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Grade Cu 3

England Lloyds GradeCu3 Castings for propellers and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GradeCu3 / Grade Cu 3
Category Grade Standard Region/Area Standard Content
Metals Grade Cu 3 -- England Castings for propellers

Chemical composition(mass fraction)(wt.%) of the Grade Cu 3

Element Min Max Similar
Mn 0.5000 4.0000 -
Al 7.0000 11.0000 -
Fe 2.0000 6.0000 -
Ni 3.0000 6.0000 -
Pb - 0.0300 -
Zn - 1.0000 -
Sn - 0.1000 -
Cu 77.0000 82.0000 -
Zn - 1.0000 -
Sn - 0.1000 -
Pb - 0.0300 -
Ni 3.0000 6.0000 -
Mn 0.5000 4.0000 -
Fe 2.0000 6.0000 -
Cu 77.0000 82.0000 -
Al 7.0000 11.0000 -

Mechanical Properties of steel grade Grade Cu 3

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)
416 (≥) 637 (≥) 24 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade Grade Cu 3

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
24 - -     0.13 -  
493 283 - 43.3 134   -  
186 - 22 23.2   143 444

Heat Treatment of steel grade Grade Cu 3

Heat treated : 1976°C - 1887°C

Technological Curves of steel grade Grade Cu 3

Cross Reference Table (Equivalent Grade) of Grade Cu 3

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