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China 首钢Q/SG SS400B 结构用热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SS400B / SS400B
Category Grade Standard Region/Area Standard Content
Metals SS400B Q/SGZGS 316 China 结构用热连轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the SS400B

Element Min Max Similar
C - 0.2000 -
Si - 0.3500 -
Mn - 1.4000 -
P - 0.0350 -
S - 0.0350 -
Cu - 0.3000 -
Cr - 0.3000 -
Ni - 0.3000 -
N - 0.0080 -
B 0.0008 0.0020 -

Mechanical Properties of steel grade SS400B

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)
566 (≥) 185 (≥) 34 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade SS400B

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
42 - -     0.11 -  
363 366 - 44.3 122   -  
559 - 33 14.2   231 121

Heat Treatment of steel grade SS400B

Heat treated : 1267°C - 1218°C

Technological Curves of steel grade SS400B

Cross Reference Table (Equivalent Grade) of SS400B

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