Tubes and pipes of aluminum alloy, of an outside diameter more than 1cm, and of an wall thickness not exceeding 25mm,tensile strength reaches 46 mega-P (.46*19Newton/ m2) or more at 293K (2 degree centigrade)
Tubes and pipes of aluminum alloy, of an outside diameter more than 1cm, and of an wall thickness not exceeding 25mm,tensile strength reaches 46 mega-P (.46*19Newton/ m2) or more at 293K (2 degree centigrade)