights edition of the Sassda GPS eNewsletter, your go-to source for key developments shaping South Africa’s business, industrial, and economic landscape. This selection prioritises the top stories from the latest issues ensuring you stay ahead with the most current insights. Enjoy the read!
MiningIndaba: The value of synergy between Africa’s mining and automotive sectors Volkswagen Group South Africa MD Martiena Biene highlighted the symbiotic relationship between the mining and automotive industries at the 2025 Mining Indaba. She emphasised how raw material supply from mining underpins Africa’s automotive sector and its potential for sustainable growth… Read more
South Africa’s energy and transport reforms could create 500 000 jobs - World Bank The World Bank’s latest economic update indicates that South Africa could increase GDP growth by up to 3% in the medium term by addressing energy and freight logistics constraints. This could lead to the creation of approximately 500 000 new jobs... Read more
South Africa aims to attract more private investment into infrastructure South Africa’s National Treasury has announced plans to transform its approach to private-sector participation in public infrastructure projects. This includes developing a blended finance risk-sharing platform to build on its independent power-producer programme… Read more
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gps roundup
President Ramaphosa hints at New Energy Vehicle demand-side incentives At SA Auto Week in Cape Town, President Cyril Ramaphosa acknowledged the local automotive industry’s need to adapt to increasing demand for new energy vehicles (NEV). He stressed the importance of South Africa remaining part of the global supply chain for EVs…. Read more Government inaction seals ArcelorMittal’s fate ArcelorMittal (Amsa) says it has no choice but to start winding down its long steel plants after failing to extract concessions from the government over the preferential treatment extended to competing scrap mills. These mills can purchase scrap steel at a 30% discount to international prices. The closure of Amsa’s steel mills continues the country’s prolonged deindustrialisation, which began in the 1980s. Amsa announced its plan to close its long steel business earlier this month but postponed the final decision pending discussions with the government… Read more
New and cheaper type of diesel coming to South Africa A collaborative project involving Sasol, Anglo American, and De Beers aims to produce a more affordable renewable diesel using bio-based feedstocks. This initiative, announced at the 2025 Mining Indaba, seeks to lower fuel costs and reduce environmental impact…. Read more
Cape Town has a taste for desalination The City of Cape Town is seeking public input on its first permanent desalination plant in Paarden Eiland. This project forms part of the city’s New Water Programme (NWP) aimed at ensuring long-term water security in response to climate change and population growth… Read more
The Small Business Ministry is a “waste of resources” and needs to be shut down Speaking during a BizNews podcast Ann Bernstein, Executive Director of the Center for Development and Enterprise, critiques South Africa’s Small Business Development Department and its lack of measurable impact. She argues that billions of rand are being wasted on ineffective government-run programs, calling for a shift towards private sector involvement in small business support... Read more
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gps roundup
Renewable energy trading heats up in SA business circles Renewable energy trading is gaining traction in South Africa, with businesses actively integrating clean power into commercial operations. Experts emphasise that while engineering plays a key role, financial and logistical aspects are crucial in making renewable energy a viable alternative... Read more
World inflation is at risk of rekindling with Trump’s trade war Moneyweb reports concerns over inflation risks due to escalating trade tensions between the US and China, following President Donald Trump’s renewed tariff threats. Economic analysts now question whether global disinflation can hold in the face of potential counter measures… Read more
New Scaw steel mill to replace R4bn imports Scaw Metals has invested R5-billion in the development of a new steel mill in Johannesburg, positioning the company to replace hundreds of thousands of tonnes of steel imports with locally manufactured products. The local manufacturer of long steel products, which competes with ArcelorMittal South Africa (Amsa) and many mini-mills and micro mills across the country, is likely to replace some R4bn worth of products that are currently imported… . Read more
Good news for local business travellers The Department of Transport has confirmed that low-cost airline Safair has been given 12 months to restructure its ownership to comply with aviation regulations. This decision ensures continued service while compliance issues are resolved. .. Read more
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state of the stainless steel nation
South Africa’s manufacturing crossroads: A path to revival
South Africa’s stainless steel and manufacturing industries face a pivotal moment. The potential closure of ArcelorMittal South Africa’s (AMSA) long-products division is a major challenge, with the risk of job losses and further de-industrialisation. However, this crisis also presents an opportunity for renewal and strategic action. In fact with the right interventions, South Africa can turn the tide, reclaim its industrial strength, and secure a sustainable future for its workforce. This column from Sassda Executive Director, Michel Basson explores the challenges, the impact of AMSA’s potential closure, and the urgent steps needed to revitalise the sector...
