Steel Pipe 1.OD:1/2''-48'' 2.WT: SCH10-SCH160 ... .Material:API5L X42,X46,X52,X56,X60,X65,X70 Type steel pipeSize1/2-48inch (diameter)Wall thicknessSCH10 - SCH160 , XXS ... and high-temperature resistant with black painting.3,all the production process are made under the ISO9001-2000 strictly 1. ... { 'aImgSrc': aBigImageSrc } ); } )(); API5L X42,X46,X52,X56,X60,X65,X70 steel pipe/oil and gas line pipe