NB/T 20006.13
NB/T 20006.13 (Alloy steel for pressurized water reactor nuclear power plants - Part 13: Alloy steel forgings for reactor coolant pump motor shaft assembles)· NB (China) · 3 materials
| Designation | Material group | |
|---|---|---|
| 20Cr2Mn2Mo | Structural and constructional steels | chevron_right |
| 25CrNi2Mo | Structural and constructional steels | chevron_right |
| 30Mn | Structural and constructional steels | chevron_right |