NF A 49-240
NF A 49-240 (Steel tube longitudinally buttwelding plain end for pressure vessels and pipe systems used at low temperatures. Dimensions. Technical conditions of delivery)· AFNOR NF (France) · 3 materials
| Designation | Material group | |
|---|---|---|
| TS 10 N 9 | Structural and constructional steels | chevron_right |
| TS 17 N 2 | Structural and constructional steels | chevron_right |
| TS 42 BT | Structural and constructional steels | chevron_right |