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China YB ZQPb12-8 宝钢二高炉设备制造通用技术条件 铜、铝合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZQPb12-8 / ZQPb12-8
Category Grade Standard Region/Area Standard Content
Metals ZQPb12-8 YB 3220.3 China 宝钢二高炉设备制造通用技术条件 铜、铝合金铸件

Chemical composition(mass fraction)(wt.%) of the ZQPb12-8

Element Min Max Similar
Cu - - -
Pb 11.0000 13.0000 -
Sn 7.0000 9.0000 -

Mechanical Properties of steel grade ZQPb12-8

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)
412 (≥) 727 (≥) 43 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade ZQPb12-8

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 - -     0.21 -  
637 267 - 11.3 132   -  
521 - 13 42.2   332 134

Heat Treatment of steel grade ZQPb12-8

Heat treated : 1822°C - 1587°C

Technological Curves of steel grade ZQPb12-8

Cross Reference Table (Equivalent Grade) of ZQPb12-8

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