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France AFNOR NF 90MV8 工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 90MV8 / 90 MV 8
Category Grade Standard Region/Area Standard Content
Metals 90 MV 8 NF A35-590 France 工具钢

Chemical composition(mass fraction)(wt.%) of the 90 MV 8

Element Min Max Similar

Mechanical Properties of steel grade 90 MV 8

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)
525 (≥) 876 (≥) 43 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade 90 MV 8

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
21 - -     0.22 -  
837 175 - 43.3 233   -  
959 - 34 41.2   422 214

Heat Treatment of steel grade 90 MV 8

Heat treated : 1894°C - 1937°C

Technological Curves of steel grade 90 MV 8

Cross Reference Table (Equivalent Grade) of 90 MV 8

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