--- title: "鋳鉄 — 化学成分つき 73 鋼種" description: "鋳鉄は、性質がその化学成分およびミクロ組織に依存する鉄基鋳造合金である。良好な鋳造性と、硬さ、強度および延性の幅広い範囲を備え、機…" canonical: https://steelequivalents.com/ja/%E3%82%AB%E3%83%86%E3%82%B4%E3%83%AA%E3%83%BC/%E9%8B%B3%E9%89%84 language: ja robots: index, follow og_type: website type: category-detail language_alternates: en: https://steelequivalents.com/categories/cast-iron.md cs: https://steelequivalents.com/cs/kategorie/litina.md de: https://steelequivalents.com/de/kategorien/gusseisen.md es: https://steelequivalents.com/es/categorías/fundición-de-hierro.md fr: https://steelequivalents.com/fr/catégories/fonte.md hu: https://steelequivalents.com/hu/kategóriák/öntöttvas.md it: https://steelequivalents.com/it/categorie/ghisa.md nl: https://steelequivalents.com/nl/categorieën/gietijzer.md pl: https://steelequivalents.com/pl/kategorie/żeliwo.md pt: https://steelequivalents.com/pt/categorias/ferro-fundido.md ru: https://steelequivalents.com/ru/категории/чугун.md tr: https://steelequivalents.com/tr/kategoriler/dökme-demir.md zh: https://steelequivalents.com/zh/类别/铸铁.md ja: https://steelequivalents.com/ja/%E3%82%AB%E3%83%86%E3%82%B4%E3%83%AA%E3%83%BC/%E9%8B%B3%E9%89%84.md ar: https://steelequivalents.com/ar/الفئات/حديد-الزهر.md ko: https://steelequivalents.com/ko/분류/주철.md pt-br: https://steelequivalents.com/pt-br/categorias/ferro-fundido.md hi: https://steelequivalents.com/hi/श्रेणियाँ/ढलवाँ-लोहा.md content_hash: sha256:a8932cec8fdf5de9e959c427cddd62f9a43adcc3730765ca9767d79ffd9b1193 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/ja/%E3%82%AB%E3%83%86%E3%82%B4%E3%83%AA%E3%83%BC/%E9%8B%B3%E9%89%84 > Canonical URL: https://steelequivalents.com/ja/%E3%82%AB%E3%83%86%E3%82%B4%E3%83%AA%E3%83%BC/%E9%8B%B3%E9%89%84 > 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. ![鋳鉄](/images/uploads/8a57277a-a513-4691-84a9-6e868809fcc2/cast-iron-category-graphite-flake-fracture-1920x1080.jpg) カテゴリー · 73 鋼種 # 鋳鉄 鋳鉄は、性質がその化学成分およびミクロ組織に依存する鉄基鋳造合金である。良好な鋳造性と、硬さ、強度および延性の幅広い範囲を備え、機械ベース、ハウジング、管、エンジン部品および耐摩耗部品に適している。 | 鋼種 | 材料番号 | C | Si | Cr | Mn | Ni | Cu | |---|---|---|---|---|---|---|---| | [FCV350](/ja/材料/jis/fcv350 "FCV350") | — | — | — | — | — | — | — | | [FCDA-NiCr 20 2](/ja/材料/jis/fcda-nicr-20-2 "FCDA-NiCr 20 2") | — | max 3 | 1.5 - 3 | 1 - 3.5 | 0.5 - 1.5 | 18 - 22 | max 0.5 | | [FCMW350-4](/ja/材料/jis/fcmw350-4 "FCMW350-4") | — | — | — | — | — | — | — | | [FCDA-Ni 22](/ja/材料/jis/fcda-ni-22 "FCDA-Ni 22") | — | max 3 | 1.5 - 3 | max 0.5 | 1.5 - 2.5 | 21 - 24 | max 0.5 | | [FCMW400-5](/ja/材料/jis/fcmw400-5 "FCMW400-5") | — | — | — | — | — | — | — | | [FCDA-NiSiCr 30 5 2](/ja/材料/jis/fcda-nisicr-30-5-2 "FCDA-NiSiCr 30 5 2") | — | max 2.6 | 4 - 6 | 1.5 - 2.5 | 0.5 - 1.5 | 29 - 32 | — | | [FCMB300-6](/ja/材料/jis/fcmb300-6 "FCMB300-6") | — | — | — | — | — | — | — | | [FCDA-NiSiCr 35 5 2](/ja/材料/jis/fcda-nisicr-35-5-2 "FCDA-NiSiCr 35 5 2") | — | max 2 | 4 - 6 | 1.5 - 2.5 | 0.5 - 1.5 | 34 - 36 | max 0.5 | | [FCMB350-10S](/ja/材料/jis/fcmb350-10s "FCMB350-10S") | — | — | — | — | — | — | — | | [FCD400-18](/ja/材料/jis/fcd400-18 "FCD400-18") | — | — | — | — | — | — | — | | [FCMP540-3](/ja/材料/jis/fcmp540-3 "FCMP540-3") | — | — | — | — | — | — | — | | [FCD500-7](/ja/材料/jis/fcd500-7 "FCD500-7") | — | — | — | — | — | — | — | | [FCMP650-2](/ja/材料/jis/fcmp650-2 "FCMP650-2") | — | — | — | — | — | — | — | | [FCD400-18A](/ja/材料/jis/fcd400-18a "FCD400-18A") | — | — | — | — | — | — | — | | [FCD600-3A](/ja/材料/jis/fcd600-3a "FCD600-3A") | — | — | — | — | — | — | — | | [FCA-NiCuCr 15 6 3](/ja/材料/jis/fca-nicucr-15-6-3 "FCA-NiCuCr 15 6 3") | — | max 3 | 1 - 2.8 | 2.5 - 3.5 | 0.5 - 1.5 | 13.5 - 17.5 | 5.5 - 7.5 | | [FCAD1000-5](/ja/材料/jis/fcad1000-5 "FCAD1000-5") | — | — | — | — | — | — | — | | [FCA-NiCr 30 3](/ja/材料/jis/fca-nicr-30-3 "FCA-NiCr 30 3") | — | max 2.5 | 1 - 2 | 2.5 - 3.5 | 0.5 - 1.5 | 28 - 32 | max 0.5 | | [FCDA-NiMn 13 7](/ja/材料/jis/fcda-nimn-13-7 "FCDA-NiMn 13 7") | — | max 3 | 2 - 3 | max 0.2 | 6 - 7 | 12 - 14 | max 0.5 | | [FCV500](/ja/材料/jis/fcv500 "FCV500") | — | — | — | — | — | — | — | | [FCDA-NiSiCr 20 5 2](/ja/材料/jis/fcda-nisicr-20-5-2 "FCDA-NiSiCr 20 5 2") | — | max 3 | 4.5 - 5.5 | 1 - 2.5 | 0.5 - 1.5 | 18 - 22 | max 0.5 | | [FCMW380-12](/ja/材料/jis/fcmw380-12 "FCMW380-12") | — | — | — | — | — | — | — | | [FCDA-NiCr 30 3](/ja/材料/jis/fcda-nicr-30-3 "FCDA-NiCr 30 3") | — | max 2.6 | 1.5 - 3 | 2.5 - 3.5 | 0.5 - 1.5 | 28 - 32 | max 0.5 | | [FCMB275-5](/ja/材料/jis/fcmb275-5 "FCMB275-5") | — | — | — | — | — | — | — | | [FCDA-NiCr 35 3](/ja/材料/jis/fcda-nicr-35-3 "FCDA-NiCr 35 3") | — | max 2.4 | 1.5 - 3 | 2 - 3 | 1.5 - 2.5 | 34 - 36 | max 0.5 | | [FCMB350-10](/ja/材料/jis/fcmb350-10 "FCMB350-10") | — | — | — | — | — | — | — | | [FCD350-22L](/ja/材料/jis/fcd350-22l "FCD350-22L") | — | — | — | — | — | — | — | | [FCMP500-5](/ja/材料/jis/fcmp500-5 "FCMP500-5") | — | — | — | — | — | — | — | | [FCD400-10](/ja/材料/jis/fcd400-10 "FCD400-10") | — | — | — | — | — | — | — | | [FCMP600-3](/ja/材料/jis/fcmp600-3 "FCMP600-3") | — | — | — | — | — | — | — | | [FCD800-2](/ja/材料/jis/fcd800-2 "FCD800-2") | — | — | — | — | — | — | — | | [FCD500-7A](/ja/材料/jis/fcd500-7a "FCD500-7A") | — | — | — | — | — | — | — | | [FCA-NiCuCr 15 6 2](/ja/材料/jis/fca-nicucr-15-6-2 "FCA-NiCuCr 15 6 2") | — | max 3 | 1 - 2.8 | 1 - 3.5 | 0.5 - 1.5 | 13.5 - 17.5 | 5.5 - 7.5 | | [FCAD900-8](/ja/材料/jis/fcad900-8 "FCAD900-8") | — | — | — | — | — | — | — | | [FCA-NiSiCr 20 5 3](/ja/材料/jis/fca-nisicr-20-5-3 "FCA-NiSiCr 20 5 3") | — | max 2.5 | 4.5 - 5.5 | 1.5 - 4.5 | 0.5 - 1.5 | 18 - 22 | max 0.5 | | [FCV300](/ja/材料/jis/fcv300 "FCV300") | — | — | — | — | — | — | — | | [FCA-Ni 35](/ja/材料/jis/fca-ni-35 "FCA-Ni 35") | — | max 2.4 | 1 - 2 | max 0.2 | 0.5 - 1.5 | 34 - 36 | max 0.5 | | [FCV450](/ja/材料/jis/fcv450 "FCV450") | — | — | — | — | — | — | — | | [FCDA-NiCr 20 3](/ja/材料/jis/fcda-nicr-20-3 "FCDA-NiCr 20 3") | — | max 3 | 1.5 - 3 | 2.5 - 3.5 | 0.5 - 1.5 | 18 - 22 | max 0.5 | | [FCMW380-7](/ja/材料/jis/fcmw380-7 "FCMW380-7") | — | — | — | — | — | — | — | | [FCDA-NiCr 30 1](/ja/材料/jis/fcda-nicr-30-1 "FCDA-NiCr 30 1") | — | max 2.6 | 1.5 - 3 | 1 - 1.5 | 0.5 - 1.5 | 28 - 32 | max 0.5 | | [FCMW550-4](/ja/材料/jis/fcmw550-4 "FCMW550-4") | — | — | — | — | — | — | — | | [FCDA-Ni 35](/ja/材料/jis/fcda-ni-35 "FCDA-Ni 35") | — | max 2.4 | 1.5 - 3 | max 0.2 | 0.5 - 1.5 | 34 - 36 | max 0.5 | | [FCMB340-10](/ja/材料/jis/fcmb340-10 "FCMB340-10") | — | — | — | — | — | — | — | | [FCD350-22](/ja/材料/jis/fcd350-22 "FCD350-22") | — | — | — | — | — | — | — | | [FCMP490-4](/ja/材料/jis/fcmp490-4 "FCMP490-4") | — | — | — | — | — | — | — | | [FCD400-15](/ja/材料/jis/fcd400-15 "FCD400-15") | — | — | — | — | — | — | — | | [FCMP590-3](/ja/材料/jis/fcmp590-3 "FCMP590-3") | — | — | — | — | — | — | — | | [FCD700-2](/ja/材料/jis/fcd700-2 "FCD700-2") | — | — | — | — | — | — | — | | [FCMP800-1](/ja/材料/jis/fcmp800-1 "FCMP800-1") | — | — | — | — | — | — | — | 2 ページ中 1 ページ[次へ](/ja/%E3%82%AB%E3%83%86%E3%82%B4%E3%83%AA%E3%83%BC/%E9%8B%B3%E9%89%84/ページ/2 "次へ") ## このカテゴリを扱う規格 1 - [**JIS***73 鋼種*](/ja/材料/jis "JIS — このカテゴリ内 73 鋼種") ## 物性の範囲 4 | 物性 | 単位 | 下限 | 上限 | 鋼種数 | |---|---|---|---|---| | Rm | N/mm² | 120 | 1400 | 72 | | Re | N/mm² | 165 | 1100 | 61 | | A | % | 0.5 | 25 | 62 | | HB | — | 120 | 401 | 64 | このカテゴリ内で値が記録されている72 鋼種から算出。 ## 化学成分の範囲 10 | 物性 | 単位 | 下限 | 上限 | 鋼種数 | |---|---|---|---|---| | C | % | 2 | 3 | 24 | | Mg | % | 0.09 | 0.09 | 1 | | Si | % | 1 | 6 | 24 | | P | % | 0.05 | 0.25 | 20 | | S | % | 0.02 | 0.02 | 1 | | Cr | % | 0.2 | 5.5 | 23 | | Mn | % | 0.4 | 7 | 24 | | Ni | % | 12 | 36 | 23 | | Cu | % | 0.5 | 7.5 | 22 | | Nb | % | 0.12 | 0.2 | 1 | このカテゴリ内で値が記録されている24 鋼種から算出。