What is the difference between aircraft grade aluminum and normal aluminum?
googled "aircraft grade" doesn't refer specific aluminium alloy rather higher strength alloys used in aircraft manufacture. grade designations 6061 come american society testing , materials (astm) , tell things alloy composition, manufacture method, , if , how has been tempered e.g. t5. high strength aluminium alloyed silicon, strong need temper soaking @ given temperature period of time. suspect certifications referred above mean governing body e.g. faa has certified particular astm grade of aluminium manufactured approved foundries. Science & Mathematics Chemistry Next