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Japan JIS SNCM630 镍铬钼钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNCM630 / SNCM 630
Category Grade Standard Region/Area Standard Content
Metals SNCM 630 JIS G4103 Japan 镍铬钼钢

Chemical composition(mass fraction)(wt.%) of the SNCM 630

Element Min Max Similar

Mechanical Properties of steel grade SNCM 630

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)
871 (≥) 442 (≥) 22 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade SNCM 630

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 - -     0.33 -  
546 654 - 32.3 314   -  
885 - 32 13.2   233 241

Heat Treatment of steel grade SNCM 630

Heat treated : 1869°C - 1695°C

Technological Curves of steel grade SNCM 630

Cross Reference Table (Equivalent Grade) of SNCM 630

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