One of the most pressing concerns for the steel sector in South Africa is the potential closure of ArcelorMittal South Africa’s long-products division, which could lead to the loss of up to 100 000 jobs. The shutdown of this major steel producer would not only impact direct employees but also disrupt supply chains and industries reliant on specialised steel products. Without immediate intervention, the consequences for South Africa’s industrial landscape could be devastating. In essence this is an example of de-industrialisation. De-industrialisation refers to the process of migrating an economy from being manufacturing-based economy to a service-based economy. This normally involves a decline in the importance, wellbeing and contribution of the manufacturing sector to the overall economy, often accompanied by a growth in the service sector. Amongst some there is still doubt that this process is taking place in South Africa. In broad terms de-industrialisation shows the following characteristics: 1. Decline of Manufacturing Employment: This is indicated by a decrease in the number of jobs in the manufacturing sector. Any South African, if asked, would agree that this is true in the country.
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state of the stainless steel nation
2. Shift to Service-Based Economy: An increase in the proportion of jobs and economic output in the service sector. This seems like the logical result of disappearing jobs in the manufacturing sector and this shift is also measurable in South Africa. 3. Closure of Industrial Facilities: The shutdown or relocation of manufacturing plants and facilities. In the case of AMSA, this is exactly what is taking place and has started a number of years ago with the “mothballing” of the Saldanha plant. 4. Loss of Industrial Capacity: A reduction in the ability to produce goods domestically. Many of our white goods were previously manufactured within the country but this position has reversed over the last two decades and is also illustrated very well by the lack of stainless steel finished goods still made in South Africa. Twenty years ago, South Africa still had the ability and capacity to manufacture more than 80% of local demand. This is no longer the case with the hollowware industry teetering on the edge of ruin for many years. The loss of capacity also implies the loss of skills. These skilled people now emigrate and become the competitor of our own industry. The origins of de-industrialisation The usual causes of de-industrialisation would be issues such as globalisation where products are now procured from countries with more competitive strategies. This
would be acceptable since honest competition can make one’s own industry stronger and more competitive. However, local producers in South Africa need to contend with policies that include dumping and other unethical trade mechanisms. Another reason for de-industrialisation could be technology which might give competitors an edge. It is sad to realise that investment in upgrading local technology to a competitive level will be slow and reluctant (even for local financiers) due to low levels of economic growth, crime and legislative and structural issues. In the world of stainless steel, we do not see that consumer trends influence stainless steel demand. The product is used for specific reasons that only stainless steel can satisfy. However, government policies still do not stimulate and encourage domestic manufacturing. This is clear from government’s inability to solve the de-industrialisation issue, with AMSA being the immediate casualty of regulatory and policy failures at many levels. A looming crisis or a chance for renewal? The outcomes of de-industrialisation for the South African economy are already painfully visible when we look at the levels of unemployment and financial inequality in society. The closure of AMSA will have a strong economic impact in a region that cannot afford it. Another example is how South African international policies are now threatening future participation in AGOA. This would be a total calamity for the auto industry and industries such as mining and agriculture. The South African economy and consumers will be forced to rely more heavily on imports.
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state of the stainless steel nation
The battle to revive domestic manufacturing
To mitigate these effects, industry stakeholders have been calling for a well considered and all encompassing metals sector industrial policy. In 2018 the Steel Master Plan was devised to address these issues as a strategy to promote local production, increase demand, and encourage investment in the stainless steel industry. Unfortunately, this initiative, albeit strongly supported and driven by the private sector, is currently suffering from a severe lack of forward momentum. In light of this, some of the industry-related, private sector partners are forging ahead with some good initiatives, not willing to wait longer for direction from government and the relevant ministers. The industrial partnerships and cooperation between private sector entities contributes vastly to the electricity supply issues of the past few years. Sassda believes that the same can be attained in the stainless steel sector when we surround ourselves with likeminded peer organisations with a will and positive attitude to make things work in South Africa. This attitude seems to be working, since the local consumption of stainless steel that was locally converted and added value to, has grown substantially with 53% in 2024 after a 16% decline in 2023. This is slowly putting the local stainless steel industry on a path of recovery after more than a decade of steady decline. This is especially noteworthy since local production is still under constraints due to capped exports to the EU. Some of the import/export statistics for 2024 illustrates some of the areas that can be developed for local manufacturing. Not only finished goods, but semi-finished goods and products that can be seen as secondary product such as tube, pipe and other long products.
