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title: "冷間押出用鋼 — 化学成分つき 156 鋼種 — 2ページ目"
description: "冷間押出用鋼は、冷間成形および押出しによって部品に加工するために設計された機械構造用材料である。大きな塑性変形に必要な延性と、冷間…"
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![冷間押出用鋼](/images/uploads/975d5481-ccda-41cd-ae59-c6ed6b908d03/cold-extrusion-steels-category-extruded-slugs-1920x1080.jpg)

カテゴリー · 156 鋼種

# 冷間押出用鋼

冷間押出用鋼は、冷間成形および押出しによって部品に加工するために設計された機械構造用材料である。大きな塑性変形に必要な延性と、冷間成形ファスナー、自動車部品その他の精密部品に必要な強度および靭性を兼ね備えている。

| 鋼種 | 材料番号 | C | P | S | Mn | Si | Cr |
|---|---|---|---|---|---|---|---|
| [SWRCH25A](/ja/材料/jis/swrch25a "SWRCH25A") | — | 0.22 - 0.28 | max 0.03 | max 0.035 | 0.3 - 0.6 | max 0.1 | max 0.2 |
| [SCM435HRCH](/ja/材料/jis/scm435hrch "SCM435HRCH") | — | 0.32 - 0.39 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| [SWCHB420](/ja/材料/jis/swchb420 "SWCHB420") | — | 0.17 - 0.23 | max 0.03 | max 0.03 | 0.8 - 1.1 | 0.1 - 0.35 | — |
| [SWCH15K](/ja/材料/jis/swch15k "SWCH15K") | — | — | — | — | — | — | — |
| [SWRCH16K](/ja/材料/jis/swrch16k "SWRCH16K") | — | 0.13 - 0.18 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| [SCM445HRCH](/ja/材料/jis/scm445hrch "SCM445HRCH") | — | 0.42 - 0.49 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| [SWCHB726](/ja/材料/jis/swchb726 "SWCHB726") | — | 0.23 - 0.29 | max 0.03 | max 0.03 | 1.2 - 1.5 | 0.1 - 0.35 | — |
| [SWCH20K](/ja/材料/jis/swch20k "SWCH20K") | — | — | — | — | — | — | — |
| [SWRCH22K](/ja/材料/jis/swrch22k "SWRCH22K") | — | 0.18 - 0.23 | max 0.03 | max 0.035 | 0.7 - 1 | 0.1 - 0.35 | max 0.2 |
| [SNC415HRCH](/ja/材料/jis/snc415hrch "SNC415HRCH") | — | 0.11 - 0.18 | max 0.03 | max 0.03 | 0.3 - 0.7 | 0.15 - 0.35 | 0.2 - 0.55 |
| [SMn433RCH](/ja/材料/jis/smn433rch "SMn433RCH") | — | 0.3 - 0.36 | max 0.03 | max 0.03 | 1.2 - 1.5 | 0.15 - 0.35 | max 0.35 |
| [SWCH27K](/ja/材料/jis/swch27k "SWCH27K") | — | — | — | — | — | — | — |
| [SWRCH30K](/ja/材料/jis/swrch30k "SWRCH30K") | — | 0.27 - 0.33 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| [SNC815HRCH](/ja/材料/jis/snc815hrch "SNC815HRCH") | — | 0.11 - 0.18 | max 0.03 | max 0.03 | 0.3 - 0.7 | 0.15 - 0.35 | 0.55 - 1.05 |
| [SMn443RCH](/ja/材料/jis/smn443rch "SMn443RCH") | — | 0.4 - 0.46 | max 0.03 | max 0.03 | 1.35 - 1.65 | 0.15 - 0.35 | max 0.35 |
| [SWCH38K](/ja/材料/jis/swch38k "SWCH38K") | — | — | — | — | — | — | — |
| [SWRCH40K](/ja/材料/jis/swrch40k "SWRCH40K") | — | 0.37 - 0.43 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| [SNCM420RCH](/ja/材料/jis/sncm420rch "SNCM420RCH") | — | 0.17 - 0.23 | max 0.03 | max 0.03 | 0.4 - 0.7 | 0.15 - 0.35 | 0.4 - 0.6 |
| [SCr415RCH](/ja/材料/jis/scr415rch "SCr415RCH") | — | 0.13 - 0.18 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.9 - 1.2 |
| [SWCH45K](/ja/材料/jis/swch45k "SWCH45K") | — | — | — | — | — | — | — |
| [SWRCH48K](/ja/材料/jis/swrch48k "SWRCH48K") | — | 0.45 - 0.51 | max 0.03 | max 0.035 | 0.6 - 0.9 | 0.1 - 0.35 | max 0.2 |
| [SNCM616RCH](/ja/材料/jis/sncm616rch "SNCM616RCH") | — | 0.13 - 0.2 | max 0.03 | max 0.03 | 0.8 - 1.2 | 0.15 - 0.35 | 1.4 - 1.8 |
