1TechniqueSeamless, cold rolled, hot rolled , cold drawn 2UsageTransport liquid, gas, oil etc, and applicable to boiler and construction. 3StandardApi5l, astm a106, din1629, jis3454 4CertificationIso9001 5GradeApigrb, a106b, st37, st52, stpg370, stpg410 6Outer diameter1-30 inch (33.4-762mm) 7Wall thickness0.133-2.5inch(3.38-63.5mm) 8LengthRandom length, fixed length, srl, drl 9The third party inspectionSgs, bv 10Moq1mt 11Surface treatmentBlack painting, bare pipe, oiled, hot dip galvanized 12EndBeveled end, plain end meet your need 13Delivery conditionBks, nbk, bk, bkw, gbk(+a), nbk(+n), bk(+c) 14Package1.Big diameter:in loose 152.Small diameter:packaged in bundles with strips 163.As per clients' requirement 17PaymentTt lc 18Delivery time20days after received the deposit