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81 MoCrV 42 16

Germany DIN 81MoCrV4216 Ball and Roller Bearing Steels; Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 81MoCrV4216 / 81 MoCrV 42 16
Category Grade Standard Region/Area Standard Content
Metals 81 MoCrV 42 16 DIN 17230 Germany Ball and Roller Bearing Steels; Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the 81 MoCrV 42 16

Element Min Max Similar

Mechanical Properties of steel grade 81 MoCrV 42 16

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)
493 (≥) 756 (≥) 13 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade 81 MoCrV 42 16

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 - -     0.32 -  
577 983 - 21.3 321   -  
775 - 41 41.2   343 222

Heat Treatment of steel grade 81 MoCrV 42 16

Heat treated : 1524°C - 1793°C

Technological Curves of steel grade 81 MoCrV 42 16

Cross Reference Table (Equivalent Grade) of 81 MoCrV 42 16

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