NF A 49-220
NF A 49-220 (Steel tubes. Grooved seamless steel tubes for use at high temperature. Dimensions. Technical delivery conditions)· AFNOR NF (France) · 9 materials
| Designation | Material group | |
|---|---|---|
| TU 10 CD 5-05 | Structural and constructional steels | chevron_right |
| TU 10 CD 9-10 | Structural and constructional steels | chevron_right |
| TU 13 CD 4-04 | Structural and constructional steels | chevron_right |
| TU 15 CD 2-05 | Structural and constructional steels | chevron_right |
| TU 15 D 3 | Structural and constructional steels | chevron_right |
| TU 37 C | Structural and constructional steels | chevron_right |
| TU 42 C | Structural and constructional steels | chevron_right |
| TU 48 C | Structural and constructional steels | chevron_right |
| TU 52 C | Structural and constructional steels | chevron_right |