--- title: "SG-NiCrAlFe18Mo" description: "SG-NiCrAlFe18Mo in DIN / EN: material number 2.4613, also listed as SG-NiCr21Fe18Mo. Category: Others. Designations recorded for this grade: 16." canonical: https://steelequivalents.com/materials/din-en/sg-nicralfe18mo language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/din-en/sg-nicralfe18mo.md cs: https://steelequivalents.com/cs/materiály/din-en/sg-nicralfe18mo.md de: https://steelequivalents.com/de/werkstoffe/din-en/sg-nicralfe18mo.md es: https://steelequivalents.com/es/materiales/din-en/sg-nicralfe18mo.md fr: https://steelequivalents.com/fr/matériaux/din-en/sg-nicralfe18mo.md hu: https://steelequivalents.com/hu/anyagok/din-en/sg-nicralfe18mo.md it: https://steelequivalents.com/it/materiali/din-en/sg-nicralfe18mo.md nl: https://steelequivalents.com/nl/materialen/din-en/sg-nicralfe18mo.md pl: https://steelequivalents.com/pl/materiały/din-en/sg-nicralfe18mo.md pt: https://steelequivalents.com/pt/materiais/din-en/sg-nicralfe18mo.md ru: https://steelequivalents.com/ru/материалы/din-en/sg-nicralfe18mo.md tr: https://steelequivalents.com/tr/malzemeler/din-en/sg-nicralfe18mo.md zh: https://steelequivalents.com/zh/材料/din-en/sg-nicralfe18mo.md ja: https://steelequivalents.com/ja/材料/din-en/sg-nicralfe18mo.md ar: https://steelequivalents.com/ar/المواد/din-en/sg-nicralfe18mo.md ko: https://steelequivalents.com/ko/재료/din-en/sg-nicralfe18mo.md pt-br: https://steelequivalents.com/pt-br/materiais/din-en/sg-nicralfe18mo.md hi: https://steelequivalents.com/hi/सामग्री/din-en/sg-nicralfe18mo.md content_hash: sha256:c34e3dd945a1a512df99968aad889fc593f20d4d5765e5dd00daa97905bcbb66 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/din-en/sg-nicralfe18mo > Canonical URL: https://steelequivalents.com/materials/din-en/sg-nicralfe18mo > 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 · 16 designations # SG-NiCrAlFe18Mo SG-NiCrAlFe18Mo is a designation in DIN / EN for the material held under material number 2.4613, also listed as SG-NiCr21Fe18Mo. It is a material in the category Others. We list 16 designations recorded for this grade, in the standards DIN / EN, UNS, ASTM and SAE AMS. - [*Material no.* **2.4613**](/materials/material-no/2.4613 "Material no.: 2.4613") - [*Category* **Others · 1754 grades**](/categories/others "Category: Others · 1754 grades") - *Designations* **16** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=c74bd74e-931b-4910-a6dc-236988c731af&designation=f28245cf-5458-493d-af7b-814ba5e82644 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/sg-nicralfe18mo.pdf "Datasheet as PDF") ## If you came for one of these The most-used names for this grade. - [DIN / EN SG-NiCr21Fe18Mo This grade’s own name](/materials/din-en/sg-nicr21fe18mo "DIN / EN SG-NiCr21Fe18Mo") ## About Others These are miscellaneous metallic alloys that do not fit a more specific material family and may be based on iron, nickel, cobalt, copper or other alloy systems. They are selected for applications requiring particular combinations of strength, hardness, toughness, wear resistance or resistance to demanding service conditions. