UNS steel grades — 2038 designations — Page 18
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. 2 of 50 rows differ and carry an “Indicative” mark.
Also known as
2038 designations| Grade | Material no. | Category | C% by weight | Also inother standards |
|---|---|---|---|---|
| K03008 | 1.1101 | Others | ≤ 0.17 | 1 |
| K03009 | 1.0437 | Others | ≤ 0.2 | 8 |
| K03009 | 1.0562 | Fine-grain structural steels | ≤ 0.18 | 18 |
| K03011 | 1.0570 | Unalloyed structural steels | ≤ 0.2 | 22 |
| K03013 | 1.0255 | Unalloyed structural steels | ≤ 0.16 | 1 |
| K03013 | 1.0257 | Unalloyed structural steels | ≤ 0.2 | 1 |
| K03013 | 1.0421 | Unalloyed structural steels | ≤ 0.22 | 2 |
| K03013 | 1.5217 | Case hardening steels | 0.16–0.22 | 2 |
| K03014 | 1.0570 | Unalloyed structural steels | ≤ 0.2 | 22 |
| K03101 | 1.0445 | Higher strength steels | — | 12 |
| K03101 | 1.0481 | Heat-resistant structural steels | 0.08–0.2 | 17 |
| K03101 | 1.0482 | Heat-resistant structural steels | 0.17–0.22 | 3 |
| K03101 | 1.9440 | Others | ≤ 0.31 | 1 |
| K03102 | 1.0445 | Higher strength steels | — | 12 |
| K03102 | 1.0481 | Heat-resistant structural steels | 0.08–0.2 | 17 |
| K03102 | 1.0482 | Heat-resistant structural steels | 0.17–0.22 | 3 |
| K03103 | 1.0473 | Heat-resistant structural steels | 0.1–0.22 | 10 |
| K03300 | 1.0473 | Heat-resistant structural steels | 0.1–0.22 | 10 |
| K03300 | 1.0482 | Heat-resistant structural steels | 0.17–0.22 | 3 |
| K03300 | 1.0485 | Heat-resistant structural steels | ≤ 0.23 | 1 |
| K03300 | 1.0562 | Fine-grain structural steels | ≤ 0.18 | 18 |
| K03301 | 1.0566 | Fine-grain structural steels | ≤ 0.18 | 11 |
| K03501 | 1.0481 | Heat-resistant structural steels | 0.08–0.2 | 17 |
| K03502 | 1.0432 | Others | 0.18–0.23 | 3 |
| K03504 | 1.0432 | Others | 0.18–0.23 | 3 |
| K03504 Indicative | 1.0460 | Heat-resistant structural steels | 0.18–0.23 | 4 |
| K03504 Indicative | 1.9443 | Heat-resistant structural steels | ≤ 0.35 | 1 |
| K03506 | 1.0352 | Fine-grain structural steels | 0.08–0.2 | 1 |
| K06501 | 1.8154 | Special steels for aviation and aerospace | 0.47–0.55 | 3 |
| K06701 | 1.1250 | Others | 0.6–0.7 | 2 |
| K07001 | 1.1230 | Others | 0.6–0.7 | 2 |
| K08501 | 1.1291 | Others | 0.95–0.99 | 2 |
| K10940 | 1.6222 | Others | 0.06–0.12 | 1 |
| K11040 | 1.6222 | Others | 0.06–0.12 | 1 |
| K11060 | 1.6312 | Others | 0.08–0.12 | 1 |
| K11072 | 1.7345 | Others | 0.06–0.12 | 1 |
| K11122 | 1.5425 | Heat-resistant structural steels | 0.09–0.14 | 1 |
| K11123 | 1.5425 | Heat-resistant structural steels | 0.09–0.14 | 1 |
| K11160 | 1.6312 | Others | 0.08–0.12 | 1 |
| K11172 | 1.7345 | Others | 0.06–0.12 | 1 |
| K11222 | 1.5425 | Heat-resistant structural steels | 0.09–0.14 | 1 |
| K11224 | 1.5425 | Heat-resistant structural steels | 0.09–0.14 | 1 |
| K11323 | 1.5427 | Heat-resistant structural steels | 0.09–0.14 | 1 |
| K11423 | 1.5427 | Heat-resistant structural steels | 0.09–0.14 | 1 |
| K11424 | 1.5426 | Heat-resistant structural steels | 0.09–0.14 | 1 |
| K11430 | 1.8959 | Weathering steels | ≤ 0.16 | 10 |
| K11430 | 1.8962 | Weathering steels | ≤ 0.12 | 2 |
| K11430 | 1.8963 | Weathering steels | ≤ 0.16 | 9 |
| K11430 | 1.8965 | Weathering steels | ≤ 0.16 | 3 |
| K11510 | 1.8946 | Weathering steels | ≤ 0.12 | 4 |
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.