NF A 49-900
NF A 49-900 (Pressure vessels. Seamless steel gas vessels. Types of steels. Semi finished products)· AFNOR NF (France) · 8 materials
| Designation | Material group | |
|---|---|---|
| P 235 B | Structural and constructional steels | chevron_right |
| P 525 B | Structural and constructional steels | chevron_right |
| P 550 B | Structural and constructional steels | chevron_right |
| P 685 B | Structural and constructional steels | chevron_right |
| P 700 B | Structural and constructional steels | chevron_right |
| P 750 B | Structural and constructional steels | chevron_right |
| P 890 B | Structural and constructional steels | chevron_right |
| P 920 B | Structural and constructional steels | chevron_right |