Sumitomo General Catalog 2025-2026

Sumitomo’s Coating Series combines a proprietary tough cemented carbide substrate with a multi-layered coating for use in high-speed, high-efficiency applications on a wide range of workpiece materials including steel, cast iron and exotic alloys. Coated Carbide

Features

®

: New coating technology that realizes absolute stability

CVD

PVD

A

Special Surface Treatment: Chipping resistance and adhesion resistance are signicantly improved by special surface treatments applied to suit the application High Strength Alumina Layer: Signicantly improves the coating strength by controlling crystal growth direction High Hardness Micro-Grain TiCN Layer: Signicantly improves the coating hardness by using a ne and uniform crystal structure High Adhesion Technology: Signicantly improves adhesion strength through a smooth interface between the coating and carbide substrate

Our proprietary super multi-layered coating structure: Advanced nanotechnology enables nanometre-level thickness (1 nanometre is one billionth of a metre) Hardness, thermal resistance and toughness are signicantly improved by alternately layering one thousand layers of super thin lms

10nm

Cross Section of Cutting Edge Coating TEM Structure

High Adhesion Technology: Signicantly improves adhesion strength through advanced control technology at the interface of the coating and carbide substrate

● Suppresses abnormal damage such as chipping and adhesion. Stable machining is achieved in various situations. ● Next-level high strength and high hardness coating is achieved. Achieves long, stable tool life even in high-efciency machining. ■ Applicable Grades: (For Steel Turning) AC8015P, AC8025P, AC8035P (For Stainless Steel Turning) AC6020M, AC6030M (For Cast Iron Turning) AC4010K, AC4015K (For Milling) ACP2000, ACK2000

● Optimised coating composition according to application. Achieves stable machining regardless of the work material. ● Signicantly improves chipping resistance by improving coating adhesion strength.

Stable machining is realised even under high load conditions. ■ Applicable Grades: (For Stainless Steel Turning) AC6040M (For Exotic Alloy Turning)

AC5015S, AC5025S

(For Small Lathes)

AC1030U

(For Milling)

ACU2500, ACP3000, ACK3000

®

PVD

Brilliant Coat

Brilliant Coat provides excellent lubricity for higher quality machining

Workpiece Material: STKM13A Insert: CNMG432ELU Cutting Conditions: v c =330 SFM f =0.006 IPR a p =.040", Wet

Brilliant Coat

Conventional coating

● PVD coating with excellent wear resistance and lubricity ● Suppresses reactions with work material and realises beautiful machined surfaces

■ Applicable Grade: (For Steel Turning) T1500Z

PVD

AURORA Coat (DLC: D iamond L ike C arbon)

Using our proprietary PVD process technology, we have developed a hydrogen-free DLC coating that is extremely hard, at and smooth.

● Comparison of Cutting Edge Adhesion after Cutting ADC12

Adhesion of Aluminum

Workpiece Material: ADC12 Cutting Conditions: v c = 1,000 SFM f z = 0.006 IPT a p = .200" a e = .200", Dry

AURORA Coat

Uncoated Carbide

● Second only to diamond in terms of hardness, this at and smooth coating has a low coefŠcient of friction and provides excellent adhesion resistance to deliver better machined surface quality ● Can be used for high-speed, high-efŠciency cutting of aluminum alloys, copper alloys, resins and more

■ Applicable Grades:

(For Milling) DL1000, DL2000 (For Endmilling) DL1000, DL1200 (For Drilling) DL1300, DL1500

A26

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