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China GB 3Cr2W8V 合金工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 3Cr2W8V / 3Cr2W8V
Category Grade Standard Region/Area Standard Content
Metals 3Cr2W8V GB/T 1299 China 合金工具钢

Chemical composition(mass fraction)(wt.%) of the 3Cr2W8V

Element Min Max Similar
S - 0.0200 -
P - 0.0250 -
V 0.2000 0.5000 -
W 7.5000 9.0000 -
Cu - 0.2500 -
Ni - 0.2500 -
Cr 2.2000 2.7000 -
Mn - 0.4000 -
Si - 0.4000 -
C 0.3000 0.4000 -

Mechanical Properties of steel grade 3Cr2W8V

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)
782 (≥) 292 (≥) 34 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 3Cr2W8V

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
41 - -     0.24 -  
681 556 - 44.3 214   -  
523 - 43 32.2   234 111

Heat Treatment of steel grade 3Cr2W8V

Heat treated : 1787°C - 1553°C

Technological Curves of steel grade 3Cr2W8V

Cross Reference Table (Equivalent Grade) of 3Cr2W8V

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