--- title: "ÖNORM steel grades — 169 designations — Page 4" description: "Steel grades designated under ÖNORM, with chemical composition, mechanical properties and equivalents in other standards. 169 designations across…" canonical: https://steelequivalents.com/materials/onorm/page/4 language: en robots: index, follow og_type: website type: material-standard language_alternates: en: https://steelequivalents.com/materials/onorm/page/4.md cs: https://steelequivalents.com/cs/materiály/onorm.md de: https://steelequivalents.com/de/werkstoffe/onorm.md es: https://steelequivalents.com/es/materiales/onorm.md fr: https://steelequivalents.com/fr/matériaux/onorm.md hu: https://steelequivalents.com/hu/anyagok/onorm.md it: https://steelequivalents.com/it/materiali/onorm.md nl: https://steelequivalents.com/nl/materialen/onorm.md pl: https://steelequivalents.com/pl/materiały/onorm.md pt: https://steelequivalents.com/pt/materiais/onorm.md ru: https://steelequivalents.com/ru/материалы/onorm.md tr: https://steelequivalents.com/tr/malzemeler/onorm.md zh: https://steelequivalents.com/zh/材料/onorm.md ja: https://steelequivalents.com/ja/材料/onorm.md ar: https://steelequivalents.com/ar/المواد/onorm.md ko: https://steelequivalents.com/ko/재료/onorm.md pt-br: https://steelequivalents.com/pt-br/materiais/onorm.md hi: https://steelequivalents.com/hi/सामग्री/onorm.md content_hash: sha256:ad3011b5990617451fbb0622f9e205e78e0fd220e7ac77373b6769e767aa3fe6 generated: 2026-09-24 --- > **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/onorm/page/4 > Canonical URL: https://steelequivalents.com/materials/onorm/page/4 > 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. ÖNORM · 169 grades # ÖNORM steel grades — 169 designations — Page 4 Every grade designated under ÖNORM, 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 169 designations | Grade | Material no. | Category | C% by weight | Also in other standards | |---|---|---|---|---| | [UC6](/materials/onorm/uc6 "UC6") | [1.0314](/materials/material-no/1.0314 "1.0314") | Unalloyed structural steels | ≤ 0.03 | 14 | | [W100](/materials/onorm/w100 "W100") | [1.2581](/materials/material-no/1.2581 "1.2581") | Tool steels for hot work | 0.25–0.35 | 18 | | [W300](/materials/onorm/w300 "W300") | [1.2343](/materials/material-no/1.2343 "1.2343") | Tool steels for hot work | 0.33–0.41 | 20 | | [W302](/materials/onorm/w302 "W302") | [1.2344](/materials/material-no/1.2344 "1.2344") | Tool steels for hot work | 0.35–0.42 | 20 | | [W320](/materials/onorm/w320 "W320") | [1.2365](/materials/material-no/1.2365 "1.2365") | Tool steels for hot work | 0.28–0.35 | 18 | | [W501](/materials/onorm/w501 "W501") | [1.2714](/materials/material-no/1.2714 "1.2714") | Tool steels for hot work | 0.5–0.6 | 15 | | [W502](/materials/onorm/w502 "W502") | [1.2711](/materials/material-no/1.2711 "1.2711") | Tool steels for cold work | 0.5–0.6 | 16 | | [W502](/materials/onorm/w502 "W502") | [1.2714](/materials/material-no/1.2714 "1.2714") | Tool steels for hot work | 0.5–0.6 | 15 | | [X2CrNi19-11KKW](/materials/onorm/x2crni19-11kkw "X2CrNi19-11KKW") | [1.4306](/materials/material-no/1.4306 "1.4306") | Stainless steels | ≤ 0.03 | 18 | | [X2CrNiMo17-13-2KKW](/materials/onorm/x2crnimo17-13-2kkw "X2CrNiMo17-13-2KKW") | [1.4404](/materials/material-no/1.4404 "1.4404") | Stainless steels | ≤ 0.03 | 25 | | [X2CrNiMo18-14-3KW](/materials/onorm/x2crnimo18-14-3kw "X2CrNiMo18-14-3KW") | [1.4404](/materials/material-no/1.4404 "1.4404") | Stainless steels | ≤ 0.03 | 25 | | [X5CrNi18-10OS](/materials/onorm/x5crni18-10os "X5CrNi18-10OS") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [X5CrNi18-10S](/materials/onorm/x5crni18-10s "X5CrNi18-10S") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [X5CrNiMo17-12-2KW](/materials/onorm/x5crnimo17-12-2kw "X5CrNiMo17-12-2KW") | [1.4401](/materials/material-no/1.4401 "1.4401") | Stainless steels | ≤ 0.07 | 20 | | [X5CrNiMo17-13-3KW](/materials/onorm/x5crnimo17-13-3kw "X5CrNiMo17-13-3KW") | [1.4436](/materials/material-no/1.4436 "1.4436") | Stainless steels | ≤ 0.05 | 19 | | [X6CrNiMoi17-17-122S](/materials/onorm/x6crnimoi17-17-122s "X6CrNiMoi17-17-122S") | [1.4571](/materials/material-no/1.4571 "1.4571") | Stainless steels | ≤ 0.08 | 18 | | [X6CrNiMoTi17-12-2S](/materials/din-en/x6crnimoti17-12-2s "X6CrNiMoTi17-12-2S") | [1.4571](/materials/material-no/1.4571 "1.4571") | Stainless steels | ≤ 0.08 | 18 | | [X6CrNiTi18-10KKW](/materials/onorm/x6crniti18-10kkw "X6CrNiTi18-10KKW") | [1.4541](/materials/material-no/1.4541 "1.4541") | Stainless steels | ≤ 0.08 | 25 | | [X6CrNiTi18-10S](/materials/din-en/x6crniti18-10s "X6CrNiTi18-10S") | [1.4541](/materials/material-no/1.4541 "1.4541") | Stainless steels | ≤ 0.08 | 25 | **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. [Previous](/materials/onorm/page/3 "Previous") Page 4 of 4