NF A 49-241
NF A 49-241 (Steel tubes longitudinally pressure welded tubes in non alloyed steel grades for fluid piping up to 425 degrees Celsius. Diameters from 21, 3 mm to 168, 3 mm. Dimensions. Technical delivery conditions)· AFNOR NF (France) · 8 materials
| Designation | Material group | |
|---|---|---|
| TS E 220 | Structural and constructional steels | chevron_right |
| TS E 220 B | Structural and constructional steels | chevron_right |
| TS E 250 | Structural and constructional steels | chevron_right |
| TS E 250 B | Structural and constructional steels | chevron_right |
| TS E 275 | Structural and constructional steels | chevron_right |
| TS E 275 B | Structural and constructional steels | chevron_right |
| TS E 355 | Structural and constructional steels | chevron_right |
| TS E 355 B | Structural and constructional steels | chevron_right |