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![주철](/images/uploads/8a57277a-a513-4691-84a9-6e868809fcc2/cast-iron-category-graphite-flake-fracture-1920x1080.jpg)

카테고리 · 73 강종

# 주철

주철은 조성과 미세조직에 따라 특성이 달라지는 철계 주조 합금이다. 우수한 주조성과 다양한 경도, 강도 및 연성을 나타내므로 기계 베이스, 하우징, 배관, 엔진 부품 및 내마모 부품에 적합하다.

| 강종 | 재료 번호 | C | Si | Cr | Mn | Ni | Cu |
|---|---|---|---|---|---|---|---|
| [FCAD900-8](/ko/재료/jis/fcad900-8 "FCAD900-8") | — | — | — | — | — | — | — |
| [FCA-NiSiCr 20 5 3](/ko/재료/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](/ko/재료/jis/fcv300 "FCV300") | — | — | — | — | — | — | — |
| [FCDA-NiMn 13 7](/ko/재료/jis/fcda-nimn-13-7 "FCDA-NiMn 13 7") | — | max 3 | 2 - 3 | max 0.2 | 6 - 7 | 12 - 14 | max 0.5 |
| [FCV450](/ko/재료/jis/fcv450 "FCV450") | — | — | — | — | — | — | — |
| [FCDA-NiCr 20 3](/ko/재료/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](/ko/재료/jis/fcmw380-7 "FCMW380-7") | — | — | — | — | — | — | — |
| [FCDA-NiCr 30 1](/ko/재료/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](/ko/재료/jis/fcmw550-4 "FCMW550-4") | — | — | — | — | — | — | — |
| [FCDA-Ni 35](/ko/재료/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](/ko/재료/jis/fcmb340-10 "FCMB340-10") | — | — | — | — | — | — | — |
| [FCD350-22](/ko/재료/jis/fcd350-22 "FCD350-22") | — | — | — | — | — | — | — |
| [FCMP490-4](/ko/재료/jis/fcmp490-4 "FCMP490-4") | — | — | — | — | — | — | — |
| [FCD400-15](/ko/재료/jis/fcd400-15 "FCD400-15") | — | — | — | — | — | — | — |
| [FCMP590-3](/ko/재료/jis/fcmp590-3 "FCMP590-3") | — | — | — | — | — | — | — |
| [FCD700-2](/ko/재료/jis/fcd700-2 "FCD700-2") | — | — | — | — | — | — | — |
| [FCMP800-1](/ko/재료/jis/fcmp800-1 "FCMP800-1") | — | — | — | — | — | — | — |
| [FCD400-15A](/ko/재료/jis/fcd400-15a "FCD400-15A") | — | — | — | — | — | — | — |
| [FCA-NiMn 13 7](/ko/재료/jis/fca-nimn-13-7 "FCA-NiMn 13 7") | — | max 3 | 1.5 - 3 | max 0.2 | 6 - 7 | 12 - 14 | max 0.5 |
| [FCAD900-4](/ko/재료/jis/fcad900-4 "FCAD900-4") | — | — | — | — | — | — | — |
| [FCA-NiCr 20 3](/ko/재료/jis/fca-nicr-20-3 "FCA-NiCr 20 3") | — | max 3 | 1 - 2.8 | 2.5 - 3.5 | 0.5 - 1.5 | 18 - 22 | max 0.5 |
| [FCAD1400-1](/ko/재료/jis/fcad1400-1 "FCAD1400-1") | — | — | — | — | — | — | — |
| [FCA-Ni 35](/ko/재료/jis/fca-ni-35 "FCA-Ni 35") | — | max 2.4 | 1 - 2 | max 0.2 | 0.5 - 1.5 | 34 - 36 | max 0.5 |

 [이전](/ko/%EB%B6%84%EB%A5%98/%EC%A3%BC%EC%B2%A0 "이전")2쪽 중 2쪽

## 이 카테고리를 다루는 규격

1

- [**JIS***73 강종*](/ko/재료/jis "JIS — 이 카테고리 내 73 강종")

## 물성 범위

4

| 물성 | 단위 | 하한 | 상한 | 강종 수 |
|---|---|---|---|---|
| Rm | N/mm² | 120 | 1400 | 72 |
| Re | N/mm² | 165 | 1100 | 61 |
| A | % | 0.5 | 25 | 62 |
| HB | — | 120 | 401 | 64 |

이 카테고리에서 값이 기록된 72 강종를 기준으로 산출.

## 화학 성분 범위

10

| 물성 | 단위 | 하한 | 상한 | 강종 수 |
|---|---|---|---|---|
| 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 |

이 카테고리에서 값이 기록된 24 강종를 기준으로 산출.