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Japan JIS SN400B 建筑结构用轧制钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SN400B / SN 400 B
Category Grade Standard Region/Area Standard Content
Metals SN 400 B JIS G3136 Japan 建筑结构用轧制钢

Chemical composition(mass fraction)(wt.%) of the SN 400 B

Element Min Max Similar
Si - 0.3500 -
S - 0.0150 -
P - 0.0300 -
Other - - -
Mn 0.6000 1.5000 -
C - 0.2000 -

Mechanical Properties of steel grade SN 400 B

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)
532 (≥) 584 (≥) 34 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade SN 400 B

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
43 - -     0.24 -  
835 425 - 14.3 112   -  
464 - 14 13.2   134 233

Heat Treatment of steel grade SN 400 B

Heat treated : 1379°C - 1851°C

Technological Curves of steel grade SN 400 B

Cross Reference Table (Equivalent Grade) of SN 400 B

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