--- title: "FCDA-NiCrNb 20 2 — Cast iron" description: "FCDA-NiCrNb 20 2: 1 equivalent designations across 1 standards, with the recorded chemical composition shown next to the source text." canonical: https://steelequivalents.com/materials/jis/fcda-nicrnb-20-2 language: en robots: index, follow og_type: website type: material-detail language_alternates: en: https://steelequivalents.com/materials/jis/fcda-nicrnb-20-2.md cs: https://steelequivalents.com/cs/materiály/jis/fcda-nicrnb-20-2.md de: https://steelequivalents.com/de/werkstoffe/jis/fcda-nicrnb-20-2.md es: https://steelequivalents.com/es/materiales/jis/fcda-nicrnb-20-2.md fr: https://steelequivalents.com/fr/matériaux/jis/fcda-nicrnb-20-2.md hu: https://steelequivalents.com/hu/anyagok/jis/fcda-nicrnb-20-2.md it: https://steelequivalents.com/it/materiali/jis/fcda-nicrnb-20-2.md nl: https://steelequivalents.com/nl/materialen/jis/fcda-nicrnb-20-2.md pl: https://steelequivalents.com/pl/materiały/jis/fcda-nicrnb-20-2.md pt: https://steelequivalents.com/pt/materiais/jis/fcda-nicrnb-20-2.md ru: https://steelequivalents.com/ru/материалы/jis/fcda-nicrnb-20-2.md tr: https://steelequivalents.com/tr/malzemeler/jis/fcda-nicrnb-20-2.md zh: https://steelequivalents.com/zh/材料/jis/fcda-nicrnb-20-2.md ja: https://steelequivalents.com/ja/材料/jis/fcda-nicrnb-20-2.md ar: https://steelequivalents.com/ar/المواد/jis/fcda-nicrnb-20-2.md ko: https://steelequivalents.com/ko/재료/jis/fcda-nicrnb-20-2.md pt-br: https://steelequivalents.com/pt-br/materiais/jis/fcda-nicrnb-20-2.md hi: https://steelequivalents.com/hi/सामग्री/jis/fcda-nicrnb-20-2.md content_hash: sha256:e1c898137d81b831aea17971409db5c487017e34854882610aecea1d5d6f9925 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/jis/fcda-nicrnb-20-2 > Canonical URL: https://steelequivalents.com/materials/jis/fcda-nicrnb-20-2 > 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. JIS · Japan · 1 designation # FCDA-NiCrNb 20 2 FCDA-NiCrNb 20 2 is a material in the category [Cast iron](/categories/cast-iron "Cast iron"). Its recorded composition includes C ≤ 3%, Si 1.5–2.4%, Cr 1–3.5%, Mn 0.5–1.5% and Ni 18–22%. No cross-standard equivalents are recorded for this grade yet. Recorded mechanical properties include Rm 370 N/mm², Re 210 N/mm², A 7% and HB 140–200. - [*Category* **Cast iron · 73 grades**](/categories/cast-iron "Category: Cast iron · 73 grades") - *Designations* **1** [Search](/search "Steel grade search")[Inquiry](/inquiry?material=7e2acbd5-9af1-4199-b680-19461ff58202&designation=157c5b96-9511-455f-8d11-33888d218ad1 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/jis/fcda-nicrnb-20-2.pdf "Datasheet as PDF") ## About Cast iron Cast iron is an iron-based casting alloy whose properties depend on its composition and microstructure. It is characterised by good castability and a range of hardness, strength, and ductility, making it suitable for machine bases, housings, pipes, engine components, and wear-resistant parts. This describes the material class as a whole. Always confirm the individual grade against the standard before ordering. ## Chemical composition 8 elements on file · weight % What this alloy is Fe Ni C Cr Iron — the balance, never listed by a standard — 71.1 % Ni — 20 % C — 3 % Cr — 2.3 % Traces & impurities · 3.7 % Logarithmic scale, 0.01 % to 100 % — every value here compares directly, decade by decade. | Element | % by weight | |---|---| | C | ≤ 3 | | Si | 1.5–2.4 | | Mn | 0.5–1.5 | | P | ≤ 0.08 | | Cr | 1–3.5 | | Ni | 18–22 | | Cu | ≤ 0.5 | | Nb | 0.12–0.2 | Carbon Silicon Manganese Phosphorus Chromium Nickel Copper Niobium 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 | max 3 | — | 3.000 | Max | | Si | 1.5 - 2.4 | 1.500 | 2.400 | Range | | P | max 0.08 | — | 0.080 | Max | | Cr | 1 - 3.5 | 1.000 | 3.500 | Range | | Mn | 0.5 - 1.5 | 0.500 | 1.500 | Range | | Ni | 18 - 22 | 18.000 | 22.000 | Range | | Cu | max 0.5 | — | 0.500 | Max | | Nb | 0.12 - 0.2 | 0.120 | 0.200 | 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: 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=7e2acbd5-9af1-4199-b680-19461ff58202&designation=157c5b96-9511-455f-8d11-33888d218ad1 "Inquiry")[**Datasheet as PDF** Print-ready A4 document **Generating …** **Download started** **Try again**](/materials/jis/fcda-nicrnb-20-2.pdf "Datasheet as PDF")