--- title: "UNS steel grades — 2038 designations" description: "Steel grades designated under UNS, with chemical composition, mechanical properties and equivalents in other standards. 2038 designations across…" canonical: https://steelequivalents.com/materials/uns language: en robots: index, follow og_type: website type: material-standard language_alternates: en: https://steelequivalents.com/materials/uns.md cs: https://steelequivalents.com/cs/materiály/uns.md de: https://steelequivalents.com/de/werkstoffe/uns.md es: https://steelequivalents.com/es/materiales/uns.md fr: https://steelequivalents.com/fr/matériaux/uns.md hu: https://steelequivalents.com/hu/anyagok/uns.md it: https://steelequivalents.com/it/materiali/uns.md nl: https://steelequivalents.com/nl/materialen/uns.md pl: https://steelequivalents.com/pl/materiały/uns.md pt: https://steelequivalents.com/pt/materiais/uns.md ru: https://steelequivalents.com/ru/материалы/uns.md tr: https://steelequivalents.com/tr/malzemeler/uns.md zh: https://steelequivalents.com/zh/材料/uns.md ja: https://steelequivalents.com/ja/材料/uns.md ar: https://steelequivalents.com/ar/المواد/uns.md ko: https://steelequivalents.com/ko/재료/uns.md pt-br: https://steelequivalents.com/pt-br/materiais/uns.md hi: https://steelequivalents.com/hi/सामग्री/uns.md content_hash: sha256:03082af1199d64131156bfe2e1ed9d15930c5a5e69c85769127a67419295a461 generated: 2026-09-22 --- > **Machine-readable Markdown rendering.** This is a Markdown representation of a web page, > served for AI agents and crawlers as a token-efficient alternative to the full HTML. > Full interactive HTML version: https://steelequivalents.com/materials/uns > Canonical URL: https://steelequivalents.com/materials/uns > Available languages: en, cs, de, es, fr, hu, it, nl, pl, pt, ru, tr, zh, ja, ar, ko, pt-br, hi > Change detection: `content_hash` is the SHA-256 of this document's Markdown body — everything > below this block, whitespace-trimmed, excluding the front-matter. Compare it to detect a real > content change; `generated` moves on every render and is not a change signal. UNS · 2,038 grades # UNS steel grades — 2038 designations 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. 22 of 50 rows differ and carry an “Indicative” mark. ## Also known as 2038 designations | Grade | Material no. | Category | C% by weight | Also in other standards | |---|---|---|---|---| | [2.25Cr1Mo](/materials/astm/2-25cr1mo "2.25Cr1Mo") Indicative | [1.7380](/materials/material-no/1.7380 "1.7380") | Heat-resistant structural steels | 0.08–0.14 | 20 | | [2.25Cr1Mo](/materials/astm/2-25cr1mo "2.25Cr1Mo") Indicative | [1.7383](/materials/material-no/1.7383 "1.7383") | Heat-resistant structural steels | 0.08–0.15 | 9 | | [2.25Cr1Mo](/materials/astm/2-25cr1mo "2.25Cr1Mo") Indicative | [1.7375](/materials/material-no/1.7375 "1.7375") | Heat-resistant structural steels | 0.1–0.15 | 6 | | [2205](/materials/aisi-sae/2205 "2205") Indicative | [1.4462](/materials/material-no/1.4462 "1.4462") | Stainless steels | ≤ 0.03 | 13 | | [4320](/materials/aisi-sae/4320 "4320") Indicative | [1.5919](/materials/material-no/1.5919 "1.5919") | Case hardening steels | 0.12–0.18 | 11 | | [A 182 F60](/materials/uns/a-182-f60 "A 182 F60") Indicative | [1.4462](/materials/material-no/1.4462 "1.4462") | Stainless steels | ≤ 0.03 | 13 | | [A 405 P24](/materials/astm/a-405-p24 "A 405 P24") Indicative | [1.7715](/materials/material-no/1.7715 "1.7715") | Heat-resistant structural steels | 0.1–0.18 | 8 | | [A 485](/materials/aisi-sae/a485 "A 485") Indicative | [1.3520](/materials/material-no/1.3520 "1.3520") | Bearing steels | 0.93–1.05 | 16 | | [A182 F22](/materials/astm/a182-f22 "A182 F22") Indicative | [1.7380](/materials/material-no/1.7380 "1.7380") | Heat-resistant structural steels | 0.08–0.14 | 20 | | [A182 F22](/materials/astm/a182-f22 "A182 F22") Indicative | [1.7383](/materials/material-no/1.7383 "1.7383") | Heat-resistant structural steels | 0.08–0.15 | 9 | | [A182 F22](/materials/astm/a182-f22 "A182 F22") Indicative | [1.7375](/materials/material-no/1.7375 "1.7375") | Heat-resistant structural steels | 0.1–0.15 | 6 | | [A182 T22](/materials/astm/a182-t22 "A182 T22") Indicative | [1.7380](/materials/material-no/1.7380 "1.7380") | Heat-resistant structural steels | 0.08–0.14 | 20 | | [A182 T22](/materials/astm/a182-t22 "A182 T22") Indicative | [1.7383](/materials/material-no/1.7383 "1.7383") | Heat-resistant structural steels | 0.08–0.15 | 9 | | [A182 T22](/materials/astm/a182-t22 "A182 T22") Indicative | [1.7375](/materials/material-no/1.7375 "1.7375") | Heat-resistant structural steels | 0.1–0.15 | 6 | | [American](/materials/uns/american "American") Indicative | — | — | — | 3 | | [AMS 5529/5528](/materials/uns/ams-5529-5528 "AMS 5529/5528") Indicative | [1.4568](/materials/material-no/1.4568 "1.4568") | Stainless steels | ≤ 0.09 | 12 | | [AMS 5644](/materials/uns/ams-5644 "AMS 5644") Indicative | [1.4568](/materials/material-no/1.4568 "1.4568") | Stainless steels | ≤ 0.09 | 12 | | [AMS 5678](/materials/uns/ams-5678 "AMS 5678") Indicative | [1.4568](/materials/material-no/1.4568 "1.4568") | Stainless steels | ≤ 0.09 | 12 | | [AMS 6440](/materials/uns/ams-6440 "AMS 6440") Indicative | [1.3505](/materials/material-no/1.3505 "1.3505") | Bearing steels | 0.93–1.05 | 22 | | [AMS 6440](/materials/uns/ams-6440 "AMS 6440") Indicative | [1.2067](/materials/material-no/1.2067 "1.2067") | Tool steels for cold work | 0.95–1.1 | 21 | | [D50500](/materials/uns/d50500 "D50500") | [1.1165](/materials/material-no/1.1165 "1.1165") | Quenched and tempered steels | 0.25–0.32 | 16 | | [D50600](/materials/uns/d50600 "D50600") | [1.0558](/materials/material-no/1.0558 "1.0558") | Others | — | 5 | | [DUPLEX 2205](/materials/uns/duplex-2205 "DUPLEX 2205") Indicative | [1.4462](/materials/material-no/1.4462 "1.4462") | Stainless steels | ≤ 0.03 | 13 | | [E51100](/materials/aisi-sae/e51100 "E51100") | [1.2057](/materials/material-no/1.2057 "1.2057") | Tool steels for cold work | 1–1.1 | 4 | | [E71400](/materials/aisi-sae/e71400 "E71400") Indicative | [1.8509](/materials/material-no/1.8509 "1.8509") | Nitriding steels | 0.38–0.45 | 16 | | [F11401](/materials/uns/f11401 "F11401") | [EN-JL1020](/materials/material-no/en-jl1020 "EN-JL1020") | Others | — | 22 | | [F11701](/materials/uns/f11701 "F11701") | [EN-JL1020](/materials/material-no/en-jl1020 "EN-JL1020") | Others | — | 22 | | [F12101](/materials/uns/f12101 "F12101") | [EN-JL1030](/materials/material-no/en-jl1030 "EN-JL1030") | Others | — | 22 | | [F12401](/materials/uns/f12401 "F12401") | [EN-JL1040](/materials/material-no/en-jl1040 "EN-JL1040") | Others | — | 22 | | [F1270](/materials/uns/f1270 "F1270") | [1.6582](/materials/material-no/1.6582 "1.6582") | Quenched and tempered steels | 0.3–0.38 | 25 | | [F13101](/materials/uns/f13101 "F13101") | [EN-JL1050](/materials/material-no/en-jl1050 "EN-JL1050") | Others | — | 22 | | [F13501](/materials/uns/f13501 "F13501") | [EN-JL1060](/materials/material-no/en-jl1060 "EN-JL1060") | Others | — | 21 | | [F30000](/materials/uns/f30000 "F30000") | [EN-JS1020](/materials/material-no/en-js1020 "EN-JS1020") | Others | — | 1 | | [F34100](/materials/uns/f34100 "F34100") | [EN-JS1070](/materials/material-no/en-js1070 "EN-JS1070") | Others | — | 2 | | [F41000](/materials/uns/f41000 "F41000") | [EN-JL3011](/materials/material-no/en-jl3011 "EN-JL3011") | Others | — | 1 | | [F41001](/materials/uns/f41001 "F41001") | [0.6656](/materials/material-no/0.6656 "0.6656") | Others | ≤ 3 | 1 | | [F41002](/materials/uns/f41002 "F41002") | [0.6660](/materials/material-no/0.6660 "0.6660") | Others | ≤ 3 | 5 | | [F41003](/materials/uns/f41003 "F41003") | [0.6661](/materials/material-no/0.6661 "0.6661") | Others | ≤ 3 | 1 | | [F41004](/materials/uns/f41004 "F41004") | [0.6676](/materials/material-no/0.6676 "0.6676") | Others | ≤ 2.6 | 1 | | [F41005](/materials/uns/f41005 "F41005") | [0.6680](/materials/material-no/0.6680 "0.6680") | Others | ≤ 2.6 | 1 | | [F43001](/materials/uns/f43001 "F43001") | [0.7661](/materials/material-no/0.7661 "0.7661") | Others | ≤ 3 | 1 | | [F43001](/materials/uns/f43001 "F43001") | [EN-JS3011](/materials/material-no/en-js3011 "EN-JS3011") | Others | ≤ 3 | 5 | | [F43002](/materials/uns/f43002 "F43002") | [EN-JS3041](/materials/material-no/en-js3041 "EN-JS3041") | Others | ≤ 2.9 | 1 | | [F43003](/materials/uns/f43003 "F43003") | [EN-JS3081](/materials/material-no/en-js3081 "EN-JS3081") | Others | ≤ 2.6 | 1 | | [F43004](/materials/uns/f43004 "F43004") | [0.7677](/materials/material-no/0.7677 "0.7677") | Others | ≤ 2.6 | 1 | | [F43005](/materials/uns/f43005 "F43005") | [EN-JS3091](/materials/material-no/en-js3091 "EN-JS3091") | Others | ≤ 2.6 | 1 | | [F43006](/materials/uns/f43006 "F43006") | [EN-JS3051](/materials/material-no/en-js3051 "EN-JS3051") | Others | ≤ 2.4 | 1 | | [F43007](/materials/uns/f43007 "F43007") | [EN-JS3101](/materials/material-no/en-js3101 "EN-JS3101") | Others | ≤ 2.4 | 1 | | [F43010](/materials/uns/f43010 "F43010") | [EN-JS3021](/materials/material-no/en-js3021 "EN-JS3021") | Others | 2.2–2.7 | 1 | | [F43400](/materials/uns/f43400 "F43400") | [EN-JS3011](/materials/material-no/en-js3011 "EN-JS3011") | Others | ≤ 3 | 5 | **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. Page 1 of 41[Next](/materials/uns/page/2 "Next")