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SUS 420J2

Japan JIS SUS420J2 不锈钢棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUS420J2 / SUS 420J2
Category Grade Standard Region/Area Standard Content
Metals SUS 420J2 JIS G4303 Japan 不锈钢棒

Chemical composition(mass fraction)(wt.%) of the SUS 420J2

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni - 0.6000 -
Mn - 1.0000 -
Cr 12.0000 14.0000 -
C 0.2600 0.4000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni - 0.6000 -
Mn - 1.0000 -
Cr 12.0000 14.0000 -
C 0.2600 0.4000 -

Mechanical Properties of steel grade SUS 420J2

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
745 (≥) 841 (≥) 22 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade SUS 420J2

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
34 - -     0.13 -  
447 192 - 11.3 224   -  
711 - 32 12.2   142 232

Heat Treatment of steel grade SUS 420J2

Heat treated : 1519°C - 1751°C

Technological Curves of steel grade SUS 420J2

Cross Reference Table (Equivalent Grade) of SUS 420J2

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