... ,SCH100,SCH120,SCH160,XXS StandardASTMA106 GRB /API5LGRB/ASTMA53GRBMaterialGRB 20# STEELOD1/4"-24",13mm-610mmWTSCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXSUsageBoiler ... rolled,273mm above hot expandPacking6 steel strip,bundles,Caps , plastic wrap,loading beltMin OrderMore quantity price very low hot rolled carbon steel pipe