NB/T 20005.9
NB/T 20005.9 (Carbon steel and low alloy steel for pressurized water reactor nuclear power plants - Part 9: Seamless steel pipes for class 2, 3 piping)· NB (China) · 2 materials
| Designation | Material group | |
|---|---|---|
| 16Mn | Structural and constructional steels | chevron_right |
| 20 | Structural and constructional steels | chevron_right |