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SMn 438 M

Japan JIS SMn438M 冷轧特钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMn438M / SMn 438 M
Category Grade Standard Region/Area Standard Content
Metals SMn 438 M JIS G3311 Japan 冷轧特钢板

Chemical composition(mass fraction)(wt.%) of the SMn 438 M

Element Min Max Similar

Mechanical Properties of steel grade SMn 438 M

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)
312 (≥) 163 (≥) 23 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade SMn 438 M

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
24 - -     0.31 -  
914 288 - 33.3 212   -  
173 - 32 14.2   343 233

Heat Treatment of steel grade SMn 438 M

Heat treated : 1515°C - 1917°C

Technological Curves of steel grade SMn 438 M

Cross Reference Table (Equivalent Grade) of SMn 438 M

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