... /ft)GRADETHK(mm)END60.32(2 3/8")4.70H,J,L,P4.83NU , EU5.80C,N,L,P6.45NU5.95L ... .95L,P9.52EU101.60(4")9.50H,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 ... inspected & tested meticulously to ensure that it meets the desired international quality standards. API 5CT spec j55,k55,n80,l80 seamless ...