JIS G4303 SUS420J2 High Strength Stainless Steel
SUS420J2 by heat treatment (quenching and tempering) after, has excellent corrosion resistance, polishing performance, high strength and wear resistance.
Characteristic:
SUS420J2 Stainless steel corrosion, heat treatment, heat treatment does not produce deformation, there are ultra-mirror processing performance, in the annealed state has a good mechanical processing performance.
SUS420J2 Steel Chemical Composition:
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Ni |
|
SUS420J2 |
0.26-0.40 |
≤1.00 |
≤1.00 |
≤0.04 |
≤0.03 |
12.00-14.00 |
≤0.60 |
SUS420J2 Steel Mechanical Property:
Yield strength (N / mm2) ≥540,
Tensile strength (N / mm2) ≥740,
Elongation rate EL (%) ≥12,
Hardness ≥ HBW217
Section shrinkage /% ≥40
Charpy impact value / (J / cm2) ≥29
Application:
Stainless steel is used fluorine plastic or corrosive gases corrosive to add flame retardant plastic mold.