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Au74.48CuNiZnMn

China YS Au74.48CuNiZnMn 贵金属及其合金板、带材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Au74.48CuNiZnMn / Au74.48CuNiZnMn
Category Grade Standard Region/Area Standard Content
Metals Au74.48CuNiZnMn YS/T 201 China 贵金属及其合金板、带材

Chemical composition(mass fraction)(wt.%) of the Au74.48CuNiZnMn

Element Min Max Similar
Total Others - 0.3000 -
Bi - 0.0050 -
Sb - 0.0050 -
Pb - 0.0050 -
Fe - 0.2000 -
Mn - - 0.0200
Zn - - 1.0000
Ni - - 2.5000
Cu - - 22.0000
Au - - -

Mechanical Properties of steel grade Au74.48CuNiZnMn

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)
337 (≥) 976 (≥) 42 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade Au74.48CuNiZnMn

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 - -     0.14 -  
976 155 - 14.3 331   -  
956 - 32 12.2   242 231

Heat Treatment of steel grade Au74.48CuNiZnMn

Heat treated : 1289°C - 1387°C

Technological Curves of steel grade Au74.48CuNiZnMn

Cross Reference Table (Equivalent Grade) of Au74.48CuNiZnMn

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