ISO 9330-4
ISO 9330-4 (Welded steel tubes for pressure purposes - Technical delivery conditions - Part 4: Submerged arc-welded unalloyed and alloyed steel tubes with specified elevated temperature properties)· ISO (International) · 7 materials
| Designation | Material group | |
|---|---|---|
| 11 CrMo 9-10 | Structural and constructional steels | chevron_right |
| 13CrMo4-5 | Structural and constructional steels | chevron_right |
| 16Mo3 | Structural and constructional steels | chevron_right |
| PH 23 | Structural and constructional steels | chevron_right |
| PH 26 | Structural and constructional steels | chevron_right |
| PH 29 | Structural and constructional steels | chevron_right |
| PH 35 | Structural and constructional steels | chevron_right |