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China GB CuPb30 Plain bearings-Multilayer materials for thin-walled plain bearings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CuPb30 / CuPb30
Category Grade Standard Region/Area Standard Content
Metals CuPb30 GB/T 18326 China Plain bearings-Multilayer materials for thin-walled plain bearings

Chemical composition(mass fraction)(wt.%) of the CuPb30

Element Min Max Similar
Total Others - 0.5000 -
Sb - 0.2000 -
Ni - 0.5000 -
Fe - 0.7000 -
P - 0.1000 -
Zn - 0.5000 -
Sn - 0.5000 -
Pb 26.0000 33.0000 -
Cu - - -

Mechanical Properties of steel grade CuPb30

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)
161 (≥) 558 (≥) 33 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade CuPb30

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
22 - -     0.11 -  
578 983 - 11.3 241   -  
376 - 21 43.2   331 123

Heat Treatment of steel grade CuPb30

Heat treated : 1685°C - 1216°C

Technological Curves of steel grade CuPb30

Cross Reference Table (Equivalent Grade) of CuPb30

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