ISO/TR 11637
ISO/TR 11637 (Boron treated engineering steels for quenching and tempering)· ISO (International) · 11 materials
| Designation | Material group | |
|---|---|---|
| 20MnB4 | Structural and constructional steels | chevron_right |
| 20MnB5 | Structural and constructional steels | chevron_right |
| 27MnCrB5-2 | Structural and constructional steels | chevron_right |
| 30MnB5 | Structural and constructional steels | chevron_right |
| 34CrB4 | Structural and constructional steels | chevron_right |
| 34MnCrB5-2 | Structural and constructional steels | chevron_right |
| 35MnB4 | Structural and constructional steels | chevron_right |
| 35MnB5 | Structural and constructional steels | chevron_right |
| 39MnB5 | Structural and constructional steels | chevron_right |
| 40MnCrB4-2 | Structural and constructional steels | chevron_right |
| 45MnCrB4-2 | Structural and constructional steels | chevron_right |