--- title: "Nb — composition, equivalents and standards" description: "Nb is a designation in BS for the grade also listed as 9 0.10C. Designations recorded for this grade: 9." canonical: https://steelequivalents.com/materials/bs/nb language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/bs/nb.md cs: https://steelequivalents.com/cs/materiály/bs/nb.md de: https://steelequivalents.com/de/werkstoffe/bs/nb.md es: https://steelequivalents.com/es/materiales/bs/nb.md fr: https://steelequivalents.com/fr/matériaux/bs/nb.md hu: https://steelequivalents.com/hu/anyagok/bs/nb.md it: https://steelequivalents.com/it/materiali/bs/nb.md nl: https://steelequivalents.com/nl/materialen/bs/nb.md pl: https://steelequivalents.com/pl/materiały/bs/nb.md pt: https://steelequivalents.com/pt/materiais/bs/nb.md ru: https://steelequivalents.com/ru/материалы/bs/nb.md tr: https://steelequivalents.com/tr/malzemeler/bs/nb.md zh: https://steelequivalents.com/zh/材料/bs/nb.md ja: https://steelequivalents.com/ja/材料/bs/nb.md ar: https://steelequivalents.com/ar/المواد/bs/nb.md ko: https://steelequivalents.com/ko/재료/bs/nb.md pt-br: https://steelequivalents.com/pt-br/materiais/bs/nb.md hi: https://steelequivalents.com/hi/सामग्री/bs/nb.md content_hash: sha256:df129bbd4d0d1eb33d697693f73e5264206affdfa23e63429dd9744305c95285 generated: 2026-09-21 --- > **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/nb > Canonical URL: https://steelequivalents.com/materials/bs/nb > 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 · United Kingdom · 9 designations # Nb Nb is a designation in BS for the grade also listed as 9 0.10C. We list 9 designations recorded for this grade, in the standards BS, AFNOR, JIS, GB and GOST. - *Designations* **9** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=1c8c62ad-2882-4727-8839-f8dc55540d08&designation=b08d964b-1eb5-4660-ba6e-c8f63c56d2e9 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/bs/nb.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [GOST 08Х18Н12Б This grade’s own name · 2 grades on that route](/materials/gost/08kh18n12b "GOST 08Х18Н12Б") ## Also known as 9 designations · 5 standards · nothing hidden 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. BS United Kingdom · 3 - [9 0.10C Indicative](/materials/bs/9-0-10c "BS 9 0.10C") - **Nb Indicative** - [Nb CrNi 18 Indicative](/materials/bs/nb-crni-18 "BS Nb CrNi 18") AFNOR France · 1 - [Z6CNNb18-10 Indicative](/materials/afnor/z6cnnb18-10 "AFNOR Z6CNNb18-10") JIS Japan · 1 - [SUS 347 Indicative](/materials/jis/sus347 "JIS SUS 347") GB China · 3 - [0Cr18Ni11Nb Indicative](/materials/gb/0cr18ni11nb "GB 0Cr18Ni11Nb") - [1Cr18Ni11Nb Indicative](/materials/gb/1cr18ni11nb "GB 1Cr18Ni11Nb") - [1Cr19Ni11Nb Indicative](/materials/gb/1cr19ni11nb "GB 1Cr19Ni11Nb") GOST Russia / CIS · 1 - [08Х18Н12Б This grade’s own name](/materials/gost/08kh18n12b "GOST 08Х18Н12Б") Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Predicted transformation temperatures Not enough recorded composition to predict a transformation temperature for this grade — missing: C, Mn, Si, Ni, Cr, Mo. ## Physical & mechanical properties An absent property means we hold no value for it — it is left out rather than estimated, interpolated from a neighbouring grade, or filled from a handbook. It does not mean the property is undefined for the material. ## Looking for this grade under another name? Search the catalogue by designation, material number or composition — every name on this page is itself a way in. [Search](/search "Steel grade search")[Inquiry](/inquiry?material=1c8c62ad-2882-4727-8839-f8dc55540d08&designation=b08d964b-1eb5-4660-ba6e-c8f63c56d2e9 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/bs/nb.pdf "Datasheet as PDF")