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SMA 400 BW

Japan JIS SMA400BW 热轧耐大气腐蚀的焊接结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMA400BW / SMA 400 BW
Category Grade Standard Region/Area Standard Content
Metals SMA 400 BW JIS G3114 Japan 热轧耐大气腐蚀的焊接结构钢

Chemical composition(mass fraction)(wt.%) of the SMA 400 BW

Element Min Max Similar
Si 0.1500 0.6500 -
S - 0.0350 -
P - 0.0350 -
Other - - -
Ni 0.0500 0.3000 -
Mn - 1.2500 -
Cu 0.3000 0.5000 -
Cr 0.4500 0.7500 -
C - 0.1800 -

Mechanical Properties of steel grade SMA 400 BW

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)
967 (≥) 113 (≥) 31 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade SMA 400 BW

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
41 - -     0.32 -  
378 614 - 33.3 443   -  
281 - 23 32.2   343 231

Heat Treatment of steel grade SMA 400 BW

Heat treated : 1794°C - 1224°C

Technological Curves of steel grade SMA 400 BW

Cross Reference Table (Equivalent Grade) of SMA 400 BW

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