1. No dirt, no nodules, corrosion resistance
2 can be welded
3 can be flanged
4 can be grooved connection
5. High temperature resistance, can deliver hot water, boiling water, steam
6. Low temperature brittleness, small expansion coefficient
7. Resistant to weak acid corrosion
8. The inner wall is smooth and the fluid flow resistance is small
9. Good health performance, can deliver clean water
10. The outer coating is reliable
11. Low prices