NB/T 20005.7
NB/T 20005.7 (Carbon steel and low alloy steel for pressurized water reactor nuclear power plants - Part 7: Class 1, 2, 3 plates)· NB (China) · 4 materials
| Designation | Material group | |
|---|---|---|
| Q235HR | Structural and constructional steels | chevron_right |
| Q265HR | Structural and constructional steels | chevron_right |
| Q295HR | Structural and constructional steels | chevron_right |
| Q355HR | Structural and constructional steels | chevron_right |