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25Cr2Ni4W

China GB 25Cr2Ni4W 合金结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25Cr2Ni4W / 25Cr2Ni4W
Category Grade Standard Region/Area Standard Content
Metals 25Cr2Ni4W GB/T 3077 China 合金结构钢

Chemical composition(mass fraction)(wt.%) of the 25Cr2Ni4W

Element Min Max Similar
W 0.8000 1.2000 -
Ni 4.0000 4.5000 -
Cr 1.3500 1.6500 -
Mn 0.3000 0.6000 -
Si 0.1700 0.3700 -
C 0.2100 0.2800 -

Mechanical Properties of steel grade 25Cr2Ni4W

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)
116 (≥) 944 (≥) 21 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade 25Cr2Ni4W

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
43 - -     0.44 -  
375 146 - 14.3 443   -  
466 - 41 13.2   441 141

Heat Treatment of steel grade 25Cr2Ni4W

Heat treated : 1362°C - 1217°C

Technological Curves of steel grade 25Cr2Ni4W

Cross Reference Table (Equivalent Grade) of 25Cr2Ni4W

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