NMX-B-219
NMX-B-219 (Electric welded tubes, carbon molybdenum steel alloy for boilers and superheater)· NMX (Mexico) · 3 materials
| Designation | Material group | |
|---|---|---|
| Grade T-1 | Structural and constructional steels | chevron_right |
| Grade T1a | Structural and constructional steels | chevron_right |
| Grade T1b | Structural and constructional steels | chevron_right |