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X-Au91NiCu

China GJB X-Au91NiCu 贵金属及其合金丝、线、棒材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X-Au91NiCu / X-Au91NiCu
Category Grade Standard Region/Area Standard Content
Metals X-Au91NiCu GJB 947A China 贵金属及其合金丝、线、棒材规范

Chemical composition(mass fraction)(wt.%) of the X-Au91NiCu

Element Min Max Similar
Au 90.5000 91.5000 -
Cu 1.0000 2.0000 -
Ni 7.0000 8.0000 -
Fe - 0.0500 -
Pb - 0.0050 -
Sb - 0.0050 -
Bi - 0.0050 -
Total Others - 0.2000 -
Au 90.0000 92.0000 -
Cu 1.0000 2.0000 -
Ni 7.0000 8.0000 -
Fe - 0.0500 -
Pb - 0.0050 -
Sb - 0.0050 -
Bi - 0.0050 -
Total Others - 0.2000 -

Mechanical Properties of steel grade X-Au91NiCu

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)
933 (≥) 112 (≥) 14 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade X-Au91NiCu

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 - -     0.11 -  
693 323 - 31.3 214   -  
983 - 24 42.2   232 333

Heat Treatment of steel grade X-Au91NiCu

Heat treated : 1257°C - 1613°C

Technological Curves of steel grade X-Au91NiCu

Cross Reference Table (Equivalent Grade) of X-Au91NiCu

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