... tube :1) Products:Round pipe,square pipe,flat pipe,special designed pipe2) Grade: 1050,3003,5052,5083,6005,6061,6063,6082 ... extrusion, welding, seamless AlloySiMgFeCuMnZnCrTi10500.250.05<0.40<0.05<0.05<0.05-<0.0330030.6-0.70.05 -0.201.0-1.50.10 ... --50520.252.2-2.80.40.10 ... .15-0.35-50830.44.0-4.90.40.10.4-1.00.250.05-0.250.1560050.6-0.90.4 ...