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Japan JIS CAC912 铜及铜合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CAC912 / CAC912
Category Grade Standard Region/Area Standard Content
Metals CAC912 JIS H5120 Japan 铜及铜合金铸件

Chemical composition(mass fraction)(wt.%) of the CAC912

Element Min Max Similar
P 0.1000 0.2500 -
Si - 0.0100 -
Ni 0.2000 1.0000 -
Se 0.1000 0.5000 -
Cu 83.3000 90.4000 -
Al - 0.0100 -
Zn 5.0000 9.0000 -
Sn 2.5000 5.5000 -
Sb - 0.2000 -
Fe - 0.3000 -
Bi 0.8000 1.5000 -
Pb - 0.2500 -

Mechanical Properties of steel grade CAC912

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)
969 (≥) 677 (≥) 31 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade CAC912

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
32 - -     0.43 -  
916 291 - 24.3 214   -  
217 - 23 42.2   433 113

Heat Treatment of steel grade CAC912

Heat treated : 1668°C - 1273°C

Technological Curves of steel grade CAC912

Cross Reference Table (Equivalent Grade) of CAC912

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