PN steel grades — 635 designations — Page 5
Every grade designated under PN, with the material number it maps to, what kind of steel it is, its carbon window and how many other standards carry it. Open a grade for its full composition, properties and its designations in other standards. Every name on this page is an indicative cross-reference, not an asserted identity: the grades are close, not interchangeable. Check the composition before you substitute.
Also known as
635 designations| Grade | Material no. | Category | C% by weight | Also inother standards |
|---|---|---|---|---|
| 32HN3M | 1.6747 | Quenched and tempered steels | 0.26–0.33 | 6 |
| 33H2NMJ | 1.8550 | Nitriding steels | 0.3–0.37 | 3 |
| 33H2NMJ | 1.2891 | Nitriding steels | 0.35 | 1 |
| 33H3MF | 1.8519 | Nitriding steels | 0.27–0.34 | 5 |
| 33H3MF | 1.7707 | Quenched and tempered steels | 0.26–0.34 | 8 |
| 34HN3M | 1.6773 | Quenched and tempered steels | 0.32–0.39 | 5 |
| 34HN3M | 1.6747 | Quenched and tempered steels | 0.26–0.33 | 6 |
| 34HNM | 1.6582 | Quenched and tempered steels | 0.3–0.38 | 25 |
| 34HNM | 1.6562 | Quenched and tempered steels | 0.37–0.44 | 10 |
| 34HNM | 1.6944 | Special steels for aviation and aerospace | 0.35–0.4 | 2 |
| 34HNMA | 1.6582 | Quenched and tempered steels | 0.3–0.38 | 25 |
| 35 | 1.1180 | Quenched and tempered steels | 0.32–0.39 | 11 |
| 35 | 1.0501 | Quenched and tempered steels | 0.32–0.39 | 23 |
| 35 | 1.1181 | Quenched and tempered steels | 0.32–0.39 | 20 |
| 35HM | 1.7220 | Quenched and tempered steels | 0.3–0.37 | 24 |
| 35HM | 1.2330 | Others | 0.32–0.37 | 8 |
| 35HMA | 1.7220 | Quenched and tempered steels | 0.3–0.37 | 24 |
| 35SG | 1.5122 | Quenched and tempered steels | 0.33–0.41 | 6 |
| 36HNM | 1.6511 | Quenched and tempered steels | 0.32–0.4 | 18 |
| 36HNM | 1.6773 | Quenched and tempered steels | 0.32–0.39 | 5 |
| 36HNM | 1.6747 | Quenched and tempered steels | 0.26–0.33 | 6 |
| 37HGNM | 1.6546 | Quenched and tempered steels | 0.37–0.44 | 14 |
| 37HN3A | 1.5755 | Quenched and tempered steels | 0.27–0.35 | 9 |
| 38HA | 1.7034 | Quenched and tempered steels | 0.34–0.41 | 23 |
| 38HA | 1.7043 | Steels for surface hardening | 0.34–0.4 | 3 |
| 38HA | 1.7035 | Quenched and tempered steels | 0.38–0.45 | 18 |
| 38HMJ | 1.8509 | Nitriding steels | 0.38–0.45 | 16 |
| 38HMJ | 1.8507 | Nitriding steels | 0.3–0.37 | 8 |
| 38HNM | 1.6510 | Others | 0.35–0.43 | 7 |
| 3H13 | 1.4028 | Stainless steels | 0.26–0.35 | 18 |
| 3H13 | 1.4029 | Stainless steels | 0.25–0.32 | 10 |
| 3H14 | 1.4028 | Stainless steels | 0.26–0.35 | 18 |
| 3H14 | 1.4029 | Stainless steels | 0.25–0.32 | 10 |
| 3H17M | 1.4122 | Stainless steels | 0.33–0.45 | 5 |
| 3H17M | 1.4122 | Stainless steels | 0.33–0.43 | 5 |
| 3H17M | 1.2316 | Tool steels for cold work | 0.33–0.45 | 4 |
| 40 | 1.0511 | Quenched and tempered steels | 0.37–0.44 | 21 |
| 40 | 1.1186 | Quenched and tempered steels | 0.37–0.44 | 16 |
| 40A | 1.0511 | Quenched and tempered steels | 0.37–0.44 | 21 |
| 40H | 1.7034 | Quenched and tempered steels | 0.34–0.41 | 23 |
| 40H | 1.7035 | Quenched and tempered steels | 0.38–0.45 | 18 |
| 40H | 1.7043 | Steels for surface hardening | 0.34–0.4 | 3 |
| 40HA | 1.7034 | Quenched and tempered steels | 0.34–0.41 | 23 |
| 40HA | 1.7043 | Steels for surface hardening | 0.34–0.4 | 3 |
| 40HA | 1.7035 | Quenched and tempered steels | 0.38–0.45 | 18 |
| 40HM | 1.7225 | Quenched and tempered steels | 0.38–0.45 | 25 |
| 40HM | 1.7227 | Quenched and tempered steels | 0.38–0.45 | 15 |
| 40HNMA | 1.6511 | Quenched and tempered steels | 0.32–0.4 | 18 |
| 40HNMA | 1.6565 | Quenched and tempered steels | 0.35–0.45 | 15 |
| 40HNMA | 1.6562 | Quenched and tempered steels | 0.37–0.44 | 10 |
This grade’s own name — recorded in our sources as this grade’s own designation under that standard.
Indicative — taken from a published cross-reference table; a close match, not a guarantee of interchangeability. Verify against the mill certificate before ordering.
Withdrawn — designation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.






