oil tubing 1.hot-rolled pipe 2.OD:60.32-114mm, WT:4.83-12 ... enclosed. We can manufacture various kinds of seamless steel pipe: API 5CT casing pipe and oil tubing, API 5L line pipe, ordinary pipe for ... OD(mm)WT(Ib/ft)GRADETHK(mm)END60.32(2 3/8")4.70H,J,L,P4.83NU , EU5.80C ... ,P6.45EU7.35C,L8.53EU7.45L,P8.53EU73.02(2 7/8")6.40H,C,N,L,P5.51NU6.50H,C ... 00H,J,C,N,L6.65EU114.30(4 1/2")12.60H,J,L,N,C,T12.75NU12.75H ...