... Institute:Certificate of Authority to use the Official API Monogram. seamless steel pipe API A106-5L 5CtOur products are made of 10 ... T12, 10CrMo910, 12Cr2MoWVTiB (Steel Mortar102), 15CrMo, 35CrMo, 42CrMo, Cr5Mo, 12Cr1moV, 10MoWVNb, 07Cr2AlMo, 09CrMoAl, 09MnD, 09CrCuSb, X20CrMoV121, 13CrMo44, WB36, SA106B, DZ40, DZ50, N80 ...