7178 Aluminium Alloy
7178 aluminum alloy is wrought alloy. It has high zinc Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodi ... content. After annealing, aluminum alloy 7178 has high machinability. Resistance welding can be used. Chemical composition The chemical composition of Aluminium / Aluminum 7178 alloy is outlined in the following table. It is difficult to cold work. Forming is hard to use for this alloy. It has high machinability. Properties Designations Aluminium alloy 7178 alloy can be designated as: # ASTM B209 # ASTM B221 # ASTM B241 # ASTM B316 # QQ A-200/13 # QQ A-200/14 # QQ A-250/14 # QQ A-250/21 # QQ A-250/28 # QQ A-430 # SAE J454 Advantages # High corrosion resistance # High tensile strength # Excellent polish # High machine strength # High creep resistance # High temperatur ...
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