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China GB 420SS 不锈钢棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 420SS / 420SS
Category Grade Standard Region/Area Standard Content
Metals 420SS GB/T 1220 China 不锈钢棒

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

Element Min Max Similar
C 0.3600 0.4800 -
Si - 0.6000 -
Mn - 0.8000 -
S - 0.0300 -
P - 0.0350 -
Cr 12.0000 14.0000 -
Ni - 0.6000 -

Mechanical Properties of steel grade 420SS

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)
324 (≥) 571 (≥) 22 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 420SS

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
13 - -     0.22 -  
143 358 - 21.3 234   -  
616 - 31 41.2   234 324

Heat Treatment of steel grade 420SS

Heat treated : 1915°C - 1429°C

Technological Curves of steel grade 420SS

Cross Reference Table (Equivalent Grade) of 420SS

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