Seamless steel pipe details: 1: GB, ISO , API certificate. 2: ... 60° 90° 180°SurfaceAccording to your requirementTypesElbow,reducer,tee,flange,steel pipe,bend,steelbar..EndBeveled or square cut plastic capedPackingIn ... 12.2m) No.Steel typeSteel gradeannual output/t1Oil casing Pipe, joint materialJ55,K55,N80-11000002Oil line pipeB,X42~X60 ... use of tube320,4101000Total200000 carbon seamless steel pipe