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Au70CuAgPtNi

China GB Au70CuAgPtNi 贵金属及其合金复合带材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Au70CuAgPtNi / Au70CuAgPtNi
Category Grade Standard Region/Area Standard Content
Metals Au70CuAgPtNi GB China 贵金属及其合金复合带材

Chemical composition(mass fraction)(wt.%) of the Au70CuAgPtNi

Element Min Max Similar
Au - - -
Ag 9.5000 10.5000 -
Pt 4.5000 5.5000 -
Cu 13.5000 14.5000 -
Ni 0.8000 1.2000 -
Fe - 0.2000 -
Pb - 0.0050 -
Sb - 0.0050 -
Bi - 0.0050 -
Total Others - 0.3500 -

Mechanical Properties of steel grade Au70CuAgPtNi

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)
846 (≥) 851 (≥) 23 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade Au70CuAgPtNi

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
12 - -     0.34 -  
716 336 - 41.3 413   -  
829 - 14 44.2   322 433

Heat Treatment of steel grade Au70CuAgPtNi

Heat treated : 1691°C - 1914°C

Technological Curves of steel grade Au70CuAgPtNi

Cross Reference Table (Equivalent Grade) of Au70CuAgPtNi

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