A638/A638M
A638/A638M (Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service)· ASTM (United States) · 3 materials
| Designation | Material group | |
|---|---|---|
| A 638 Grade 660 Type 1 | Stainless steels | chevron_right |
| A 638 Grade 660 Type 2 | Stainless steels | chevron_right |
| A 638 Grade 662 | Stainless steels | chevron_right |