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Also known as 16 designations · 4 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. DIN / EN Europe · 2 - [SG-NiCr21Fe18Mo This grade’s own name](/materials/din-en/sg-nicr21fe18mo "DIN / EN SG-NiCr21Fe18Mo") - **SG-NiCrAlFe18Mo This grade’s own name** UNS United States · 1 - [N06002 Indicative](/materials/uns/n06002 "UNS N06002") ASTM United States · 8 - [B 572 Indicative](/materials/astm/b572 "ASTM B 572") - [B 829 Indicative](/materials/astm/b829 "ASTM B 829") - [B366 Indicative](/materials/astm/b366 "ASTM B366") - [B435 Indicative](/materials/astm/b435 "ASTM B435") - [B619 Indicative](/materials/astm/b619 "ASTM B619") - [B622 Indicative](/materials/astm/b622 "ASTM B622") - [B751 Indicative](/materials/astm/b751 "ASTM B751") - [B775 Indicative](/materials/astm/b775 "ASTM B775") SAE AMS United States / Aerospace · 5 - [5536 Indicative plate sheet strip](/materials/ams/5536 "SAE AMS 5536") - [5587 Indicative tube](/materials/ams/5587 "SAE AMS 5587") - [5588 Indicative tube](/materials/ams/5588 "SAE AMS 5588") - [5754 Indicative bar forging ring](/materials/ams/5754 "SAE AMS 5754") - [5798 Indicative wire](/materials/ams/5798 "SAE AMS 5798") Every designation on file is listed — no truncation, no “+ n more”. Each one is itself a route that leads back here. ## Chemical composition 9 elements on file · weight % What this alloy is Fe Cr Mo Si Iron — the balance, never listed by a standard — 66.3 % Cr — 21.5 % Mo — 9 % Si — 1 % Traces & impurities · 2.2 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | ≤ 0.1 | | Si | ≤ 1 | | Mn | ≤ 1 | | Cr | 20–23 | | Mo | 8–10 — Unusual | | Ni | Balance | | W | 0.2–1 | | Co | ≤ 0.5 | | Fe | 17–20 | Carbon Silicon Manganese Chromium Molybdenum Nickel Tungsten Cobalt Iron 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 | ≤0,10 | — | 0.100 | Max | | Si | ≤1,00 | — | 1.000 | Max | | Cr | 20,0-23,0 | 20.000 | 23.000 | Range | | Mn | ≤1,00 | — | 1.000 | Max | | Fe | 17,0-20,0 | 17.000 | 20.000 | Range | | Co | ≤0,50 | — | 0.500 | Max | | Ni | Rest/Bal. | 43.400 | 54.800 | Balance | | Mo | 8,00-10,0 | 8.000 | 10.000 | Range | | W | 0,20-1,00 | 0.200 | 1.000 | 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 Not enough recorded composition to predict a transformation temperature for this grade — missing: Ni. ## 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. ## Similar grades — and why Selection rule, stated so you can disagree with it: same number class 2.4, a shared category, and a published range for Ni / Cr that overlaps this grade’s. These are neighbours in composition space — they are not equivalents, and none is claimed to be interchangeable with this grade. [NiCr20Mo14W 2.4638 Ni ≥49,0 · Cr 20,0-22,5 - ΔNi 0.10 - ΔCr 0.25 - 2 designations](/materials/din-en/nicr20mo14w "NiCr20Mo14W")[SG-NiCr22Co12Mo 2.4627 Ni ≥50,0 · Cr 20,0-24,0 - ΔNi 0.90 - ΔCr 0.50 - 6 designations](/materials/din-en/sg-nicr22co12mo "SG-NiCr22Co12Mo")[NiCr22Fe20Mo6AlCuTi 2.4661 Ni Rest/Bal. · Cr 21,0-23,5 - ΔNi 0.69 - ΔCr 0.75 - 1 designations](/materials/din-en/nicr22fe20mo6alcuti "NiCr22Fe20Mo6AlCuTi")[EL-NiCr21Co12Mo 2.4628 Ni ≥48,0 · Cr 20,0-24,0 - ΔNi 1.10 - ΔCr 0.50 - 1 designations](/materials/din-en/el-nicr21co12mo "EL-NiCr21Co12Mo")[G-NiCr20Co20MoTi 2.4672 Ni Rest/Bal. · Cr 19,0-21,0 - ΔNi 1.33 - ΔCr 1.50 - 1 designations](/materials/din-en/g-nicr20co20moti "G-NiCr20Co20MoTi")[NiCr22Mo8AlCuTi 2.4637 Ni Rest/Bal. · Cr 21,0-23,5 - ΔNi 2.94 - ΔCr 0.75 - 2 designations](/materials/din-en/nicr22mo8alcuti "NiCr22Mo8AlCuTi") ## 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=c74bd74e-931b-4910-a6dc-236988c731af&designation=f28245cf-5458-493d-af7b-814ba5e82644 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/din-en/sg-nicralfe18mo.pdf "Datasheet as PDF")