ASTM A106 seamless steel pipe 1.size range OD:22-530mm 2.more grades of ... ,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXSUsageStructure Use,water transport,Building,Machinery,Traffic,Aviation,Oil development ect.OD TolleranceD<50mm,+-0 ... ,bundles,Caps , plastic wrap,loading belt ASTM A106 seamless steel pipe