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X82WMoCrV6-5-4

France AFNOR NF X82WMoCrV6-5-4 Iron and steel. Steels for bearings. Types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X82WMoCrV6-5-4 / X82WMoCrV6-5-4
Category Grade Standard Region/Area Standard Content
Metals X82WMoCrV6-5-4 NF A35-565 France Iron and steel. Steels for bearings. Types

Chemical composition(mass fraction)(wt.%) of the X82WMoCrV6-5-4

Element Min Max Similar
W 6.0000 6.7000 -
V 1.7000 2.0000 -
Si - 0.4000 -
S - 0.0150 -
P - 0.0300 -
Mo 4.7000 5.2000 -
Mn - 0.4000 -
Cr 3.8000 4.5000 -
C 0.7800 0.8600 -

Mechanical Properties of steel grade X82WMoCrV6-5-4

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)
775 (≥) 316 (≥) 23 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade X82WMoCrV6-5-4

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
13 - -     0.21 -  
424 899 - 22.3 243   -  
249 - 22 41.2   323 444

Heat Treatment of steel grade X82WMoCrV6-5-4

Heat treated : 1276°C - 1896°C

Technological Curves of steel grade X82WMoCrV6-5-4

Cross Reference Table (Equivalent Grade) of X82WMoCrV6-5-4

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