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77.5Cu-22.5Ni

America SAE 77.5Cu-22.5Ni Copper-Nickel Alloy Wire and Ribbon 77.5Cu - 22.5Ni and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 77.5Cu-22.5Ni / 77.5Cu-22.5Ni
Category Grade Standard Region/Area Standard Content
Metals 77.5Cu-22.5Ni SAE AMS 4732D America Copper-Nickel Alloy Wire and Ribbon 77.5Cu - 22.5Ni

Chemical composition(mass fraction)(wt.%) of the 77.5Cu-22.5Ni

Element Min Max Similar
Ti - 0.0500 -
S - 0.0080 -
Ni 21.5000 23.5000 -
Mn - 0.3500 -
Cu - - -

Mechanical Properties of steel grade 77.5Cu-22.5Ni

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)
366 (≥) 885 (≥) 12 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 77.5Cu-22.5Ni

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
43 - -     0.12 -  
891 497 - 34.3 134   -  
894 - 32 42.2   412 312

Heat Treatment of steel grade 77.5Cu-22.5Ni

Heat treated : 1788°C - 1794°C

Technological Curves of steel grade 77.5Cu-22.5Ni

Cross Reference Table (Equivalent Grade) of 77.5Cu-22.5Ni

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