... ,ASTM,Q235,Q345,10#,45#,12CrMo, ,ST37 ,16Mn,Cr5Mo,15CrMoOD1/4''-24'',13mm-610mmWTSCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXSUsagePetroleum ... hot rolled,273mm above hot expandPacking6 steel strip, bundles, Caps, Plastic wrap, loading belt, or as customer's requestAdvantagehigh wear-resisting ...