the imported product due to pricing issues. Given a level playing field, these local producers could be competitive with other global competitors. Unfortunately, the playing field is not level at all. When the pricing of imported product is analysed, it becomes clear that the local producers compete against subsidised product from abroad. This trend has been reported to dtic, including ITAC. Unfortunately, there seems to be an atmosphere of general reluctance to address these critical issues for a major foreign currency generator in our industry, and the problem gets kicked around with no solution in sight.
Most of the welded tube made in South Africa is utilised in application such as the auto-industry, food processing and structural. The export of tube is mainly by the auto-industry in the form of exhaust components and the like. The South African auto industry is highly competitive and makes use of modern technology. However, it still cannot compete against
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state of the stainless steel nation
Getting a handle on knives and forks A similar scenario is playing out in the holloware sector. Holloware includes products such as cookware, pots, pans and other cooking utensils. As mentioned earlier, South Africa had the capacity and technology twenty years ago to be not only a market leader and exporter of these items but had the ability to supply more than 80% of local demand. This is an industry in which around three to five jobs per ton can be created in the value chain thus a critical sector for job creation for skilled and semi-skilled employment. More than 16 000 tons were imported during 2024 compared to 1417 tons being exported. Once again the few local suppliers able to service the market have to compete on another
slanted playing surface against products that use substandard material, that do not comply with SABS standards, and
in many cases also clearly subsidised
in some form or another.
“The question is not whether South Africa can rise to the challenge— but how quickly “
Seizing the opportunity for growth On the positive side, Sassda has been working with Columbus Stainless and other industry partners to link major retailers with South African producers. The revival of this industry will not take place overnight, but will rather be a slow process focussed on limited items which will allow local producers gain experience and capacity to tackle the broader market. However, it remains outside the Sassda’s domain or that of private industry to administrate and initiate regulations to level the playing fields. In the face of this, the need for a sharper focus on import tariffs has never been more important. However, the decision ultimately lies with the government, but unfortunately there has been little movement on the issue. This uncertainty has made it difficult for manufacturers to plan for the future, further hindering growth in the sector The sector needs to be positive and proactive and as part of this drive Sassda is trying to create new potential markets for local stainless steel. Innovation in the South African stainless steel industry has been in existence since the early years when one of the most notable achievements in the global industry was developed namely 3CR12. This stainless steel grade was pioneered by the local mill, Columbus Stainless as far back as the 1980s. This material is currently used in various industries, including rail, transport, and construction. The full potential of this cost-effective replacement for coated steel products has not been fully developed and rectifying this will be a Sassda key focus during 2025.
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sassda news
Sassda’s push to boost local stainless steel
Sassda is ramping up efforts to strengthen South Africa’s stainless steel industry, focusing on revitalising holloware manufacturing and supporting vineyards. By collaborating with major retailers and industry players, Sassda aims to boost local production, reduce imports and enforce higher quality standards “During the past five years Sassda has had a special focus on creating demand for locally made stainless steel products. While its work in terms of localising beer kegs and hollowware is still continuing. During the past good progress on finding agricultural applications for 3CR12 as alternative to coated mild steel products. This process also led to unique and innovative solutions for vineyards and orchards.” Revitalising the holloware sector South Africa’s holloware industry - producing pots, pans, cutlery, and serving ware - has struggled against cheap, low-quality imports. This has led to declining local production and job losses. In response, Sassda Market Intelligence Specialist Tebogo Nkwe, is pushing to localise stainless steel manufacturing through strategic partnerships. Since 2021, Sassda has worked with the Department of Trade, Industry, and Competition (dtic) and retailers such as Shoprite/Checkers, the Lewis Group, and Elite Star Trading Africa. The goal is to connect these retailers with local manufacturers who can produce high-quality stainless steel goods that meet South African Bureau of Standards (SABS) requirements.