| [SCr430RCH](/ja/材料/jis/scr430rch "SCr430RCH") | — | 0.28 - 0.33 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.9 - 1.2 |
| [SWRCHB320](/ja/材料/jis/swrchb320 "SWRCHB320") | — | 0.17 - 0.23 | max 0.03 | max 0.03 | 0.7 - 1 | 0.1 - 0.35 | — |
| [SWCH12R](/ja/材料/jis/swch12r "SWCH12R") | — | — | — | — | — | — | — |
| [SWRCH10R](/ja/材料/jis/swrch10r "SWRCH10R") | — | 0.08 - 0.13 | max 0.04 | max 0.04 | 0.3 - 0.6 | — | max 0.2 |
| [SCr435HRCH](/ja/材料/jis/scr435hrch "SCr435HRCH") | — | 0.32 - 0.39 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| [SWRCHB334](/ja/材料/jis/swrchb334 "SWRCHB334") | — | 0.31 - 0.37 | max 0.03 | max 0.03 | 0.7 - 1 | 0.1 - 0.35 | — |
| [SWCH6A](/ja/材料/jis/swch6a "SWCH6A") | — | — | — | — | — | — | — |
| [SWRCH6A](/ja/材料/jis/swrch6a "SWRCH6A") | — | max 0.08 | max 0.03 | max 0.035 | max 0.6 | max 0.1 | max 0.2 |
| [SCM415HRCH](/ja/材料/jis/scm415hrch "SCM415HRCH") | — | 0.12 - 0.18 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| [SWRCHB623](/ja/材料/jis/swrchb623 "SWRCHB623") | — | 0.2 - 0.26 | max 0.03 | max 0.03 | 1.1 - 1.4 | 0.1 - 0.35 | — |
| [SWCH15A](/ja/材料/jis/swch15a "SWCH15A") | — | — | — | — | — | — | — |
| [SWRCH16A](/ja/材料/jis/swrch16a "SWRCH16A") | — | 0.13 - 0.18 | max 0.03 | max 0.035 | 0.6 - 0.9 | max 0.1 | max 0.2 |
| [SCM420HRCH](/ja/材料/jis/scm420hrch "SCM420HRCH") | — | 0.17 - 0.23 | max 0.03 | max 0.03 | 0.55 - 0.95 | 0.15 - 0.35 | 0.85 - 1.25 |
| [SWCHB237](/ja/材料/jis/swchb237 "SWCHB237") | — | 0.34 - 0.4 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.1 - 0.35 | — |
| [SWCH20A](/ja/材料/jis/swch20a "SWCH20A") | — | — | — | — | — | — | — |
| [SWRCH22A](/ja/材料/jis/swrch22a "SWRCH22A") | — | 0.18 - 0.23 | max 0.03 | max 0.035 | 0.7 - 1 | max 0.1 | max 0.2 |
| [SCM435RCH](/ja/材料/jis/scm435rch "SCM435RCH") | — | 0.33 - 0.38 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.9 - 1.2 |
| [SWCHB334](/ja/材料/jis/swchb334 "SWCHB334") | — | 0.31 - 0.37 | max 0.03 | max 0.03 | 0.7 - 1 | 0.1 - 0.35 | — |
| [SWCH12K](/ja/材料/jis/swch12k "SWCH12K") | — | — | — | — | — | — | — |
| [SWRCH15K](/ja/材料/jis/swrch15k "SWRCH15K") | — | 0.13 - 0.18 | max 0.03 | max 0.035 | 0.3 - 0.6 | 0.1 - 0.35 | max 0.2 |
| [SCM445RCH](/ja/材料/jis/scm445rch "SCM445RCH") | — | 0.43 - 0.48 | max 0.03 | max 0.03 | 0.6 - 0.9 | 0.15 - 0.35 | 0.9 - 1.2 |
| [SWCHB623](/ja/材料/jis/swchb623 "SWCHB623") | — | 0.2 - 0.26 | max 0.03 | max 0.03 | 1.1 - 1.4 | 0.1 - 0.35 | — |
| [SWCH18K](/ja/材料/jis/swch18k "SWCH18K") | — | — | — | — | — | — | — |
| [SWRCH20K](/ja/材料/jis/swrch20k "SWRCH20K") | — | 0.18 - 0.23 | max 0.03 | max 0.035 | 0.3 - 0.6 | 0.1 - 0.35 | max 0.2 |
| [SNC415RCH](/ja/材料/jis/snc415rch "SNC415RCH") | — | 0.12 - 0.18 | max 0.03 | max 0.03 | 0.35 - 0.65 | 0.15 - 0.35 | 0.2 - 0.5 |
| [SMn420HRCH](/ja/材料/jis/smn420hrch "SMn420HRCH") | — | 0.16 - 0.23 | max 0.03 | max 0.03 | 1.15 - 1.55 | 0.15 - 0.35 | max 0.35 |
| [SWCH25K](/ja/材料/jis/swch25k "SWCH25K") | — | — | — | — | — | — | — |
| [SWRCH27K](/ja/材料/jis/swrch27k "SWRCH27K") | — | 0.22 - 0.29 | max 0.03 | max 0.035 | 1.2 - 1.5 | 0.1 - 0.35 | max 0.2 |

