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China GB C64700 加工铜及铜合金牌号和化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C64700 / C64700
Category Grade Standard Region/Area Standard Content
Metals C64700 GB/T 5231 China 加工铜及铜合金牌号和化学成分

Chemical composition(mass fraction)(wt.%) of the C64700

Element Min Max Similar
Zn - 0.5000 -
Si 0.4000 0.8000 -
Pb - 0.0900 -
Others total - 1.2000 -
Ni + Co 1.6000 2.2000 -
Fe - 0.1000 -
Cu - - -

Mechanical Properties of steel grade C64700

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)
848 (≥) 864 (≥) 44 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade C64700

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
33 - -     0.32 -  
711 917 - 23.3 141   -  
676 - 33 12.2   344 214

Heat Treatment of steel grade C64700

Heat treated : 1819°C - 1144°C

Technological Curves of steel grade C64700

Cross Reference Table (Equivalent Grade) of C64700

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