One major hurdle is getting the buy-in or support from retailers to localise these products. Sassda is collaborating with many entities such as Proudly SA to ensure we grow the localisation demand in South Africa. To accelerate this localisation push, Sassda has proposed: • Consumer Awareness Campaigns: Educating buyers on the benefits of local stainless steel products. • Retailer Training: Guiding procurement teams on sourcing quality stainless steel goods locally. • Collaboration: Collaborating with other sectors who share the same vision and mission. • Capacity Audits: These have been completed and have assessed local manufacturers’ capabilities to scale up production.
These initiatives aim to revive the holloware sector, boost jobs, and strengthen South Africa’s economy.
As a result, the company’s product is already in use by major industrial clients, including those in the chemical processing, food-grade manufacturing, and architectural sectors, where the aesthetics and longevity of stainless steel surfaces are critical. Stainless steel’s role in vineyards While Sassda’s engagement with vineyards is more indirect, the association recognises stainless steel’s vital role in winemaking. Stainless steel fermentation tanks, storage vessels, and processing equipment are essential for hygiene, durability, and maintaining wine purity. South Africa’s renowned wine regions - Stellenbosch, Franschhoek, and Paarl - rely on stainless steel for top- tier production. Leading estates like Delaire Graff and
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sassda news
strategic initiatives. The association’s main objectives include: • Expanding Local Production: Reducing import reliance and strengthening domestic manufacturing. • Ensuring Quality Compliance: Collaborating with regulatory bodies to enforce strict stainless steel standards. • Driving Industry Growth: Exploring new markets and applications to create more opportunities for local manufacturers. Through these efforts, Sassda is unlocking the full potential of South Africa’s stainless steel sector - driving innovation, quality, and economic growth.
Boschendal have embraced modern stainless steel solutions to enhance quality and efficiency. The road ahead Sassda remains committed to fostering a robust local stainless steel industry through key partnerships and
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sassda news
A pioneering event in materials engineering Inaugural Root Cause Analysis Conference Africa 2025
Conference highlights This four-day event will feature keynote addresses, expert panel discussions, interactive workshops, and exhibitions. Some of the key areas of focus include: • Advancements in Materials Engineering - Breakthroughs in novel materials, high-performance polymers, and sustainable materials. • Failure Analysis and Investigation - Effective methodologies for analysing material failures with real- world case studies. • Corrosion and Wear Protection - Strategies to enhance material durability in extreme conditions. • Quality Control and Manufacturing Processes - The role of advanced manufacturing techniques such as additive manufacturing and precision machining. • Legal and Insurance Perspectives - Insights into regulatory frameworks, litigation case studies, and insurance risk management. Keynote speakers and panellists Renowned experts in engineering, law, and materials science will share their insights at the conference. Notable speakers include: • Dr. Robert Ochola, a PhD in Materials Engineering, discussing Africa’s industrial landscape and economic integration. • Eben Snyman, a legal expert specialising in engineering- related litigation and risk assessment. • Panellists from leading organisations such as ABL Energy and Marine Consultants, Bureau Veritas, and Norton Rose Fulbright Maritime Division will contribute to the discussions.
Cape Town, South Africa, is set to host a groundbreaking event in materials engineering - the Inaugural Root Cause Analysis Conference Africa 2025. Scheduled from March 11-14, 2025, at the prestigious Vineyard Hotel, this conference, organised by One Eighty Materials Engineering Solutions, will be a pivotal gathering for professionals across engineering, legal, insurance, and asset management industries. Sassda is excited to partner with this event, reinforcing its commitment to advancing best practices in stainless steel applications. A key highlight will be the focus on laser welding, an essential technique in stainless steel fabrication that ensures precision, strength, and durability while reducing material distortion and contamination. Why root cause analysis matters Materials engineering has evolved significantly over the last century, transitioning from traditional materials like steel to innovative composites, polymers, and advanced alloys. These advancements have reshaped industries such as aerospace, marine, and oil and gas. However, despite these innovations, failures in material applications due to improper processing, corrosion, and inadequate quality control remain common. The conference seeks to address these issues by fostering discussions on failure prevention, materials selection, and regulatory compliance.
