... End-Finish:STC,LTC,BTCOperative Standard:API Spec 5CTGrade:J55,K55,M65,N80-1,N80Q,L80-1,L80-9Cr, L80-13Cr,C90,C95 ... ,K55,M65,N80-1,N80Q,L80-1,L80-9Cr, L80-13Cr,C90,C95,T95,P110USAGE:oil exploitation,Offshore Oil Field API 5CT Oil Casing Pipe Outer ... DiameterweightGradeThreadLength inmmkg/mlb/ft 4 1/2"114.314.14 ...