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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)
739 (≥) 699 (≥) 24 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

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
13 - -     0.42 -  
846 134 - 33.3 312   -  
449 - 44 31.2   242 123

Heat Treatment of steel grade 90 MV 8

Heat treated : 1479°C - 1651°C

Technological Curves of steel grade 90 MV 8

Cross Reference Table (Equivalent Grade) of 90 MV 8

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