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China 唐山国丰Q/TGF SS400-A 结构用热轧钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SS400-A / SS400-A
Category Grade Standard Region/Area Standard Content
Metals SS400-A Q/TGF 303 China 结构用热轧钢带

Chemical composition(mass fraction)(wt.%) of the SS400-A

Element Min Max Similar
C - 0.2000 -
Si - 0.0500 -
Mn - 0.8000 -
P - 0.0350 -
S - 0.0350 -
Cu - 0.2000 -
Cr - 0.1500 -
Ni - 0.1500 -

Mechanical Properties of steel grade SS400-A

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)
924 (≥) 136 (≥) 24 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade SS400-A

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 -  
251 998 - 43.3 423   -  
388 - 42 22.2   333 213

Heat Treatment of steel grade SS400-A

Heat treated : 1941°C - 1584°C

Technological Curves of steel grade SS400-A

Cross Reference Table (Equivalent Grade) of SS400-A

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