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France AFNOR NF S420MC 冷成型热轧高屈服 强度扁钢-第2部分:热机械轧制的钢的运输条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S420MC / S 420 MC
Category Grade Standard Region/Area Standard Content
Metals S 420 MC NF EN 10149-2 France 冷成型热轧高屈服 强度扁钢-第2部分:热机械轧制的钢的运输条件

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

Element Min Max Similar

Mechanical Properties of steel grade S 420 MC

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)
941 (≥) 429 (≥) 31 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade S 420 MC

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
41 - -     0.12 -  
348 745 - 24.3 222   -  
923 - 42 32.2   414 141

Heat Treatment of steel grade S 420 MC

Heat treated : 1316°C - 1143°C

Technological Curves of steel grade S 420 MC

Cross Reference Table (Equivalent Grade) of S 420 MC

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