NF A 49-341
NF A 49-341 (Steel tubes. Precision welded tubes for mechanical application. Dimensions. Technical delivery conditions)· AFNOR NF (France) · 6 materials
| Designation | Material group | |
|---|---|---|
| TS 30 0 | Structural and constructional steels | chevron_right |
| TS 30 a | Structural and constructional steels | chevron_right |
| TS 34 a | Structural and constructional steels | chevron_right |
| TS 37 a | Structural and constructional steels | chevron_right |
| TS 42 a | Structural and constructional steels | chevron_right |
| TS 47 a | Structural and constructional steels | chevron_right |