JIS G4304 SUS420J2 stainless steel plate, SUS420J2 steel sheet Heat treatment

JIS G4304 SUS420J2 stainless steel plate after heat treatment (quenching and tempering), with excellent corrosion resistance properties of polished high strength and wear resistance, SUS420J2 steel sheet is a type of martensite stainless steel. It can obtain good corrosion resistance, great polishability, high strength and wear resistance. Quenching and tempering should be carried out to improve its hardness (about 25~30HRC), followed by machining.

SUS420J2 steel sheet is typically used in the fluoroplastics and corrosive plastic mould with adding flame retardant. It is suitable for the manufacture of plastic moulds working in corrosive medium with high load and high abrasion resistance.

SUS420J2 steel sheet Chemical composition(%)

C:0.26-0.4 Si≤1.0 Mn≤1.0 P≤0.04 S≤0.03 Cr:12-14 Ni≤0.6

SUS420J2 stainless steel plate Mechanical property

Yield strength Min Mpa:225 Tensile strength Mpa:540 Elongation %Min:18

Hardness max: Brinell 235, Rockwell B 95

Packaging Details: Standard export seaworthy packing or as required.

Delivery Time: 30-50 days, 7 days for stock goods.

Supplementary Technology: HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2|

Heat treatment of SUS420J2:

Quenching temperature is 1000~1050℃. Tempering temperature is 200~500℃. Hardness is 50~55HRC.

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