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China YB ZQAl9-4 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: ZQAl9-4 / ZQAl9-4
Category Grade Standard Region/Area Standard Content
Metals ZQAl9-4 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 ZQAl9-4

Element Min Max Similar
Cu - - -
Fe 2.0000 4.0000 -
Al 8.0000 10.0000 -

Mechanical Properties of steel grade ZQAl9-4

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)
944 (≥) 149 (≥) 13 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade ZQAl9-4

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 - -     0.11 -  
388 416 - 41.3 121   -  
811 - 11 21.2   442 241

Heat Treatment of steel grade ZQAl9-4

Heat treated : 1793°C - 1426°C

Technological Curves of steel grade ZQAl9-4

Cross Reference Table (Equivalent Grade) of ZQAl9-4

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