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SMn420WCH

Japan JIS SMn420WCH 低合金冷镦钢 - 第2部分:线缆 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMn420WCH / SMn420WCH
Category Grade Standard Region/Area Standard Content
Metals SMn420WCH JIS G3509-2 Japan 低合金冷镦钢 - 第2部分:线缆

Chemical composition(mass fraction)(wt.%) of the SMn420WCH

Element Min Max Similar

Mechanical Properties of steel grade SMn420WCH

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)
395 (≥) 247 (≥) 11 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade SMn420WCH

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
23 - -     0.13 -  
773 143 - 22.3 133   -  
499 - 44 11.2   123 424

Heat Treatment of steel grade SMn420WCH

Heat treated : 1232°C - 1323°C

Technological Curves of steel grade SMn420WCH

Cross Reference Table (Equivalent Grade) of SMn420WCH

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