... OD:60mm-273mm WT:3.5mm-25mm Standard:ASTM,DIN,API,JIS etc... Place of Origin: China Product program and production ... casing Pipe, joint materialJ55,N80,L80,C90,P110850002Oil casing Pipe, joint materialJ55,N80,L80-1,C90,T95,P110,Q125,9Cr,13Cr2100003Line pipeB ... ,35CrMo,40Cr3500010Shipping use of tube320,360,410,4609000 Total 450000 API carbon steel tube