--- title: "AFNOR steel grades — 1469 designations — Page 27" description: "Steel grades designated under AFNOR, with chemical composition, mechanical properties and equivalents in other standards. 1469 designations across…" canonical: https://steelequivalents.com/materials/afnor/page/27 language: en robots: index, follow og_type: website type: material-standard language_alternates: en: https://steelequivalents.com/materials/afnor/page/27.md cs: https://steelequivalents.com/cs/materiály/afnor.md de: https://steelequivalents.com/de/werkstoffe/afnor.md es: https://steelequivalents.com/es/materiales/afnor.md fr: https://steelequivalents.com/fr/matériaux/afnor.md hu: https://steelequivalents.com/hu/anyagok/afnor.md it: https://steelequivalents.com/it/materiali/afnor.md nl: https://steelequivalents.com/nl/materialen/afnor.md pl: https://steelequivalents.com/pl/materiały/afnor.md pt: https://steelequivalents.com/pt/materiais/afnor.md ru: https://steelequivalents.com/ru/материалы/afnor.md tr: https://steelequivalents.com/tr/malzemeler/afnor.md zh: https://steelequivalents.com/zh/材料/afnor.md ja: https://steelequivalents.com/ja/材料/afnor.md ar: https://steelequivalents.com/ar/المواد/afnor.md ko: https://steelequivalents.com/ko/재료/afnor.md pt-br: https://steelequivalents.com/pt-br/materiais/afnor.md hi: https://steelequivalents.com/hi/सामग्री/afnor.md content_hash: sha256:9c46027876b3f76ab168ff2853fdac18e7c15b71e6478b4d5d73917eb1c57771 generated: 2026-09-26 --- > **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/afnor/page/27 > Canonical URL: https://steelequivalents.com/materials/afnor/page/27 > 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. AFNOR · 1,469 grades # AFNOR steel grades — 1469 designations — Page 27 Every grade designated under AFNOR, 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 indicative cross-reference, not an asserted identity — the grades are close, not interchangeable. 1 of 50 rows differ and carry a “This grade’s own name” mark. ## Also known as 1469 designations | Grade | Material no. | Category | C% by weight | Also in other standards | |---|---|---|---|---| | [Z40CSD10](/materials/afnor/z40csd10 "Z40CSD10") | [1.4731](/materials/material-no/1.4731 "1.4731") | Valve steels | 0.35–0.45 | 12 | | [Z44C14](/materials/afnor/z44c14 "Z44C14") This grade’s own name | [1.4034](/materials/material-no/1.4034 "1.4034") | Stainless steels | 0.43–0.5 | 18 | | [Z44C14](/materials/afnor/z44c14 "Z44C14") | [1.4031](/materials/material-no/1.4031 "1.4031") | Stainless steels | 0.36–0.42 | 18 | | [Z44C14](/materials/afnor/z44c14 "Z44C14") | [1.2083](/materials/material-no/1.2083 "1.2083") | Tool steels for cold work | 0.36–0.42 | 16 | | [Z44C14](/materials/afnor/z44c14 "Z44C14") | [1.4035](/materials/material-no/1.4035 "1.4035") | Others | 0.43–0.5 | 5 | | [Z45CNW18-09](/materials/afnor/z45cnw18-09 "Z45CNW18-09") | [1.4873](/materials/material-no/1.4873 "1.4873") | Valve steels | 0.4–0.5 | 11 | | [Z45CS9](/materials/afnor/z45cs9 "Z45CS9") | [1.4718](/materials/material-no/1.4718 "1.4718") | Valve steels | 0.4–0.5 | 16 | | [Z45CS9](/materials/afnor/z45cs9 "Z45CS9") | [1.4718](/materials/material-no/1.4718 "1.4718") | Others | 0.4–0.5 | 16 | | [Z4CN19-10FF](/materials/afnor/z4cn19-10ff "Z4CN19-10FF") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [Z4CNb17](/materials/afnor/z4cnb17 "Z4CNb17") | [1.4511](/materials/material-no/1.4511 "1.4511") | Stainless steels | ≤ 0.05 | 11 | | [Z4CNb17](/materials/afnor/z4cnb17 "Z4CNb17") | [1.4510](/materials/material-no/1.4510 "1.4510") | Stainless steels | ≤ 0.05 | 14 | | [Z4CND13.4M](/materials/afnor/z4cnd13-4m "Z4CND13.4M") | [1.4313](/materials/material-no/1.4313 "1.4313") | Stainless steels | ≤ 0.05 | 8 | | [Z4CNDNb1812M](/materials/afnor/z4cndnb1812m "Z4CNDNb1812M") | [1.4581](/materials/material-no/1.4581 "1.4581") | Cast stainless steels | ≤ 0.07 | 9 | | [Z4CNNb19.10M](/materials/afnor/z4cnnb19-10m "Z4CNNb19.10M") | [1.4552](/materials/material-no/1.4552 "1.4552") | Cast stainless steels | ≤ 0.07 | 7 | | [Z4CT17](/materials/afnor/z4ct17 "Z4CT17") | [1.4510](/materials/material-no/1.4510 "1.4510") | Stainless steels | ≤ 0.05 | 14 | | [Z4CT17](/materials/afnor/z4ct17 "Z4CT17") | — | — | ≤ 0.08 | 2 | | [Z4CT17](/materials/afnor/z4ct17 "Z4CT17") | [1.4511](/materials/material-no/1.4511 "1.4511") | Stainless steels | ≤ 0.05 | 11 | | [Z5 NC 35-20](/materials/afnor/z5-nc-35-20 "Z5 NC 35-20") | [1.4876](/materials/material-no/1.4876 "1.4876") | Heat resistant steels | ≤ 0.12 | 12 | | [Z50C14](/materials/afnor/z50c14 "Z50C14") | [1.4031](/materials/material-no/1.4031 "1.4031") | Stainless steels | 0.36–0.42 | 18 | | [Z50CD14](/materials/afnor/z50cd14 "Z50CD14") | [1.4116](/materials/material-no/1.4116 "1.4116") | Stainless steels | 0.45–0.55 | 6 | | [Z50CD14](/materials/afnor/z50cd14 "Z50CD14") | [1.4110](/materials/material-no/1.4110 "1.4110") | Stainless steels | 0.48–0.6 | 4 | | [Z50CD15](/materials/afnor/z50cd15 "Z50CD15") | [1.4116](/materials/material-no/1.4116 "1.4116") | Stainless steels | 0.45–0.55 | 6 | | [Z50CD15](/materials/afnor/z50cd15 "Z50CD15") | [1.4110](/materials/material-no/1.4110 "1.4110") | Stainless steels | 0.48–0.6 | 4 | | [Z50CD15CI](/materials/afnor/z50cd15ci "Z50CD15CI") | [1.4116](/materials/material-no/1.4116 "1.4116") | Stainless steels | 0.45–0.55 | 6 | | [Z50CD15CI](/materials/afnor/z50cd15ci "Z50CD15CI") | [1.4110](/materials/material-no/1.4110 "1.4110") | Stainless steels | 0.48–0.6 | 4 | | [Z52CMN21.09](/materials/afnor/z52cmn21-09 "Z52CMN21.09") | [1.4871](/materials/material-no/1.4871 "1.4871") | Valve steels | 0.48–0.58 | 17 | | [Z53CMN21-09Az](/materials/afnor/z53cmn21-09az "Z53CMN21-09Az") | [1.4871](/materials/material-no/1.4871 "1.4871") | Valve steels | 0.48–0.58 | 17 | | [Z53CMNS21-09AZ](/materials/afnor/z53cmns21-09az "Z53CMNS21-09AZ") | [1.4871](/materials/material-no/1.4871 "1.4871") | Valve steels | 0.48–0.58 | 17 | | [Z5CMN21.09](/materials/afnor/z5cmn21-09 "Z5CMN21.09") | [1.4871](/materials/material-no/1.4871 "1.4871") | Valve steels | 0.48–0.58 | 