--- title: "GX2CrNiMnMoNNb21-15-4-3 — Cast stainless steels" description: "GX2CrNiMnMoNNb21-15-4-3: 1 equivalent designations across 1 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/din-en/gx2crnimnmonnb21-15-4-3 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/din-en/gx2crnimnmonnb21-15-4-3.md cs: https://steelequivalents.com/cs/materiály/din-en/gx2crnimnmonnb21-15-4-3.md de: https://steelequivalents.com/de/werkstoffe/din-en/gx2crnimnmonnb21-15-4-3.md es: https://steelequivalents.com/es/materiales/din-en/gx2crnimnmonnb21-15-4-3.md fr: https://steelequivalents.com/fr/matériaux/din-en/gx2crnimnmonnb21-15-4-3.md hu: https://steelequivalents.com/hu/anyagok/din-en/gx2crnimnmonnb21-15-4-3.md it: https://steelequivalents.com/it/materiali/din-en/gx2crnimnmonnb21-15-4-3.md nl: https://steelequivalents.com/nl/materialen/din-en/gx2crnimnmonnb21-15-4-3.md pl: https://steelequivalents.com/pl/materiały/din-en/gx2crnimnmonnb21-15-4-3.md pt: https://steelequivalents.com/pt/materiais/din-en/gx2crnimnmonnb21-15-4-3.md ru: https://steelequivalents.com/ru/материалы/din-en/gx2crnimnmonnb21-15-4-3.md tr: https://steelequivalents.com/tr/malzemeler/din-en/gx2crnimnmonnb21-15-4-3.md zh: https://steelequivalents.com/zh/材料/din-en/gx2crnimnmonnb21-15-4-3.md ja: https://steelequivalents.com/ja/材料/din-en/gx2crnimnmonnb21-15-4-3.md ar: https://steelequivalents.com/ar/المواد/din-en/gx2crnimnmonnb21-15-4-3.md ko: https://steelequivalents.com/ko/재료/din-en/gx2crnimnmonnb21-15-4-3.md pt-br: https://steelequivalents.com/pt-br/materiais/din-en/gx2crnimnmonnb21-15-4-3.md hi: https://steelequivalents.com/hi/सामग्री/din-en/gx2crnimnmonnb21-15-4-3.md content_hash: sha256:f45ae17f0c48dd621e749c09da25475cf3dd1751f3936b5b4af49b6190bd801d generated: 2026-09-25 --- > **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/din-en/gx2crnimnmonnb21-15-4-3 > Canonical URL: https://steelequivalents.com/materials/din-en/gx2crnimnmonnb21-15-4-3 > 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. DIN / EN · Europe · 1 designation # GX2CrNiMnMoNNb21-15-4-3 GX2CrNiMnMoNNb21-15-4-3 is a material in the category [Cast stainless steels](/categories/cast-stainless-steels "Cast stainless steels"), held under material number 1.4569. Its recorded composition includes C ≤ 0.03%, Cr 20–22%, Mn 3–6%, Ni 14–17% and Mo 3–3.5%. No cross-standard equivalents are recorded for this grade yet. Its recorded density is 7.85 g/cm³. - [*Material no.* **1.4569**](/materials/material-no/1.4569 "Material no.: 1.4569") - [*Category* **Cast stainless steels · 87 grades**](/categories/cast-stainless-steels "Category: Cast stainless steels · 87 grades") - *Designations* **1** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=aa05cd31-e8f3-4f82-aea4-1400c18c921b&designation=80dc1d49-0d08-4c84-831a-5e25d6305f63 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/gx2crnimnmonnb21-15-4-3.pdf "Datasheet as PDF") ## About Cast stainless steels Cast stainless steels are stainless-steel materials produced by casting, combining corrosion resistance with the ability to form complex component shapes. Their composition and mechanical behaviour vary by grade, and they are used for corrosion-resistant cast components such as pumps, valves and process equipment. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Chemical composition 10 elements on file · weight % What this alloy is Fe Cr Ni Mn Iron — the balance, never listed by a standard — 54.2 % Cr — 21 % Ni — 15.5 % Mn — 4.5 % Traces & impurities · 4.8 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | ≤ 0.03 | | Si | ≤ 1 | | Mn | 3–6 — Unusual | | P | 0.025 | | S | 0.01 | | Cr | 20–22 | | Mo | 3–3.5 | | Ni | 14–17 | | Nb | ≤ 0.25 | | N | 0.2–0.35 — Unusual | Carbon Silicon Manganese Phosphorus Sulfur Chromium Molybdenum Nickel Niobium Nitrogen 0.01 % 0.1 % 1 % 10 % 100 % The scale is logarithmic, not the element’s raw share of the alloy — the only honest way to fit 0.01 % and 100 % in one picture, and it means every value here can be compared with every other. | Element | As published source text, verbatim | Min% by weight | Max% by weight | Bound | |---|---|---|---|---| | C | ≤0,03 | — | 0.030 | Max | | N | 0,20-0,35 | 0.200 | 0.350 | Range | | Si | ≤1,00 | — | 1.000 | Max | | P | 0,025 | 0.025 | 0.025 | Exact | | S | 0,01 | 0.010 | 0.010 | Exact | | Cr | 20,0-22,0 | 20.000 | 22.000 | Range | | Mn | 3,00-6,00 | 3.000 | 6.000 | Range | | Ni | 14,0-17,0 | 14.000 | 17.000 | Range | | Nb | ≤0,25 | — | 0.250 | Max | | Mo | 3,00-3,50 | 3.000 | 3.500 | Range | The published column is the source string byte-for-byte, decimal comma and all; Min and Max are the parsed bounds. Elements not listed have no value on file — they are omitted, never inferred. ## Predicted transformation temperatures This grade's composition falls outside the published model's validated range (a low-alloy composition window), so no transformation temperature is predicted here. ## Physical & mechanical properties Density 7,85 g/cm³ Exact 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=aa05cd31-e8f3-4f82-aea4-1400c18c921b&designation=80dc1d49-0d08-4c84-831a-5e25d6305f63 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/gx2crnimnmonnb21-15-4-3.pdf "Datasheet as PDF")