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C 1220 CB

Japan JIS C1220CB 铜坯和铜锭 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C1220CB / C 1220 CB
Category Grade Standard Region/Area Standard Content
Metals C 1220 CB JIS H2123 Japan 铜坯和铜锭

Chemical composition(mass fraction)(wt.%) of the C 1220 CB

Element Min Max Similar
P 0.0150 0.0400 -
Cu 99.9000 - -

Mechanical Properties of steel grade C 1220 CB

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)
213 (≥) 284 (≥) 14 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade C 1220 CB

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
31 - -     0.22 -  
786 682 - 34.3 421   -  
131 - 11 13.2   241 434

Heat Treatment of steel grade C 1220 CB

Heat treated : 1326°C - 1128°C

Technological Curves of steel grade C 1220 CB

Cross Reference Table (Equivalent Grade) of C 1220 CB

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