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EU EN 75Ni8 热处理条件下的冷轧窄钢带 - 交货技术条件 - 第4部分:弹簧钢和其它用途 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 75Ni8 / 75 Ni 8
Category Grade Standard Region/Area Standard Content
Metals 75 Ni 8 EN 10132-4 EU 热处理条件下的冷轧窄钢带 - 交货技术条件 - 第4部分:弹簧钢和其它用途

Chemical composition(mass fraction)(wt.%) of the 75 Ni 8

Element Min Max Similar

Mechanical Properties of steel grade 75 Ni 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)
665 (≥) 141 (≥) 14 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade 75 Ni 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
34 - -     0.23 -  
757 764 - 43.3 243   -  
498 - 42 34.2   313 214

Heat Treatment of steel grade 75 Ni 8

Heat treated : 1669°C - 1286°C

Technological Curves of steel grade 75 Ni 8

Cross Reference Table (Equivalent Grade) of 75 Ni 8

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