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China GB C18661 加工铜及铜合金牌号和化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C18661 / C18661
Category Grade Standard Region/Area Standard Content
Metals C18661 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 C18661

Element Min Max Similar
Sn - 0.2000 -
P 0.0010 0.0200 -
Others total - 0.8000 -
Mg 0.1000 0.7000 -
Fe - 0.1000 -
Cu - - -

Mechanical Properties of steel grade C18661

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)
719 (≥) 452 (≥) 23 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade C18661

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
21 - -     0.42 -  
185 717 - 23.3 444   -  
416 - 41 13.2   313 214

Heat Treatment of steel grade C18661

Heat treated : 1861°C - 1751°C

Technological Curves of steel grade C18661

Cross Reference Table (Equivalent Grade) of C18661

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