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England B.S. CW400J Copper and copper alloys. Rod for free machining purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CW400J / CW400J
Category Grade Standard Region/Area Standard Content
Metals CW400J BS EN 12164 England Copper and copper alloys. Rod for free machining purposes

Chemical composition(mass fraction)(wt.%) of the CW400J

Element Min Max Similar
Zn - - -
Total Others - 0.2000 -
Sn - 0.2000 -
Pb 2.3000 3.3000 -
Ni 6.0000 8.0000 -
Mn 1.5000 3.0000 -
Fe - 0.3000 -
Cu 47.0000 50.0000 -
Zn - - -
Total Others - 0.2000 -
Sn - 0.2000 -
Pb 2.3000 3.3000 -
Ni 6.0000 8.0000 -
Mn 1.5000 3.0000 -
Fe - 0.3000 -
Cu 47.0000 50.0000 -
Zn - - -
Total Others - 0.2000 -
Sn - 0.2000 -
Pb 2.3000 3.3000 -
Ni 6.0000 8.0000 -
Mn 1.5000 3.0000 -
Fe - 0.3000 -
Cu 47.0000 50.0000 -

Mechanical Properties of steel grade CW400J

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)
598 (≥) 568 (≥) 22 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade CW400J

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
32 - -     0.42 -  
613 674 - 33.3 232   -  
629 - 33 11.2   412 424

Heat Treatment of steel grade CW400J

Heat treated : 1722°C - 1138°C

Technological Curves of steel grade CW400J

Cross Reference Table (Equivalent Grade) of CW400J

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