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8Cr3NiMoV

China GB 8Cr3NiMoV 工模具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 8Cr3NiMoV / 8Cr3NiMoV
Category Grade Standard Region/Area Standard Content
Metals 8Cr3NiMoV GB/T 1299 China 工模具钢

Chemical composition(mass fraction)(wt.%) of the 8Cr3NiMoV

Element Min Max Similar
Cu - 0.2500 -
V 0.0500 0.1500 -
Ni 0.6000 0.8000 -
Mo 0.2000 0.4000 -
Cr 2.8000 3.2000 -
S - 0.0150 -
P - 0.0200 -
Mn 0.2000 0.4500 -
Si 0.3000 0.5000 -
C 0.8200 0.9000 -

Mechanical Properties of steel grade 8Cr3NiMoV

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)
975 (≥) 674 (≥) 21 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 8Cr3NiMoV

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
22 - -     0.23 -  
561 659 - 14.3 124   -  
339 - 24 31.2   221 232

Heat Treatment of steel grade 8Cr3NiMoV

Heat treated : 1582°C - 1542°C

Technological Curves of steel grade 8Cr3NiMoV

Cross Reference Table (Equivalent Grade) of 8Cr3NiMoV

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