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ZQPb17-4-4

China YB ZQPb17-4-4 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: ZQPb17-4-4 / ZQPb17-4-4
Category Grade Standard Region/Area Standard Content
Metals ZQPb17-4-4 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 ZQPb17-4-4

Element Min Max Similar
Cu - - -
Pb 14.0000 20.0000 -
Zn 2.0000 6.0000 -
Sn 3.5000 5.0000 -

Mechanical Properties of steel grade ZQPb17-4-4

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)
359 (≥) 314 (≥) 21 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade ZQPb17-4-4

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
33 - -     0.24 -  
334 269 - 21.3 421   -  
799 - 21 12.2   132 342

Heat Treatment of steel grade ZQPb17-4-4

Heat treated : 1783°C - 1485°C

Technological Curves of steel grade ZQPb17-4-4

Cross Reference Table (Equivalent Grade) of ZQPb17-4-4

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