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“Sanicro ® 35 is a material of the future. We expect it to take a big share of the current market for Alloy 625.” says Marie Louise Falkland, senior Technical Manager at Outokumpu who are producing the new alloy under license from Alleima (previously Sandvik). NDE is accepting orders for hot rolled plate up to 50mm thick as well as cold rolled sheet 0.4-5.5 mm thick. Before placing the order, NDE will do the necessary technical assessment of your corrosion problem with you to ensure that this is the appropriate material and meets the criteria of your application, including but not limited to: • Life span • Operating conditions • Standard Operating Procedures • Testing Where required, NDE supplies corrosion coupons for corrosion testing and, if necessary, can organise laboratory testing. “Our research into the special properties of Sanicro ® 35 over the past year or two has highlighted a number of typical applications and environments where it could provide significant benefits,” says Basil Goldswain. Call NDE and chat to one of our experienced sales team who can assist with your query and escalate where necessary to our Technical Team to discuss Sanicro ® 35 if you are experiencing corrosion related problems in any of the following areas, or you would like us to help you find the appropriate stainless steel alloy for your particular conditions: • Tube plate & shell of tubular heat exchangers • Scrubbers • Flue gas cleaning • Carbon capture • Sea water • Brine • Chlorinated acids • Chlorinated hydrocarbons • Chemical • Petrochemical • Refinery industry
Impellers created from Sanicro ® 35 plate. These have performed beyond expectation and have been corrosion resistant to high levels of sulphur.
‘In addition, the high mechanical strength often allows for thinner plate to be used in equipment design, further reducing costs,” says Antonie Davis. Developed to fill the gap between austenitic and high nickel alloys, Sanicro ® 35 is a competitive alternative to nickel-based alloys such as Inconel 625 and others, for corrosion resistance in demanding industrial environments. “Our customer needed a solution for large impellers in a very corrosive environment where lifespan was limited by corrosion and the cost of replacement was significant,” says Philan Pillay, the Sales Representative who pioneered the new solution with NDE’s technical team. Basil Goldswain, consulting Engineer on NDE’s technical team, assisted in a variety of assessments of the new alloy, also supplying samples to the customer for their own in- house testing. “We highlighted the Pitting Resistance Equivalent (PRE) of Sanicro ® 35 at a beneficial 52, whereas in comparison, 904L has a PRE of 35. While Inconel 625 has a similar PRE (51) to Sanicro ® 35, Inconel 625 is more expensive due to higher nickel and molybdenum content,” says Basil.
• Inorganic acids • Organic acids • Fine chemicals • Oil & gas equipment
• Biorefining • Geothermal
Sanicro ® 35 sheet and plate are both covered by the ASTM B625 and ASME code Case 2982, Boiler and Pressure Vessel Code, Section VIII, Division I and II.
1 Sanicro ® 35 is a trademark owned by Alleima AB and produced as plate and sheet by Outokumpu under a license agreement.
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Issue 4 – 2024
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