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![주강](/images/uploads/142bd150-2d5d-492c-823f-7673da18bb23/cast-steel-category-sand-cast-surface-1920x1080.jpg)

카테고리 · 59 강종

# 주강

주강은 강을 주형에 주입하여 부품을 성형하는 철강 재료이다. 주조가 제공하는 형상 제작의 유연성과 강에 수반되는 강도 및 인성을 결합하므로, 기계 부품, 구조용 주물 및 산업 장비와 같은 복잡하고 고하중을 받는 부품에 적합하다.

| 강종 | 재료 번호 | C | P | S | Mn | Si | Cr |
|---|---|---|---|---|---|---|---|
| [SCPH11](/ko/재료/jis/scph11 "SCPH11") | — | max 0.25 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | max 0.35 |
| [SCMnCr4](/ko/재료/jis/scmncr4 "SCMnCr4") | — | 0.35 - 0.45 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.4 - 0.8 |
| [SCPH32](/ko/재료/jis/scph32 "SCPH32") | — | max 0.2 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | 2 - 2.75 |
| [SCMnCrM2](/ko/재료/jis/scmncrm2 "SCMnCrM2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.3 - 0.7 |
| [SCPH2-CF](/ko/재료/jis/scph2-cf "SCPH2-CF") | — | max 0.3 | max 0.04 | max 0.04 | max 1.1 | max 0.6 | max 0.25 |
| [SCMnH2](/ko/재료/jis/scmnh2 "SCMnH2") | — | 0.9 - 1.2 | max 0.07 | max 0.04 | 11 - 14 | max 0.8 | — |
| [SCMnH4](/ko/재료/jis/scmnh4 "SCMnH4") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 16 - 19 | 0.3 - 0.9 | — |
| [SCMnH21](/ko/재료/jis/scmnh21 "SCMnH21") | — | 1 - 1.35 | max 0.07 | max 0.04 | 11 - 14 | max 0.8 | 2 - 3 |
| [SCMnH41](/ko/재료/jis/scmnh41 "SCMnH41") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 11 - 14 | 0.3 - 0.9 | — |
| [SCW410](/ko/재료/jis/scw410 "SCW410") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | — |
| [SCW620](/ko/재료/jis/scw620 "SCW620") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | max 0.5 |
| [SC480](/ko/재료/jis/sc480 "SC480") | — | max 0.4 | max 0.04 | max 0.04 | — | — | — |
| [SCW520-CF](/ko/재료/jis/scw520-cf "SCW520-CF") | — | max 0.2 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | max 0.5 |
| [SCMn3](/ko/재료/jis/scmn3 "SCMn3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 1 - 1.6 | 0.3 - 0.6 | — |
| [SCPH2](/ko/재료/jis/scph2 "SCPH2") | — | max 0.3 | max 0.04 | max 0.04 | max 1 | max 0.6 | max 0.25 |
| [SCMnCr3](/ko/재료/jis/scmncr3 "SCMnCr3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.4 - 0.8 |
| [SCPH23](/ko/재료/jis/scph23 "SCPH23") | — | max 0.2 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | 1 - 1.5 |
| [SCMnM3](/ko/재료/jis/scmnm3 "SCMnM3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | max 0.2 |
| [SCPH1-CF](/ko/재료/jis/scph1-cf "SCPH1-CF") | — | max 0.22 | max 0.04 | max 0.04 | max 1.1 | max 0.6 | max 0.25 |
| [SCMnH1](/ko/재료/jis/scmnh1 "SCMnH1") | — | 0.9 - 1.3 | max 0.1 | max 0.05 | 11 - 14 | — | — |
| [SCPH32-CF](/ko/재료/jis/scph32-cf "SCPH32-CF") | — | max 0.15 | max 0.03 | max 0.03 | 0.3 - 0.6 | max 0.6 | 1.9 - 2.6 |
| [SCMnH3](/ko/재료/jis/scmnh3 "SCMnH3") | — | 0.9 - 1.2 | max 0.05 | max 0.035 | 11 - 14 | 0.3 - 0.8 | — |
| [SCMnH12](/ko/재료/jis/scmnh12 "SCMnH12") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 16 - 19 | 0.3 - 0.9 | 1.5 - 2.5 |
| [SCMnH33](/ko/재료/jis/scmnh33 "SCMnH33") | — | 0.7 - 1 | max 0.07 | max 0.045 | 13 - 15 | 0.3 - 0.6 | — |
| [SCPL31](/ko/재료/jis/scpl31 "SCPL31") | — | max 0.15 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | max 0.35 |
| [SCW550](/ko/재료/jis/scw550 "SCW550") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | max 0.5 |
| [SC450](/ko/재료/jis/sc450 "SC450") | — | max 0.35 | max 0.04 | max 0.04 | — | — | — |
| [SCW490-CF](/ko/재료/jis/scw490-cf "SCW490-CF") | — | max 0.2 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | — |
| [SCMn2](/ko/재료/jis/scmn2 "SCMn2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 1 - 1.6 | 0.3 - 0.6 | — |
| [SCMnCr2](/ko/재료/jis/scmncr2 "SCMnCr2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.4 - 0.8 |
| [SCPH22](/ko/재료/jis/scph22 "SCPH22") | — | max 0.25 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | 1 - 1.5 |
| [SCCrM1](/ko/재료/jis/sccrm1 "SCCrM1") | — | 0.2 - 0.3 | max 0.04 | max 0.04 | 0.5 - 0.8 | 0.3 - 0.6 | 0.8 - 1.2 |
| [SCPL1](/ko/재료/jis/scpl1 "SCPL1") | — | max 0.3 | max 0.04 | max 0.04 | max 1 | max 0.6 | max 0.25 |
| [SCNCrM2](/ko/재료/jis/scncrm2 "SCNCrM2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 0.9 - 1.5 | 0.3 - 0.6 | 0.3 - 0.9 |
| [SCPH21-CF](/ko/재료/jis/scph21-cf "SCPH21-CF") | — | max 0.15 | max 0.03 | max 0.03 | 0.3 - 0.6 | max 0.6 | 1 - 1.5 |
| [SCMnH2X2](/ko/재료/jis/scmnh2x2 "SCMnH2X2") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 11 - 14 | 0.3 - 0.9 | — |
| [SCMnH11X](/ko/재료/jis/scmnh11x "SCMnH11X") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 11 - 14 | 0.3 - 0.9 | 1.5 - 2.5 |
| [SCMnH32](/ko/재료/jis/scmnh32 "SCMnH32") | — | 0.75 - 1.35 | max 0.06 | max 0.045 | 11 - 14 | 0.3 - 0.9 | — |
| [SCPL21](/ko/재료/jis/scpl21 "SCPL21") | — | max 0.25 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | max 0.35 |
| [SCW480](/ko/재료/jis/scw480 "SCW480") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | max 0.5 |
| [SC410](/ko/재료/jis/sc410 "SC410") | — | max 0.3 | max 0.04 | max 0.04 | — | — | — |
| [SCW480-CF](/ko/재료/jis/scw480-cf "SCW480-CF") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | — |
| [SCC5](/ko/재료/jis/scc5 "SCC5") | — | 0.4 - 0.5 | max 0.04 | max 0.04 | 0.5 - 0.8 | 0.3 - 0.6 | — |
| [SCPH1](/ko/재료/jis/scph1 "SCPH1") | — | max 0.25 | max 0.04 | max 0.04 | max 0.7 | max 0.6 | max 0.25 |
| [SCMn5](/ko/재료/jis/scmn5 "SCMn5") | — | 0.4 - 0.5 | max 0.04 | max 0.04 | 1 - 1.6 | 0.3 - 0.6 | — |
| [SCPH21](/ko/재료/jis/scph21 "SCPH21") | — | max 0.2 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | 1 - 1.5 |
| [SCSiMn2](/ko/재료/jis/scsimn2 "SCSiMn2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 0.9 - 1.2 | 0.5 - 0.8 | — |
| [SCPH61](/ko/재료/jis/scph61 "SCPH61") | — | max 0.2 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.75 | 4 - 6.5 |
| [SCMnCrM3](/ko/재료/jis/scmncrm3 "SCMnCrM3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.3 - 0.7 |
| [SCPH11-CF](/ko/재료/jis/scph11-cf "SCPH11-CF") | — | max 0.2 | max 0.035 | max 0.035 | 0.3 - 0.6 | max 0.6 | max 0.35 |

