1. Stanard: ASTM-A210
2. Steel Grade: A1, C
3. Sizes (O. D. X W. T): From 13.7mm -- 219.1mm x 1.5mm to 28mm
4. Surface: Oiled or black painted to prevent rust
5. Marking: As per customer's requirement
6. Certification: API, ISO
7. Technic process: Hot rolled and cold drawn
8. Standard and unstandard specification is welcomed
9. Brand Name: New Sinda