aluminum tube:Large section area of are widly used in industrial field.Can be provided as per the exact requirement of user. ... ,F10320GB/T6892GB5237GJB25071xxx,3xxxx,5xxx seriesH112,O,F10320GB/T6892GJB2507TypeAlloyTemperCircumcircle DiametermmStandardMin.Max.industrial profiles1xxx,2xxx5,xxx,6xxx,7xxx seriesH112100530GBn2221xxx,2xxx,5xxx,7xxx seriesO1005302A06 ...