... Standard:ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS SCH 40 steel seamless pipe ProductionSteel pipeTypeSeamless and ERWSize1/2" To ... , ASTM,API,DIN, JIS, BS, ISO, GB, SH, AND HG etc MaterialCarbon Steel: ASTM A53/A106,ASTM A179,API 5L ... advanced paymentCertificateAPI, CCS,and ISO9001:2000Productivity200000 ton per yearKeywords: SCH 40 steel seamless pipe,steel pipe,carbon steel seamless pipe SCH ...