A557/A557M
A557/A557M (Electric-Resistance-Welded Carbon Steel Feedwater Heater Tubes)· ASTM (United States) · 3 materials
| Designation | Material group | |
|---|---|---|
| A 557 Grade A2 | Structural and constructional steels | chevron_right |
| A 557 Grade B2 | Structural and constructional steels | chevron_right |
| A 557 Grade C2 | Structural and constructional steels | chevron_right |