SUPPLIED FORM OF 6063 scrapRound TubeRectangular TubeSquare TubeFlat Bar Round BarHexagon BarSquare BarHollow BarPlateRodTee sectionChannel Angle ( Equal and Unequal)Square Box section Rectangular Box sectionAluminium. 98. 8. Si. .45. mg. .45. Fe. .168 cu. .023. mn .023. Zi . 023