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China 首钢Q/SG SM400C 结构用热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SM400C / SM400C
Category Grade Standard Region/Area Standard Content
Metals SM400C Q/SGZGS 316 China 结构用热连轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the SM400C

Element Min Max Similar
C - 0.1800 -
Si - 0.3500 -
Mn - 1.4000 -
P - 0.0250 -
S - 0.0250 -
Cu - 0.3000 -
Cr - 0.3000 -
Ni - 0.3000 -
N - 0.0080 -

Mechanical Properties of steel grade SM400C

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)
255 (≥) 796 (≥) 21 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade SM400C

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
12 - -     0.14 -  
865 294 - 24.3 114   -  
384 - 13 11.2   413 434

Heat Treatment of steel grade SM400C

Heat treated : 1215°C - 1663°C

Technological Curves of steel grade SM400C

Cross Reference Table (Equivalent Grade) of SM400C

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