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CuSn7Pb7Zn3

International ISO CuSn7Pb7Zn3 Cast copper alloys - Composition and mechanical properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CuSn7Pb7Zn3 / CuSn7Pb7Zn3
Category Grade Standard Region/Area Standard Content
Metals CuSn7Pb7Zn3 ISO 1338 International Cast copper alloys - Composition and mechanical properties

Chemical composition(mass fraction)(wt.%) of the CuSn7Pb7Zn3

Element Min Max Similar
Si - - 0.2000
S - - 0.0020
Ni+Co - - -
Mn - - 0.2500
Fe - - 8.0000
Cu - - 0.1000
Cr - - 15.5000
C - - 0.0500

Mechanical Properties of steel grade CuSn7Pb7Zn3

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)
714 (≥) 511 (≥) 44 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade CuSn7Pb7Zn3

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
21 - -     0.12 -  
459 335 - 14.3 112   -  
775 - 41 44.2   342 424

Heat Treatment of steel grade CuSn7Pb7Zn3

Heat treated : 1361°C - 1599°C

Technological Curves of steel grade CuSn7Pb7Zn3

Cross Reference Table (Equivalent Grade) of CuSn7Pb7Zn3

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