1. OD:15-1800MM 2.Thickness:2mm-80mm 3. Certificate: ISO,API 5L,API SPEC 5L. 4. Material: X42-X60 ST44 ST4 1. OD:15-1800MM2.Thickness:2mm-80mm 3. Certificate: ISO,API 5L,API SPEC 5L. 4. Material: X42-X60 ST44 ST4carbon steel pipe price per ton specifications StandardAPI 5CT, 5L; ASTM, BS, JIS, DINSteel GradeAPI 5L Grade B/ASTM A106/A53B, BS 1387O.D.1/2"--48"W.T. SCH10--XXSLength1m--12mEnd ...