17 | | [Z5CN17-08](/materials/afnor/z5cn17-08 "Z5CN17-08") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [Z5CN18-09](/materials/afnor/z5cn18-09 "Z5CN18-09") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [Z5CN18-10](/materials/afnor/z5cn18-10 "Z5CN18-10") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [Z5CN18-11FF](/materials/afnor/z5cn18-11ff "Z5CN18-11FF") | [1.4303](/materials/material-no/1.4303 "1.4303") | Stainless steels | ≤ 0.06 | 14 | | [Z5CN19-09](/materials/afnor/z5cn19-09 "Z5CN19-09") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [Z5CND27.05.AZ](/materials/afnor/z5cnd27-05-az "Z5CND27.05.AZ") | [1.4460](/materials/material-no/1.4460 "1.4460") | Stainless steels | ≤ 0.05 | 10 | | [Z5CNDU21.08](/materials/afnor/z5cndu21-08 "Z5CNDU21.08") | [1.4462](/materials/material-no/1.4462 "1.4462") | Stainless steels | ≤ 0.03 | 13 | | [Z5NCTDV25-15B](/materials/afnor/z5nctdv25-15b "Z5NCTDV25-15B") | [1.4980](/materials/material-no/1.4980 "1.4980") | High-temperature steels | 0.03–0.08 | 8 | | [Z5NCTDV25-15B](/materials/afnor/z5nctdv25-15b "Z5NCTDV25-15B") | [1.4606](/materials/material-no/1.4606 "1.4606") | Others | ≤ 0.08 | 4 | | [Z5NCTDV26-15B](/materials/afnor/z5nctdv26-15b "Z5NCTDV26-15B") | [1.4980](/materials/material-no/1.4980 "1.4980") | High-temperature steels | 0.03–0.08 | 8 | | [Z6 CNDT 17.12](/materials/afnor/z6-cndt-17-12 "Z6 CNDT 17.12") | [1.4571](/materials/material-no/1.4571 "1.4571") | Stainless steels | ≤ 0.08 | 18 | | [Z6 CNDT 17.12](/materials/afnor/z6-cndt-17-12 "Z6 CNDT 17.12") | [1.4573](/materials/material-no/1.4573 "1.4573") | Cast stainless steels | ≤ 0.04 | 12 | | [Z67CNU15.05](/materials/afnor/z67cnu15-05 "Z67CNU15.05") | [1.4542](/materials/material-no/1.4542 "1.4542") | Stainless steels | ≤ 0.07 | 7 | | [Z6C13](/materials/afnor/z6c13 "Z6C13") | [1.4000](/materials/material-no/1.4000 "1.4000") | Stainless steels | ≤ 0.08 | 16 | | [Z6CA13](/materials/afnor/z6ca13 "Z6CA13") | [1.4002](/materials/material-no/1.4002 "1.4002") | Stainless steels | ≤ 0.08 | 13 | | [Z6CN12-1M](/materials/afnor/z6cn12-1m "Z6CN12-1M") | [1.4107](/materials/material-no/1.4107 "1.4107") | Cast stainless steels | ≤ 0.1 | 4 | | [Z6CN13-04](/materials/afnor/z6cn13-04 "Z6CN13-04") | [1.4313](/materials/material-no/1.4313 "1.4313") | Stainless steels | ≤ 0.05 | 8 | | [Z6CN18-09](/materials/afnor/z6cn18-09 "Z6CN18-09") | [1.4948](/materials/material-no/1.4948 "1.4948") | High-temperature steels | 0.04–0.08 | 8 | | [Z6CN18-09](/materials/afnor/z6cn18-09 "Z6CN18-09") | [1.4300](/materials/material-no/1.4300 "1.4300") | Stainless steels | ≤ 0.12 | 15 | | [Z6CN18-10](/materials/afnor/z6cn18-10 "Z6CN18-10") | [1.4541](/materials/material-no/1.4541 "1.4541") | Stainless steels | ≤ 0.08 | 25 | | [Z6CN18-10M](/materials/afnor/z6cn18-10m "Z6CN18-10M") | [1.4312](/materials/material-no/1.4312 "1.4312") | Cast stainless steels | ≤ 0.12 | 15 | **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/afnor/page/26 "Previous") Page 27 of 30[Next](/materials/afnor/page/28 "Next")