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sassda news
Specialised workshops The conference will also feature hands-on workshops to provide attendees with technical expertise: • Laser Welding and Cleaning Workshop (March 11, 2025) - Exploring the benefits of precision welding and environmentally friendly cleaning technologies. Laser welding plays a critical role in stainless steel fabrication, offering superior weld quality, enhanced corrosion resistance, and minimal heat-affected zones, making it a key technology in high-performance applications. • SEISS Microscopy Workshop (March 12, 2025) - Covering advanced imaging and analysis techniques for materials science applications. Networking and exhibition opportunities As global industries move towards greener and more. The event will provide unparalleled networking opportunities, with an exhibition hall open to the public and showcasing cutting-edge materials and technology solutions. Companies and industry leaders can also explore sponsorship and exhibition opportunities to maximise brand visibility.
Who should attend? This conference is ideal for materials engineers, reliability professionals, quality assurance specialists, legal advisors, insurance risk assessors, procurement managers, and students seeking industry exposure. Registration Interested participants can register for the conference and workshops, with special rates available for students. For more information, visit One Eighty Materials Engineering Solutions’ website or contact the organising committee. Don’t miss this opportunity to be part of Africa’s leading materials engineering and failure analysis conference! To find out more, check pricing, and register here: https://www.one-eighty-degrees.com/root-cause- analysis-conference/
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professional profile
Turning opportunity into Impact: A career in motion
Please provide some background on where you come from, your school and tertiary education and where you first started working? I come from a strong sales and marketing background, with a passion for strategy and business development. I finished my high school career in the UK and came home to complete my BCom Degree in Marketing and went on to earn a Postgraduate Honours degree in Business Administration through the University of South Africa . My career started in junior external sales, my job was to handle the smaller clients that the senior sales reps could not get to, this is where I learned the fundamentals of customer engagement, problem-solving, and relationship-building - Business goes beyond strategy - it involves vision, relationships, and the ability to adapt in a constantly evolving landscape. EMVAfrica Business Development and Marketing Manager Bradley Klassen, has built his career by focusing on identifying opportunities, fostering strong client relationships, and supporting sustainable growth. Here, we speak to Bradley about his journey, the lessons he’s learned, and his insights into South Africa’s stainless steel landscape…
skills that continue to shape my approach to business today. There is no such thing as smaller clients, I believe in growing with my clients , and that’s what I did. What are some of the key work experiences or projects, that you have worked on that have challenged you but also helped to shape your skills, experience and career advancement? Over the years, I’ve worked on several challenging yet rewarding projects that have honed my skills in sales, marketing, and business development. In sales a highlight for me is tapping into new territory or the development of new product lines , watching it go from inception to generating revenue for the organisation. A key focus has been leveraging marketing channels to bridge the gap between prospects and clients, ensuring a seamless customer journey. I’ve also been involved in strategic growth initiatives, helping expand market share and build brand equity. Leading projects that required creative problem- solving and cross-functional collaboration has significantly contributed to my professional growth. Under the leadership of the senior management team at EMVAfrica, I find there is always opportunity for more experience and to learn. No one man is an island, so having a solid team is what creates success. I love being part of a team, aligning our efforts to culminate in our goals being achieved.
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professional profile
How would you describe a typical day in your current position? What are your key focus areas and areas of expertise? As a Marketing and Business Development Manager at EMVAfrica, my role is dynamic and multifaceted. A typical day involves developing and executing marketing strategies, identifying growth opportunities, engaging with stakeholders , and ensuring our value proposition aligns with market needs. I also spend time analysing market trends, working on strategic partnerships, and optimising our marketing channels to enhance customer experience. What would you say are the biggest i. work and ii. life lessons you have learnt thus far in your life? • Work Lesson: Relationships drive business success. No matter how great a product or service is, strong client relationships and trust are the foundation of long- term success. • Life Lesson: Adaptability is key. Change is constant, and the ability to pivot, learn, and grow in the face of challenges is essential for both personal and professional success. How do you hope to take your career to even greater heights - what are your plans for the future? I am always looking for ways to take my career and company to the next level. My focus is on expanding market reach, leveraging digital marketing for enhanced customer
engagement, and driving strategic growth initiatives. Long-term, I aim to play a pivotal role in shaping the future of EMVAfrica, ensuring innovation and sustainability in the stainless steel industry. At a more macro level…In your opinion what are the biggest challenges the South African stainless steel industry currently faces and what are some of the innovative ways these can be overcome? One of the biggest challenges is market volatility due to fluctuating raw material prices and global economic conditions. In addition, the local manufacturing sector faces pressure from imported products. To overcome these challenges, the industry must invest in local value addition, embrace digital transformation, and foster strong supplier-client partnerships to create more resilient supply chains. What do you consider the most exciting innovations/product developments happening in stainless steel right now and what sectors hold the greatest potential for the use of stainless steel in the future? The use of stainless steel in renewable energy, particularly in solar and hydrogen applications, is an exciting development. In addition, industries like food processing, medical, and water treatment are showing increasing demand for high-performance stainless steel solutions. The future lies in sustainable and high-tech applications that enhance efficiency and durability.
