NF A 49-643
NF A 49-643 (Steel tubes. Round, square and rectangular steel tubes for ordinary uses, longitudinally pressure welded and cold formed from flat products. Dimensions. Technical delivery conditions)· AFNOR NF (France) · 9 materials
| Designation | Material group | |
|---|---|---|
| TS 30 1 | Structural and constructional steels | chevron_right |
| TS 30 2 | Structural and constructional steels | chevron_right |
| TS 335 D | Structural and constructional steels | chevron_right |
| TS 34 2 | Structural and constructional steels | chevron_right |
| TS 37 2 | Structural and constructional steels | chevron_right |
| TS 390 D | Structural and constructional steels | chevron_right |
| TS 42 2 | Structural and constructional steels | chevron_right |
| TS 445 D | Structural and constructional steels | chevron_right |
| TS 47 2 | Structural and constructional steels | chevron_right |