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Japan JIS SN400A 建筑结构用轧制钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SN400A / SN 400 A
Category Grade Standard Region/Area Standard Content
Metals SN 400 A JIS G3136 Japan 建筑结构用轧制钢

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

Element Min Max Similar

Mechanical Properties of steel grade SN 400 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)
122 (≥) 237 (≥) 33 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade SN 400 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
32 - -     0.34 -  
965 637 - 11.3 113   -  
644 - 34 12.2   413 123

Heat Treatment of steel grade SN 400 A

Heat treated : 1667°C - 1267°C

Technological Curves of steel grade SN 400 A

Cross Reference Table (Equivalent Grade) of SN 400 A

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