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technical FAQ
The hidden corrosion risk in laser-cut stainless steel
There is no such thing as a bad question - only opportunities for deeper understanding. In Sassda’s training sessions, participants from all levels of the industry regularly raise insightful queries, some of which may seem simple at first but often lead to a clearer grasp of complex, technical concepts. These questions not only benefit those in the immediate training environment but also provide valuable learning for students and professionals across the stainless steel value chain. Over time, we’ve noticed that certain questions come up repeatedly during and after our courses. In this new series we aim to explore some of the most common and thought-provoking questions we receive…
The question? Why do the shiny cutting edges of laser-cut parts corrode preferentially?
The answer... This is not only a frequently asked question during our training courses but a common topic when assisting the industry with technical issues. In this particular instance, the question arose from repeated instances where stainless steel signage for outdoor applications in coastal areas - ordered from reputable laser-cutting service providers - began to show localised corrosion near and around laser-cut surfaces. In all cases, the material used was the austenitic Grade 304, which generally has high corrosion resistance. While Grade 304 might not be the best choice for coastal environments, the fact that corrosion occurs preferentially near the cutting surfaces, is an interesting phenomenon.
The returned pieces were tested, and the material grade was confirmed. A photo sent later, by the student who first raised the question, showed a smooth (2B) finish, eliminating surface finish as a contributing factor to corrosion. This is not an isolated problem; it occurs because the cutting surfaces are not passivated, making them more prone to corrosion. The student countered that the surfaces must have been passivated because they appeared shiny upon receipt of the finished product. When stainless steel is laser-cut, it undergoes a thermal process. The laser beam heats the material to its melting point, although in a highly localised area. This creates a narrow Heat-Affected Zone (HAZ), which is difficult to detect with the naked eye but follows the same principles as
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technical FAQ
During laser cutting, intense heat melts the metal along the cutting line. If the molten material is not fully ejected, it resolidifies as dross. Similar to the HAZ, dross formation can contribute to corrosion through chromium depletion. The dross layer can become enriched in chromium oxides, reducing the chromium content in the underlying stainless steel and compromising its corrosion resistance. Dross also creates surface irregularities, increasing the exposed area for moisture and corrosive agents. Some of the dross expelled from the cutting surface may adhere to adjacent areas while still in a liquid state. This penetration of the passive layer can create galvanic corrosion cells, accelerating corrosion. Optimising laser-cutting parameters - such as cutting speed, laser power, and assist gas pressure - can help to reduce dross formation. Proper mechanical removal of dross after cutting further minimizes the risk of corrosion. Key takeaways • Not all shiny surfaces are truly stainless. Do not assume that any heat-treated surface is fully passivated, if it has not received the proper treatment. • Minimise dross formation and remove any dross present to eliminate chromium-depleted areas that could trigger corrosion. • Prevent unnecessary costs associated with removing, re- cutting, or treating affected products by taking proactive measures immediately after cutting. • The moral of the story…this question was not ridiculous - it was Simply Brilliant! Did you know? The Southern Africa Stainless Steel Development Association (Sassda) supports industry growth by providing expert technical advice on fabrication, material selection, corrosion resistance, and failure analysis. Members have access to a comprehensive reference library, technical seminars, and training courses. This service is free for queries requiring less than half a day, with additional support available if needed. Sassda also maintains strong links with national and international technical institutions to stay at the forefront of global stainless steel advancements.
