cold forming square pipe: 1) Thickness:0.5-60mm 2) Outer ... 3) L:2~11.8m 4) Material:Q195,Q cold forming square pipe 1.size:10*10mm-600*600mm2.thickness:0 ... , wrapped with steel strip or at sellers optionUsageConstruction, bridge, highway, machinery, and so onThird party inspectionSGS,BV, Lloyds etcMOQ5mtPaymentT/T,L ... machine,Mechanics testing machine to make sure high quality. cold forming square pipe