--- title: "BS steel grades — 1547 designations — Page 27" description: "Steel grades designated under BS, with chemical composition, mechanical properties and equivalents in other standards. 1547 designations across 549…" canonical: https://steelequivalents.com/materials/bs/page/27 language: en robots: index, follow og_type: website type: material-standard language_alternates: en: https://steelequivalents.com/materials/bs/page/27.md cs: https://steelequivalents.com/cs/materiály/bs.md de: https://steelequivalents.com/de/werkstoffe/bs.md es: https://steelequivalents.com/es/materiales/bs.md fr: https://steelequivalents.com/fr/matériaux/bs.md hu: https://steelequivalents.com/hu/anyagok/bs.md it: https://steelequivalents.com/it/materiali/bs.md nl: https://steelequivalents.com/nl/materialen/bs.md pl: https://steelequivalents.com/pl/materiały/bs.md pt: https://steelequivalents.com/pt/materiais/bs.md ru: https://steelequivalents.com/ru/материалы/bs.md tr: https://steelequivalents.com/tr/malzemeler/bs.md zh: https://steelequivalents.com/zh/材料/bs.md ja: https://steelequivalents.com/ja/材料/bs.md ar: https://steelequivalents.com/ar/المواد/bs.md ko: https://steelequivalents.com/ko/재료/bs.md pt-br: https://steelequivalents.com/pt-br/materiais/bs.md hi: https://steelequivalents.com/hi/सामग्री/bs.md content_hash: sha256:121329445b3146e2499a0157af5d5f16566ff740e096dd58a0c760d24797cdd2 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/bs/page/27 > Canonical URL: https://steelequivalents.com/materials/bs/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. BS · 1,547 grades # BS steel grades — 1547 designations — Page 27 Every grade designated under BS, 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 1547 designations | Grade | Material no. | Category | C% by weight | Also in other standards | |---|---|---|---|---| | [HFW4](/materials/bs/hfw4 "HFW4") | [1.0036](/materials/material-no/1.0036 "1.0036") | Unalloyed structural steels | ≤ 0.17 | 19 | | [HFW4](/materials/bs/hfw4 "HFW4") | [1.0044](/materials/material-no/1.0044 "1.0044") | Unalloyed structural steels | ≤ 0.21 | 26 | | [HFW4](/materials/bs/hfw4 "HFW4") | [1.0028](/materials/material-no/1.0028 "1.0028") | Unalloyed structural steels | ≤ 0.15 | 18 | | [HR 15](/materials/bs/hr-15 "HR 15") | [1.0035](/materials/material-no/1.0035 "1.0035") | Unalloyed structural steels | — | 22 | | [HR 203](/materials/bs/hr203 "HR 203") | [2.4951](/materials/material-no/2.4951 "2.4951") | High-temperature steels | 0.08–0.15 | 6 | | [HR 3](/materials/is/hr3 "HR 3") | [2.4634](/materials/material-no/2.4634 "2.4634") | High-temperature steels / aviation variant | 0.12–0.17 | 5 | | [HR 403](/materials/bs/hr403 "HR 403") | [2.4951](/materials/material-no/2.4951 "2.4951") | High-temperature steels | 0.08–0.15 | 6 | | [HR 6](/materials/bs/hr-6 "HR 6") | [2.4665](/materials/material-no/2.4665 "2.4665") | High-temperature steels | 0.05–0.15 | 11 | | [HR1](/materials/is/hr1 "HR1") | [1.0335](/materials/material-no/1.0335 "1.0335") | Unalloyed structural steels | ≤ 0.08 | 12 | | [HR1](/materials/is/hr1 "HR1") | [2.4631](/materials/material-no/2.4631 "2.4631") | High-temperature steels / aviation variant | 0.04–0.1 | 5 | | [HR10](/materials/bs/hr10 "HR10") | [2.4650](/materials/material-no/2.4650 "2.4650") | Nickel and cobalt alloys | 0.04–0.08 | 5 | | [HR10](/materials/bs/hr10 "HR10") | [2.4060](/materials/material-no/2.4060 "2.4060") | Nickel and cobalt alloys | ≤ 0.08 | 4 | | [HR2](/materials/is/hr2 "HR2") | [1.0398](/materials/material-no/1.0398 "1.0398") | Unalloyed structural steels | ≤ 0.1 | 5 | | [HR2](/materials/is/hr2 "HR2") | [2.4632](/materials/material-no/2.4632 "2.4632") | High-temperature steels / aviation variant | ≤ 0.13 | 5 | | [HR201](/materials/bs/hr201 "HR201") | [2.4631](/materials/material-no/2.4631 "2.4631") | High-temperature steels / aviation variant | 0.04–0.1 | 5 | | [HR202](/materials/bs/hr202 "HR202") | [2.4632](/materials/material-no/2.4632 "2.4632") | High-temperature steels / aviation variant | ≤ 0.13 | 5 | | [HR203](/materials/bs/hr203 "HR203") | [2.4630](/materials/material-no/2.4630 "2.4630") | High-temperature steels / aviation variant | 0.08–0.15 | 3 | | [HR206](/materials/bs/hr206 "HR206") | [2.4650](/materials/material-no/2.4650 "2.4650") | Nickel and cobalt alloys | 0.04–0.08 | 5 | | [HR207](/materials/bs/hr207 "HR207") This grade’s own name | — | — | — | 1 | | [HR3](/materials/is/hr3 "HR3") | [1.0332](/materials/material-no/1.0332 "1.0332") | Unalloyed structural steels | ≤ 0.12 | 16 | | [HR401](/materials/bs/hr401 "HR401") | [2.4631](/materials/material-no/2.4631 "2.4631") | High-temperature steels / aviation variant | 0.04–0.1 | 5 | | [HR401HR601](/materials/bs/hr401hr601 "HR401HR601") | [2.4631](/materials/material-no/2.4631 "2.4631") | High-temperature steels / aviation variant | 0.04–0.1 | 5 | | [HR402](/materials/bs/hr402 "HR402") | [2.4632](/materials/material-no/2.4632 "2.4632") | High-temperature steels / aviation variant | ≤ 0.13 | 5 | | [HR403](/materials/bs/hr403 "HR403") | [2.4630](/materials/material-no/2.4630 "2.4630") | High-temperature steels / aviation variant | 0.08–0.15 | 3 | | [HR404](/materials/bs/hr404 "HR404") | [2.4650](/materials/material-no/2.4650 "2.4650") | Nickel and cobalt alloys | 0.04–0.08 | 5 | | [HR43F35](/materials/bs/hr43f35 "HR43F35") | [1.0972](/materials/material-no/1.0972 "1.0972") | Fine-grain steels for cold forming | ≤ 0.12 | 6 | | [HR5](/materials/is/hr5 "HR5") | [2.4630](/materials/material-no/2.4630 "2.4630") | High-temperature steels / aviation variant | 0.08–0.15 | 3 | | [HR501](/materials/bs/hr501 "HR501") | [2.4632](/materials/material-no/2.4632 "2.4632") | High-temperature steels / aviation variant | ≤ 0.13 | 5 | | [HR502](/materials/bs/hr502 "HR502") | [2.4632](/materials/material-no/2.4632 "2.4632") | High-temperature steels / aviation variant | ≤ 0.13 | 5 | | [HR503](/materials/bs/hr503 "HR503") | [2.4632](/materials/material-no/2.4632 "2.4632") | High-temperature steels / aviation variant | ≤ 0.13 | 5 | | [HR504](/materials/bs/hr504 "HR504") | [2.4630](/materials/material-no/2.4630 "2.4630") | High-temperature steels / aviation variant | 0.08–0.15 | 3 | | [HR505](/materials/bs/hr505 "HR505") | [2.4669](/materials/material-no/2.4669 "2.4669") | High-temperature steels | ≤ 0.08 | 8 | | [HR50F45](/materials/bs/hr50f45 "HR50F45") | [1.0980](/materials/material-no/1.0980 "1.0980") | Fine-grain steels for cold forming | ≤ 0.12 | 8 | | [HR53](/materials/bs/hr53 "HR53") | [2.4975](/materials/material-no/2.4975 "2.4975") | High-temperature steels | ≤ 0.1 | 4 | | [HR55](/materials/bs/hr55 "HR55") | — | — | — | 1 | | [HR601](/materials/bs/hr601 "HR601") | [2.4631](/materials/material-no/2.4631 "2.4631") | High-temperature steels / aviation variant | 0.04–0.1 | 5 | | [HR68F62](/materials/bs/hr68f62 "HR68F62") | [1.8969](/materials/material-no/1.8969 "1.8969") | Fine-grain steels for cold forming | ≤ 0.12 | 2 | | [HR8](/materials/bs/hr8 "HR8") | [2.4668](/materials/material-no/2.4668 "2.4668") | High-temperature steels | 0.02–0.08 | 10 | | [HS](/materials/bs/hs "HS") | [1.0044](/materials/material-no/1.0044 "1.0044") | Unalloyed structural steels | ≤ 0.21 | 26 | | [HS 37](/materials/bs/hs-37 "HS 37") | [1.0116](/materials/material-no/1.0116 "1.0116") | Unalloyed structural steels | ≤ 0.17 | 12 | | [HS95](/materials/bs/hs95 "HS95") | [1.1274](/materials/material-no/1.1274 "1.1274") | Spring steels | 0.95–1.05 | 13 | | [INCOLOY alloy DS](/materials/bs/incoloy-alloy-ds "INCOLOY alloy DS") | [1.4864](/materials/material-no/1.4864 "1.4864") | Heat resistant steels | ≤ 0.15 | 14 | | [L-NiCuCr202](/materials/bs/l-nicucr202 "L-NiCuCr202") | [0.6660](/materials/material-no/0.6660 "0.6660") | Others | ≤ 3 | 5 | | [L-NiMn 137](/materials/gost/l-nimn13-7 "L-NiMn 137") | [EN-JS3071](/materials/material-no/en-js3071 "EN-JS3071") | Others | — | 3 | | [LT 196](/materials/bs/lt-196 "LT 196") | — | — | — | 2 | | [LW 13](/materials/bs/lw-13 "LW 13") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [LW 14](/materials/bs/lw-14 "LW 14") | [1.4306](/materials/material-no/1.4306 "1.4306") | Stainless steels | ≤ 0.03 | 18 | | [LW 15](/materials/bs/lw-15 "LW 15") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | | [LW 19](/materials/bs/lw-19 "LW 19") | [1.4512](/materials/material-no/1.4512 "1.4512") | Stainless steels | ≤ 0.03 | 10 | | [LW 21](/materials/bs/lw-21 "LW 21") | [1.4301](/materials/material-no/1.4301 "1.4301") | Stainless steels | ≤ 0.07 | 23 | **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/bs/page/26 "Previous") Page 27 of 31[Next](/materials/bs/page/28 "Next")