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Japan JIS SNCM25 镍铬钼钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNCM25 / SNCM 25
Category Grade Standard Region/Area Standard Content
Metals SNCM 25 JIS G4103 Japan 镍铬钼钢

Chemical composition(mass fraction)(wt.%) of the SNCM 25

Element Min Max Similar

Mechanical Properties of steel grade SNCM 25

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)
743 (≥) 339 (≥) 22 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade SNCM 25

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 - -     0.41 -  
331 574 - 41.3 213   -  
299 - 43 41.2   441 323

Heat Treatment of steel grade SNCM 25

Heat treated : 1858°C - 1238°C

Technological Curves of steel grade SNCM 25

Cross Reference Table (Equivalent Grade) of SNCM 25

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