深圳大口徑合金鋁管250*25現貨鋁管規格4毫米,
1xxx係:1100,1050,1060,1070
3xxx係:3003,3103
5xxx係:5052,5059,5086
6xxx係:6063,6061
外徑:4-90mm 壁厚:0.5-5mm