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SNCM439WCH

Japan JIS SNCM439WCH 低合金冷镦钢 - 第2部分:线缆 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNCM439WCH / SNCM439WCH
Category Grade Standard Region/Area Standard Content
Metals SNCM439WCH JIS G3509-2 Japan 低合金冷镦钢 - 第2部分:线缆

Chemical composition(mass fraction)(wt.%) of the SNCM439WCH

Element Min Max Similar

Mechanical Properties of steel grade SNCM439WCH

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)
331 (≥) 953 (≥) 11 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade SNCM439WCH

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
33 - -     0.34 -  
223 436 - 24.3 413   -  
451 - 12 21.2   134 314

Heat Treatment of steel grade SNCM439WCH

Heat treated : 1556°C - 1674°C

Technological Curves of steel grade SNCM439WCH

Cross Reference Table (Equivalent Grade) of SNCM439WCH

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