|
1. API 5l x52 steel pipe
2. Stardard API5L 3. ASTM we mainly produce carbon seamless steel pipe that diameter from 1/2 inch to 12 inch, wall thickness from 2mm |
|
1. API 5l x52 steel pipe
2. Stardard API5L 3. ASTM we mainly produce carbon seamless steel pipe that diameter from 1/2 inch to 12 inch, wall thickness from 2mm |