Commodites: API 5 Line Pipe Stanard: API 5CT, API 5L .GB, DIN ,JIS ,Etc Grade : J55,K55,P110,N80,L80 T95.M65.ST52.ST42 Commodites: API 5 Line Pipe or API 5CT oil casing pipeStandard: API 5L,API 5 CT.GB,DIN. JIS ..EctGrade : J55,K55,P110,N80,L80 T95.M65.ST52.ST42.2,ST45.8 .Etc PSL1 :X42,X46,X52,X56,X60,X70 PLS2: X46,x52,x56,x60,x65,x70OD:6mm-720mmW.t: 7MM-60MMLength:R1 R2.R3Type of Threading: STC, ...