--- title: "UNE steel grades — 760 designations — Page 4" description: "Steel grades designated under UNE, with chemical composition, mechanical properties and equivalents in other standards. 760 designations across…" canonical: https://steelequivalents.com/materials/une/page/4 language: en robots: index, follow og_type: website type: material-standard language_alternates: en: https://steelequivalents.com/materials/une/page/4.md cs: https://steelequivalents.com/cs/materiály/une.md de: https://steelequivalents.com/de/werkstoffe/une.md es: https://steelequivalents.com/es/materiales/une.md fr: https://steelequivalents.com/fr/matériaux/une.md hu: https://steelequivalents.com/hu/anyagok/une.md it: https://steelequivalents.com/it/materiali/une.md nl: https://steelequivalents.com/nl/materialen/une.md pl: https://steelequivalents.com/pl/materiały/une.md pt: https://steelequivalents.com/pt/materiais/une.md ru: https://steelequivalents.com/ru/материалы/une.md tr: https://steelequivalents.com/tr/malzemeler/une.md zh: https://steelequivalents.com/zh/材料/une.md ja: https://steelequivalents.com/ja/材料/une.md ar: https://steelequivalents.com/ar/المواد/une.md ko: https://steelequivalents.com/ko/재료/une.md pt-br: https://steelequivalents.com/pt-br/materiais/une.md hi: https://steelequivalents.com/hi/सामग्री/une.md content_hash: sha256:f0ccbdc0f464a580dc86471736454323a14f99a47b200edf47ea00e717f83a0a 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/une/page/4 > Canonical URL: https://steelequivalents.com/materials/une/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. UNE · 760 grades # UNE steel grades — 760 designations — Page 4 Every grade designated under UNE, 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 760 designations | Grade | Material no. | Category | C% by weight | Also in other standards | |---|---|---|---|---| | [AE235B](/materials/une/ae235b "AE235B") | [1.0036](/materials/material-no/1.0036 "1.0036") | Unalloyed structural steels | ≤ 0.17 | 20 | | [AE235B](/materials/une/ae235b "AE235B") | [1.0036](/materials/material-no/1.0036 "1.0036") | Unalloyed structural steels | ≤ 0.17 | 19 | | [AE235B](/materials/une/ae235b "AE235B") | [1.0028](/materials/material-no/1.0028 "1.0028") | Unalloyed structural steels | ≤ 0.15 | 18 | | [AE235B-FN](/materials/une/ae235b-fn "AE235B-FN") | [1.0038](/materials/material-no/1.0038 "1.0038") | Unalloyed structural steels | ≤ 0.17 | 26 | | [AE235B-FU](/materials/une/ae235b-fu "AE235B-FU") | [1.0028](/materials/material-no/1.0028 "1.0028") | Unalloyed structural steels | ≤ 0.15 | 18 | | [AE235BFU](/materials/une/ae235b-fu "AE235BFU") | [1.0038](/materials/material-no/1.0038 "1.0038") | Unalloyed structural steels | ≤ 0.17 | 26 | | [AE235C](/materials/une/ae235c "AE235C") | [1.0114](/materials/material-no/1.0114 "1.0114") | Unalloyed structural steels | ≤ 0.17 | 21 | | [AE235C](/materials/une/ae235c "AE235C") | [1.0112](/materials/material-no/1.0112 "1.0112") | Unalloyed structural steels | ≤ 0.16 | 5 | | [AE235D](/materials/une/ae235d "AE235D") | [1.0038](/materials/material-no/1.0038 "1.0038") | Unalloyed structural steels | ≤ 0.17 | 26 | | [AE235D](/materials/une/ae235d "AE235D") | [1.0036](/materials/material-no/1.0036 "1.0036") | Unalloyed structural steels | ≤ 0.17 | 20 | | [AE235D](/materials/une/ae235d "AE235D") | [1.0036](/materials/material-no/1.0036 "1.0036") | Unalloyed structural steels | ≤ 0.17 | 19 | | [AE235D](/materials/une/ae235d "AE235D") | [1.0028](/materials/material-no/1.0028 "1.0028") | Unalloyed structural steels | ≤ 0.15 | 18 | | [AE235KR](/materials/une/ae235kr "AE235KR") | [1.0111](/materials/material-no/1.0111 "1.0111") | Unalloyed structural steels | ≤ 0.16 | 5 | | [AE255B](/materials/une/ae255b "AE255B") | [1.0044](/materials/material-no/1.0044 "1.0044") | Unalloyed structural steels | ≤ 0.21 | 26 | | [AE255C](/materials/une/ae255c "AE255C") | [1.0143](/materials/material-no/1.0143 "1.0143") | Unalloyed structural steels | ≤ 0.18 | 16 | | [AE265KR](/materials/une/ae265kr "AE265KR") | [1.0423](/materials/material-no/1.0423 "1.0423") | Heat-resistant structural steels | ≤ 0.19 | 6 | | [AE275B](/materials/une/ae275b "AE275B") | [1.0044](/materials/material-no/1.0044 "1.0044") | Unalloyed structural steels | ≤ 0.21 | 26 | | [AE275C](/materials/une/ae275c "AE275C") | [1.0143](/materials/material-no/1.0143 "1.0143") | Unalloyed structural steels | ≤ 0.18 | 16 | | [AE275D](/materials/une/ae275d "AE275D") | [1.0144](/materials/material-no/1.0144 "1.0144") | Unalloyed structural steels | ≤ 0.18 | 22 | | [AE275D](/materials/une/ae275d "AE275D") | [1.0044](/materials/material-no/1.0044 "1.0044") | Unalloyed structural steels | ≤ 0.21 | 26 | | [AE275HC](/materials/une/ae275hc "AE275HC") | [1.0972](/materials/material-no/1.0972 "1.0972") | Fine-grain steels for cold forming | ≤ 0.12 | 6 | | [AE345KR](/materials/une/ae345kr "AE345KR") | [1.0437](/materials/material-no/1.0437 "1.0437") | Others | ≤ 0.2 | 8 | | [AE355B](/materials/une/ae355b "AE355B") | [1.0045](/materials/material-no/1.0045 "1.0045") | Unalloyed structural steels | ≤ 0.24 | 17 | | [AE355C](/materials/une/ae355c "AE355C") | [1.0553](/materials/material-no/1.0553 "1.0553") | Unalloyed structural steels | ≤ 0.2 | 20 | | [AE355D](/materials/une/ae355d "AE355D") | [1.0570](/materials/material-no/1.0570 "1.0570") | Unalloyed structural steels | ≤ 0.2 | 22 | | [AE355D](/materials/une/ae355d "AE355D") | [1.0570](/materials/material-no/1.0570 "1.0570") | Unalloyed structural steels | ≤ 0.2 | 20 | | [AE355DD](/materials/une/ae355dd "AE355DD") | [1.0562](/materials/material-no/1.0562 "1.0562") | Fine-grain structural steels | ≤ 0.18 | 18 | | [AE355KG](/materials/une/ae355kg "AE355KG") | [1.0545](/materials/material-no/1.0545 "1.0545") | Fine-grain structural steels | ≤ 0.2 | 9 | | [AE355KG](/materials/une/ae355kg "AE355KG") | [1.0562](/materials/material-no/1.0562 "1.0562") | Fine-grain structural steels | ≤ 0.18 | 18 | | [AE355KT](/materials/une/ae355kt "AE355KT") | [1.0546](/materials/material-no/1.0546 "1.0546") | Fine-grain structural steels | ≤ 0.18 | 8 | | [AE390HC](/materials/une/ae390hc "AE390HC") | [1.0976](/materials/material-no/1.0976 "1.0976") | Fine-grain steels for cold forming | ≤ 0.12 | 9 | | [AE420KG](/materials/une/ae420kg "AE420KG") | [1.8902](/materials/material-no/1.8902 "1.8902") | Fine-grain structural steels | ≤ 0.2 | 19 | | [AE440HC](/materials/une/ae440hc "AE440HC") | [1.0982](/materials/material-no/1.0982 "1.0982") | Fine-grain steels for cold forming | ≤ 0.12 | 5 | | [AE460KG](/materials/une/ae460kg "AE460KG") | [1.8905](/materials/material-no/1.8905 "1.8905") | Fine-grain structural steels | ≤ 0.2 | 14 | | [AE460KG](/materials/une/ae460kg "AE460KG") | [1.5218](/materials/material-no/1.5218 "1.5218") | Others | 0.2–0.23 | 13 | | [AM-X-120Mn12](/materials/une/am-x-120mn12 "AM-X-120Mn12") | [1.3401](/materials/material-no/1.3401 "1.3401") | Quenched and tempered steels | 1.1–1.3 | 19 | | [AM-X7 CrNiNb 20 10](/materials/une/am-x7-crninb-20-10 "AM-X7 CrNiNb 20 10") | [1.4552](/materials/material-no/1.4552 "1.4552") | Cast stainless steels | ≤ 0.07 | 7 | | [AM25CrMo4](/materials/une/am25crmo4 "AM25CrMo4") | [1.7220](/materials/material-no/1.7220 "1.7220") | Quenched and tempered steels | 0.3–0.37 | 24 | | [AM25CrMo4](/materials/une/am25crmo4 "AM25CrMo4") | [1.7218](/materials/material-no/1.7218 "1.7218") | Quenched and tempered steels | 0.22–0.29 | 25 | | [AM26CrMo4](/materials/une/am26crmo4 "AM26CrMo4") | [1.7220](/materials/material-no/1.7220 "1.7220") | Quenched and tempered steels | 0.3–0.37 | 24 | | [AM26CrMo4](/materials/une/am26crmo4 "AM26CrMo4") | [1.7218](/materials/material-no/1.7218 "1.7218") | Quenched and tempered steels | 0.22–0.29 | 25 | | [AM30Mn5](/materials/une/am30mn5 "AM30Mn5") | [1.1165](/materials/material-no/1.1165 "1.1165") | Quenched and tempered steels | 0.25–0.32 | 16 | | [AM34CrMo4](/materials/une/am34crmo4 "AM34CrMo4") | [1.7220](/materials/material-no/1.7220 "1.7220") | Quenched and tempered steels | 0.3–0.37 | 24 | | [AMX20Cr13](/materials/une/amx20cr13 "AMX20Cr13") | [1.4027](/materials/material-no/1.4027 "1.4027") | Cast stainless steels | 0.16–0.23 | 14 | | [AP00](/materials/une/ap00 "AP00") | [1.0330](/materials/material-no/1.0330 "1.0330") | Unalloyed structural steels | ≤ 0.12 | 17 | | [AP02](/materials/une/ap02 "AP02") | [1.0347](/materials/material-no/1.0347 "1.0347") | Unalloyed structural steels | ≤ 0.1 | 12 | | [AP02](/materials/une/ap02 "AP02") | [1.0333](/materials/material-no/1.0333 "1.0333") | Unalloyed structural steels | ≤ 0.08 | 4 | | [AP04](/materials/une/ap04 "AP04") | [1.0338](/materials/material-no/1.0338 "1.0338") | Unalloyed structural steels | ≤ 0.08 | 18 | | [AP04](/materials/une/ap04 "AP04") | [1.0314](/materials/material-no/1.0314 "1.0314") | Unalloyed structural steels | ≤ 0.03 | 14 | | [AP11](/materials/une/ap11 "AP11") | [1.0332](/materials/material-no/1.0332 "1.0332") | Unalloyed structural steels | ≤ 0.12 | 16 | **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/une/page/3 "Previous") Page 4 of 16[Next](/materials/une/page/5 "Next")