NBR 6591
NBR 6591 (Welded carbon steel tubes with round, square, rectangular, and special sections, for industrial use)· NBR (Brazil) · 9 materials
| Designation | Material group | |
|---|---|---|
| 1006 | Structural and constructional steels | chevron_right |
| 1008 | Structural and constructional steels | chevron_right |
| 1010 | Structural and constructional steels | chevron_right |
| 1015 | Structural and constructional steels | chevron_right |
| 1016 | Structural and constructional steels | chevron_right |
| 1020 | Structural and constructional steels | chevron_right |
| 1021 | Structural and constructional steels | chevron_right |
| 1025 | Structural and constructional steels | chevron_right |
| 1026 | Structural and constructional steels | chevron_right |