- Alloy Steel Pipe/15CrMoG 89*8
- 2017-09-02 05:14
- Model Number: ASTM A220 Key Specifications/Special Features: ASTM A220 grade 1, grade 2, grade3Materials and manufacture:Piles shall be made by the seamless, electric-resistance welded, flash welded or fusion welded process, the seams of welded ...