6063 aluminum alloy is widely used in architectural aluminum windows and doors, curtain wall framework 
 6063 Chemical composition: 
 Silicon of Si :0.20-0 .6 
 Iron of Fe: 0.35 
 Copper Cu: 0.10 
 Manganese of Mn: 0.10 
 Magnesium of Mg :0.45-0 .9 
 Chromium Cr: 0.10 
 Zinc of Zn: 0.10 
 Titanium of Ti: 0.10 
 Al of Al: margin 
 Other: 
 Single: 0.05 Total: 0.15 

 Mechanical properties: 
 Tensile strength σb (MPa): ≥ 150 
 Elongation the stress σp0.2 (MPa): ≥ 110 
 Elongation δ5 (%): ≥ 7 
 Note: The bar at room temperature longitudinal mechanical properties 
 Sample size: diameter ≤ 12.5 

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