... ft)GRADETHK(mm)END60.32(2 3/8")4.70H,J,L,P4.83NU , EU5.80C,N,L,P6. ... .02(2 7/8")6.40H,C,N,L,P5.51NU6.50H,C,N,L,P5.51EU7.80C,N, ... 1/2")9.20H,J,C,N,L,P6.45NU9.30H,J,C,N,L,P6.45EU10.20H,J,C,N,L7.34NU12.70C ... J,C,N,L5.74NU11.00H,J,C,N,L6.65EU114.30(4 1/2")12.60H,J,L,N,C,T12.75NU12.75H,J,L,N,C ... ,T12.75EUShandong Jialong Petroleum Pipe Manufacture Co.,LtdContact: Richard ...