... Technique:Hot Rolled or Cold Rolled Size:1/2"-24" API 5L GR.B pipeMaterial:1. CARBON STEEL: Astm a 53/106 ... / API 5LA/B,ST37,ST35.82. Standard: Seamless – ASTM A106, API 5L, ... , X65, X70, X80, PSL 1,2.High temp grade: A, B, C. Low temp grade: 1, 3, 4, 6, 7, ... some other international standard and grade.3. SIZE: 1/2”-24”4. Length: We can make it as customers' required5. ...