 2쪽 중 1쪽[다음](/ko/%EB%B6%84%EB%A5%98/%EC%A3%BC%EA%B0%95/페이지/2 "다음")

## 이 카테고리를 다루는 규격

2

- [**JIS***59 강종*](/ko/재료/jis "JIS — 이 카테고리 내 59 강종")
- [**KS***4 강종*](/ko/재료/ks "KS — 이 카테고리 내 4 강종")

## 물성 범위

5

| 물성 | 단위 | 하한 | 상한 | 강종 수 |
|---|---|---|---|---|
| Rm | N/mm² | 360 | 880 | 49 |
| Re | N/mm² | 175 | 685 | 46 |
| A | % | 9 | 35 | 49 |
| Z | % | 15 | 35 | 30 |
| HB | — | 143 | 300 | 23 |

이 카테고리에서 값이 기록된 49 강종를 기준으로 산출.

## 화학 성분 범위

11

| 물성 | 단위 | 하한 | 상한 | 강종 수 |
|---|---|---|---|---|
| C | % | 0.15 | 1.35 | 59 |
| Si | % | 0.3 | 1 | 54 |
| P | % | 0.03 | 0.1 | 59 |
| S | % | 0.03 | 0.05 | 59 |
| V | % | 0.15 | 0.7 | 5 |
| Cr | % | 0.2 | 6.5 | 34 |
| Mn | % | 0.3 | 19 | 55 |
| Ni | % | 0.5 | 4 | 23 |
| Cu | % | 0.5 | 0.5 | 17 |
| Mo | % | 0.15 | 1.8 | 25 |
| W | % | 0.1 | 0.1 | 9 |

이 카테고리에서 값이 기록된 59 강종를 기준으로 산출.