UNS steel grades — 2038 designations — Page 33
Every grade designated under UNS, 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. Unless marked, every name here is an asserted identity — the same grade under this standard’s own designation. 24 of 50 rows differ and carry an “Indicative” mark.
Also known as
2038 designations| Grade | Material no. | Category | C% by weight | Also inother standards |
|---|---|---|---|---|
| S30453 | 1.4311 | Stainless steels | ≤ 0.03 | 13 |
| S30453 Indicative | 1.4301 | Stainless steels | ≤ 0.07 | 23 |
| S30453 Indicative | 1.4306 | Stainless steels | ≤ 0.03 | 18 |
| S30453 Indicative | 1.4307 | Stainless steels | ≤ 0.03 | 14 |
| S30453 Indicative | 1.4305 | Stainless steels | ≤ 0.1 | 17 |
| S30453 Indicative | 1.4303 | Stainless steels | ≤ 0.06 | 14 |
| S30480 | 1.4948 | High-temperature steels | 0.04–0.08 | 8 |
| S30500 Indicative | 1.4303 | Stainless steels | ≤ 0.06 | 14 |
| S30500 Indicative | 1.4314 | Special steels for aviation and aerospace | ≤ 0.07 | 4 |
| S30500 Indicative | 1.4884 | Others | ≤ 0.08 | 5 |
| S30500 Indicative | 1.4301 | Stainless steels | ≤ 0.07 | 23 |
| S30500 Indicative | 1.4306 | Stainless steels | ≤ 0.03 | 18 |
| S30500 Indicative | 1.4307 | Stainless steels | ≤ 0.03 | 14 |
| S30500 Indicative | 1.4305 | Stainless steels | ≤ 0.1 | 17 |
| S30500 Indicative | 1.4311 | Stainless steels | ≤ 0.03 | 13 |
| S30600 | 1.4361 | Stainless steels | ≤ 0.015 | 7 |
| S30800 | 1.4303 | Stainless steels | ≤ 0.06 | 14 |
| S30815 | 1.4835 | Heat resistant steels | 0.05–0.12 | 5 |
| S30815 | 1.4893 | Heat resistant steels | ≤ 0.1 | 2 |
| S30882 | 1.4403 | Others | ≤ 0.05 | 2 |
| S30883 | 1.4316 | Stainless steels | ≤ 0.02 | 5 |
| S30886 | 1.4403 | Others | ≤ 0.05 | 2 |
| S30888 Indicative | 1.4302 | Others | ≤ 0.05 | 1 |
| S30888 Indicative | 1.4331 | Others | ≤ 0.025 | 1 |
| S30900 Indicative | 1.4828 | Heat resistant steels | ≤ 0.2 | 20 |
| S30900 Indicative | 1.4833 | Heat resistant steels | ≤ 0.15 | 15 |
| S30908 | 1.4833 | Heat resistant steels | ≤ 0.15 | 15 |
| S30908 | 1.4950 | Heat resistant steels | 0.04–0.08 | 7 |
| S30909 | 1.4950 | Heat resistant steels | 0.04–0.08 | 7 |
| S30980 | 1.4829 | Others | ≤ 0.14 | 8 |
| S30981 | 1.4829 | Others | ≤ 0.14 | 8 |
| S30983 | 1.4332 | Others | ≤ 0.02 | 1 |
| S31000 | 1.4841 | Heat resistant steels | ≤ 0.2 | 17 |
| S31000 Indicative | 1.4843 | Resistance heating alloys | ≤ 0.2 | 9 |
| S31000 Indicative | 1.2782 | Tool steels for hot work | ≤ 0.2 | 6 |
| S31002 | 1.4335 | Stainless steels | ≤ 0.02 | 9 |
| S31008 Indicative | 1.4335 | Stainless steels | ≤ 0.02 | 9 |
| S31008 | 1.4845 | Heat resistant steels | ≤ 0.1 | 21 |
| S31008 Indicative | 1.4951 | Heat resistant steels | 0.04–0.08 | 8 |
| S31008 Indicative | 1.4843 | Resistance heating alloys | ≤ 0.2 | 9 |
| S31009 | 1.4951 | Heat resistant steels | 0.04–0.08 | 8 |
| S31042 | 1.4952 | Others | ≤ 0.1 | 1 |
| S31050 | 1.4465 | Stainless steels | ≤ 0.02 | 2 |
| S31050 | 1.4466 | Stainless steels | ≤ 0.02 | 6 |
| S31080 | 1.4842 | Others | ≤ 0.14 | 14 |
| S31200 | 1.4460 | Stainless steels | ≤ 0.05 | 10 |
| S31250 Indicative | 1.4547 | Stainless steels | ≤ 0.02 | 7 |
| S31254 | 1.4547 | Stainless steels | ≤ 0.02 | 7 |
| S31254 Indicative | 1.4557 | Others | ≤ 0.025 | 3 |
| S31260 | 1.4460 | Stainless steels | ≤ 0.05 | 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.






