ALUMINUM HOLLOW BARS Aluminium hollow bar are vital to the aerospace industry and important in transportation and structures, such as building facades and window frames. We are also a leading supplier of aluminium 2017 round hollow bar, aluminium 6063 rectangular hollow bar, aluminium h9 bronze hollow bar etc.Aluminium Hollow Bar SpecificationDimensions :Â ASTM, ASME, AMSSpecifications :Â ASTM B221, B211, B565, B316, AMS 4121 2014Standard :Â ASTM, ASME, AMS, GB/T, JISSize :Â 1/4
