NF EN 2221
NF EN 2221 (Aerospace series - Steel FE-PL31 - Hardened and tempered - Hollow bars - 3,5 mm ≤ a ≤ 55 mm)· AFNOR NF (France) · 1 materials
| Designation | Material group | |
|---|---|---|
| FE-PL31 | Structural and constructional steels | chevron_right |
NF EN 2221 (Aerospace series - Steel FE-PL31 - Hardened and tempered - Hollow bars - 3,5 mm ≤ a ≤ 55 mm)· AFNOR NF (France) · 1 materials
| Designation | Material group | |
|---|---|---|
| FE-PL31 | Structural and constructional steels | chevron_right |