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Aluminum
7XXX Aluminum Grade
Bars
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Name
Cold Finished Flat Bar
Thermal Treatment
T-6, T–651, T–7351
Standard
AMS-QQ-A-225/9, ASTM B211,
Description
Used for aircraft and security applications, forms, machines, equipment and devices.
Properties
Suitable for chip removing process (machining). Very high strength. Can be bended and rolled.
Chemical Composition
Zn: 5.1%–6.1%; Fe: 0.5% max; Ti: 0.2% max; Cr: 0.18%–0.28%; Mg: 2.1%–2.9%. Mn: 0.3% max; Cu: 1.2%–2.0%; Si: 0.4% max and the rest is Aluminium.
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