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Korea KS C1921 铜及铜合金薄板,板材和条带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C1921 / C 1921
Category Grade Standard Region/Area Standard Content
Metals C 1921 KS D 5201 Korea 铜及铜合金薄板,板材和条带

Chemical composition(mass fraction)(wt.%) of the C 1921

Element Min Max Similar
Zn 0.0500 0.2000 -
Pb - 0.0300 -
P 0.0150 0.1500 -
Other - 0.2000 -
Fe 2.1000 2.6000 -
Cu - - -

Mechanical Properties of steel grade C 1921

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)
151 (≥) 561 (≥) 41 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade C 1921

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 - -     0.23 -  
561 667 - 12.3 434   -  
195 - 24 41.2   323 311

Heat Treatment of steel grade C 1921

Heat treated : 1691°C - 1148°C

Technological Curves of steel grade C 1921

Cross Reference Table (Equivalent Grade) of C 1921

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