broader heat-affected zones - such as those seen in welding. Typically, areas that exhibit discoloration have been heat- affected and covered by a heat oxide layer. These oxide layers reflect light differently, creating the colourful bands sometimes seen on welds. The heat oxides are depleted in chromium, which can reduce the chromium content in affected areas below the critical 10.5% threshold required for stainless steel to remain corrosion-resistant. As a result, these areas behave more like carbon steel and become susceptible to rust. While welding typically makes heat-affected zones more visible, the rapid movement of a laser beam makes this effect less noticeable. In addition, the laser-cutting process employs pressurised cutting gasses to assist with dross removal and enhance cutting quality. When an inert gas, such as nitrogen, is used, the cutting takes place in a protected environment, preventing oxidation. This explains why no visible colour band appears. However, not all material escapes chromium depletion, making the affected areas vulnerable to corrosion. As corrosion sets in, iron oxide deposits on the surface, causing discoloration. Dross formation and its role in corrosion Another factor influencing corrosion in laser-cut stainless steel is dross formation. Cutting gasses help to minimise dross formation, but some dross is always present, even if it is not visible to the naked eye. Dross refers to the oxidized metal residue that forms on the cut edge due to the heat generated by the laser beam interacting with the atmosphere. It consists of partially melted metal debris that solidifies on the cut edge, often appearing as a rough, oxidized layer.
Click here to make use of this service https://sassda.co.za/about-stainless/technical-enquiry/ OR email mankabe@sassda.co.za to find out more about our training courses.
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Issue 1 – 2025
member news
Next generation glass blasting media combats stainless steel corrosion Pure Glass Media joins Sassda to drive sustainable innovation in stainless steel surface preparation South African company Pure Glass Media has recently become a member of the Southern Africa Stainless Steel Development Association (Sassda), marking a significant step in its mission to promote sustainable surface preparation solutions within the industry. As the sales and distribution arm of Reclite SA, which specialises in recycling electronic waste into industrial materials, Pure Glass Media aims to use its Sassda membership to engage with key industry players, drive awareness, and advocate for the adoption of locally manufactured, recycled glass-based blasting media.
Pure Glass Media Operations Director Louise Cousins says, “Many in the industry are still unaware that glass media can be sourced locally and that it provides a viable alternative to traditional abrasives. By joining Sassda, we hope to bridge this knowledge gap and encourage more businesses to consider sustainable options for their stainless steel surface preparation needs.” A shift in stainless steel blasting practices Stainless steel finishing often relies on abrasive blasting methods using materials such as imported glass beads and steel shot as well as chemicals to clean surfaces following
blasting. However, the supply chain for these materials can be unreliable, with disruptions caused by shipping
delays, rising costs, and environmental concerns.
Cousins adds, “Glass media for blasting has traditionally been imported, making it both expensive and subject to logistical delays. By
manufacturing it locally, we ensure greater availability while significantly reducing the carbon footprint associated with transport and mining.” Manufacturing from electronic waste One of the defining features of the Reclite SA
aligns with the principles of the circular economy, reducing landfill waste and creating a closed-loop recycling system. The recycling and reprocessing of electronic waste into industrial-grade glass media is an emerging sector in South Africa, addressing one of the fastest-growing waste streams globally.
product, is its origin. The glass used in the blasting media is sourced from electronic waste, including materials such as old light bulbs and, glass used in electronics. This process
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Issue 1 – 2025
member news
efficient and precise as possible. We now have a system that can process high volumes while maintaining the specific grain sizes required for different industrial applications. The goal is to keep improving and expanding our capabilities to support more sectors in need of sustainable alternatives,” he says. Turning waste into a valuable resource As global industries move towards greener and more cost-effective solutions, the development of locally sourced, recycled blasting media could mark a turning point for South Africa’s stainless steel industry. Through its membership with Sassda, Pure Glass Media is positioned to educate, engage, and drive awareness within the sector, helping manufacturers and processors explore more sustainable and efficient surface preparation solutions. By collaborating with industry partners and leveraging innovative recycling technologies, Pure Glass Media and Reclite SA are paving the way for a more circular economy in industrial manufacturing - one where waste becomes a valuable resource, rather than a burden.
