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China GB C79860 加工铜及铜合金牌号和化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C79860 / C79860
Category Grade Standard Region/Area Standard Content
Metals C79860 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 C79860

Element Min Max Similar
Zn - - -
Sn - 0.1000 -
Si - 0.0600 -
Pb 1.3000 1.8000 -
P - 0.0050 -
Others Total - 0.5600 -
Ni + Co 11.8000 12.7000 -
Mn 5.6000 6.4000 -
Fe - 0.2000 -
Cu 42.3000 43.7000 -

Mechanical Properties of steel grade C79860

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)
135 (≥) 883 (≥) 13 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade C79860

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
24 - -     0.12 -  
347 465 - 41.3 142   -  
725 - 43 21.2   324 411

Heat Treatment of steel grade C79860

Heat treated : 1834°C - 1299°C

Technological Curves of steel grade C79860

Cross Reference Table (Equivalent Grade) of C79860

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