CNK - Products - Metal & Resin Processing - Metal Processing

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KS	JIS	ASTM	Characteristics	Usage
STS304	SUS304	TP304	Possesses excellent corrosion resistance, high heat resistance, and low-temperature toughness. Also exhibits good formability and weldability. Does not harden through heat treatment and is non-magnetic.	Chemical industrial equipment, food industry piping, automotive components, textile industrial equipment, heat-resistant parts, ship components, construction and decoration, kitchen appliances, and household appliances.
STS304L	SUS304L	TP304L	Low-carbon, Ni-Cr steel that exhibits similar corrosion resistance to 304 in its annealed state. Demonstrates exceptional resistance to intergranular corrosion after welding or stress relief heat treatment.	Petrochemical industry, chemical fiber industry, and nuclear power generation facility.
STS316	SUS316	TP316	Exhibits excellent corrosion resistance, especially against sulfuric acid, due to the addition of 2-3% Mo and increased Ni content. Also demonstrates high oxidation resistance and has high-temperature creep strength. Does not harden through heat treatment and is non-magnetic.	Petrochemical industry, chemical fiber industry, chemical fertilizer, paper industry, and food processing facility.
STS316L	SUS316L	TP316L	Low-carbon Ni-Cr steel with Mo, similar to 316. Demonstrates exceptional resistance to intergranular corrosion after welding or stress relief heat treatment.	Paper pulp industry, chemical fiber industry, dyeing industry, phosphates processing equipment, etc.
STS321	SUS321	TP321	Stabilized steel made from 304 with the addition of Ti to prevent intergranular corrosion. Commonly used as a heat-resistant material due to its high-temperature creep strength.	Rings in dust collectors, expansion joints, boiler tubes, chemical processors.
STS347	SUS347	TP347	Stabilized steel made from 304 with the addition of Nb to strengthen intergranular corrosion resistance. Commonly used as a heat-resistant material due to its high-temperature creep strength.	Boiler tubes, boiler covers, aircraft exhaust systems, dust collectors, rings, expansion joints, and chemical processing equipment.
STS410	SUS410	TP410	Low Cr steel that can be strengthened by hardening. Exhibits high hardness, excellent corrosion resistance, and possesses good durability and abrasion resistance.	Components related to high stress, automotive parts, and electrical appliances.
STS430	SUS430	TP430	Representative grade of ferritic stainless steel. Excellent cold workability and corrosion resistance. Does not undergo heat treatment hardening but is magnetic in nature.	Household kitchen appliances, automotive parts, construction, and electrical appliances.