... :2~11.8m 4) Material: sheet metal square tube steel 1.size:10*10mm-600*600mm2.thickness:0.5mm- ... making, tread , or as customers’ requestsProcessing technologyThreading ,coupling and with plastic caps protectedPackageBe packed in bundles, in loose or ... seaworthy packing , wrapped with steel strip or at sellers optionUsageConstruction, bridge, highway, machinery, and so onThird party inspectionSGS,BV, ...