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Italy UNI CM204E 铜及铜合金 - 中间合金 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CM204E / CM204E
Category Grade Standard Region/Area Standard Content
Metals CM204E UNI EN 1981 Italy 铜及铜合金 - 中间合金

Chemical composition(mass fraction)(wt.%) of the CM204E

Element Min Max Similar

Mechanical Properties of steel grade CM204E

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)
323 (≥) 715 (≥) 24 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade CM204E

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
34 - -     0.22 -  
936 366 - 43.3 231   -  
266 - 41 34.2   141 211

Heat Treatment of steel grade CM204E

Heat treated : 1685°C - 1891°C

Technological Curves of steel grade CM204E

Cross Reference Table (Equivalent Grade) of CM204E

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