Applications in stainless steel and beyond While glass-based media is already well known in the stainless steel sector for its role in creating a clean, non- contaminated surface, the availability of locally produced media could encourage wider adoption. The angular shape of Reclite’s blasting media differentiates it from traditional glass beads; offering greater efficiency in surface profiling while maintaining a non-hazardous working environment for operators. Reclite SA MD Steffen Schröder says the key advantage of the company’s product, is that it does not embed contaminants into stainless steel surfaces - a common concern when using steel shot. The non-reactive nature of glass ensures that stainless steel surfaces remain corrosion- resistant, reducing the need for chemical passivation processes after blasting. “In stainless steel applications, one of the biggest concerns is contamination. Traditional steel shot, for example, can lead to microscopic deposits that increase the risk of corrosion. Our product eliminates that risk while maintaining the high-quality finish industries expect,” explains Schröder. As a result, the company’s product is already
in use by major industrial clients, including those in the chemical processing, food-grade manufacturing, and architectural sectors, where the aesthetics and longevity of stainless steel surfaces are critical. Future growth and expansion With South Africa’s industrial sector placing increasing emphasis on sustainability and cost efficiency, Pure Glass Media sees potential for further expansion, including into filtration media for swimming pools and industrial water treatment. The company is also exploring export opportunities, though its current focus remains on establishing a strong local market presence. “In the long run, we aim to make glass media a standard in the industry, rather than an alternative,” says Cousins. “By proving its effectiveness and economic benefits, we believe we can shift industry perceptions and contribute to a more sustainable manufacturing landscape.” Meanwhile, Reclite SA continues to refine its glass processing technology to further optimise production efficiency. According to Schröder, the company has developed specialised machinery that allows it to process large quantities of e-waste glass with minimal energy consumption, reinforcing its commitment to innovation in sustainable materials. “We’ve gone through several iterations of our glass processing equipment to make it as
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Issue 1 – 2025
projects with potential
South Africa is witnessing an unprecedented wave of infrastructure and energy projects, with investments spanning luxury real estate, renewable energy, and industrial development. These projects aim to reshape the country’s urban landscapes, strengthen energy resilience, and enhance economic growth... South Africa’s new era of development and sustainability
Olympus Sandton: redefining urban living In the heart of Sandton, Johannesburg, the Olympus Sandton is emerging as a landmark mixed-use development. Valued at over R2-Billion, the project will feature two grand towers housing more than 400 luxury apartments, alongside premium office and retail spaces. This visionary project is set to transform Sandton into South Africa’s premier neighbourhood, integrating residential, commercial, and leisure spaces seamlessly. Designed by a collaboration between Clarke Hopkins Clarke (Australia) and South African architects, Olympus Sandton focuses on sustainability and modern design, positioning itself as a future-forward urban destination.
Riversdale Solar Energy Project: powering a greener future The Riversdale Solar Project, backed by the Western Cape Government, is another major stride toward sustainable energy. This 10 MW solar photovoltaic (PV) system will generate approximately 15 million kilowatt-hours annually, supported by an advanced Battery Energy Storage System “Olympus Sandton is redefining urban living in Johannesburg, setting a new standard for mixed-use luxury developments.”
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Issue 1 – 2025
projects with potential
Suiso’s Mega Coal-to-Fertiliser Plant: industrial expansion in Mpumalanga Suiso Company is making a massive $1.7-Billion investment in a coal-to-fertiliser plant in Kriel, Mpumalanga. Set to begin operations in 2029, this 900-hectare facility will produce 1.5 million tons of nitrogen-based fertilisers annually. Additionally, the project will generate 234 000 tons of zero-sulphur blue methanol per year, promoting cleaner industrial practices. With the feasibility study completed, the construction phase is expected to commence in February 2025, positioning Mpumalanga as a key player in the global fertiliser market.
“The Riversdale Solar Project marks a significant step towards South Africa’s clean energy future, reducing reliance on Eskom.” economic growth and job creation. The initiative aligns with South Africa’s national drive to diversify its energy mix and increase renewable power generation. (BESS) capable of storing 10 MW-hours of energy. By reducing reliance on Eskom, the project promises affordable, renewable energy to the Riversdale region, fostering
Source: AfricaHouse www.africainfo.co.za
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Issue 1 – 2025
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