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Mg-Al9Zn Castings

International ISO Mg-Al9ZnCastings Magnesium-aluminium-zinc alloy ingots and alloy castings - Chemical composition and mechanical properties of sand cast reference test bars and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals Mg-Al9Zn Castings ISO 121 International Magnesium-aluminium-zinc alloy ingots and alloy castings - Chemical composition and mechanical properties of sand cast reference test bars

Chemical composition(mass fraction)(wt.%) of the Mg-Al9Zn Castings

Element Min Max Similar
Zn 0.3000 0.8000 -
Si - 0.2000 -
Ni - 0.0100 -
Mn 0.2000 0.6000 -
Mg - - -
Fe - 0.0300 -
Cu - 0.1500 -
Al 8.3000 9.8000 -

Mechanical Properties of steel grade Mg-Al9Zn Castings

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)
463 (≥) 134 (≥) 43 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade Mg-Al9Zn Castings

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
41 - -     0.42 -  
293 921 - 13.3 442   -  
157 - 13 31.2   232 142

Heat Treatment of steel grade Mg-Al9Zn Castings

Heat treated : 1297°C - 1448°C

Technological Curves of steel grade Mg-Al9Zn Castings

Cross Reference Table (Equivalent Grade) of Mg-Al9Zn Castings

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