NBR 5593
NBR 5593 (Seamless carbon steel-molybdenum tubes, for superheaters and boilers)· NBR (Brazil) · 3 materials
| Designation | Material group | |
|---|---|---|
| T - 1 | Structural and constructional steels | chevron_right |
| T - 1a | Structural and constructional steels | chevron_right |
| T - 1b | Structural and constructional steels | chevron_right |