... steel pipe OD:13mm-1020mm Thickness:2.0-60mm Material:20#, ASTMS53,ASTMA106,API 5L Gr.B Length:5.8m-12m ... Specification StandardAPI 5CT, 5L; ASTM, BS, JIS, DINSteel GradeAPI 5L Grade B/ASTM A106B, BS 1387O.D ... bundles by steel stripsDeliveryby containerThird party inspectionSGS/BVCertificatesAPI 5CT-0865, 5L-0593, ISO9001:2000Production CapacityThree mills with full production capacity, ...