1. Mainly Steel Grade: ASTM A53-A/B, A106-A/B, API 5L-B, X42, X52, ST42.2, ST52, STB340 And so on
2. Size: 2"-20" (60.3-508mm)
3. Thickness: 2-60 mm(SCH5s-SCH160 XXS)
4. Tolerance:As the specification you need.
Painting, caps, bundle, container.