 [前へ](/ja/%E3%82%AB%E3%83%86%E3%82%B4%E3%83%AA%E3%83%BC/%E5%86%B7%E9%96%93%E6%8A%BC%E5%87%BA%E7%94%A8%E9%8B%BC "前へ")4 ページ中 2 ページ[次へ](/ja/%E3%82%AB%E3%83%86%E3%82%B4%E3%83%AA%E3%83%BC/%E5%86%B7%E9%96%93%E6%8A%BC%E5%87%BA%E7%94%A8%E9%8B%BC/ページ/3 "次へ")

## このカテゴリを扱う規格

8

- [**JIS***152 鋼種*](/ja/材料/jis "JIS — このカテゴリ内 152 鋼種")
- [**KS***49 鋼種*](/ja/材料/ks "KS — このカテゴリ内 49 鋼種")
- [**DIN / EN***6 鋼種*](/ja/材料/din-en "DIN / EN — このカテゴリ内 6 鋼種")
- [**UNS***4 鋼種*](/ja/材料/uns "UNS — このカテゴリ内 4 鋼種")
- [**AISI / SAE***4 鋼種*](/ja/材料/aisi-sae "AISI / SAE — このカテゴリ内 4 鋼種")
- [**GOST***4 鋼種*](/ja/材料/gost "GOST — このカテゴリ内 4 鋼種")
- [**GB***3 鋼種*](/ja/材料/gb "GB — このカテゴリ内 3 鋼種")
- [**AS / NZS***1 鋼種*](/ja/材料/as-nzs "AS / NZS — このカテゴリ内 1 鋼種")

## 物性の範囲

18

| 物性 | 単位 | 下限 | 上限 | 鋼種数 |
|---|---|---|---|---|
| Rm | N/mm² | 290 | 1076 | 48 |
| Re | N/mm² | 225 | 958 | 4 |
| A | % | 17 | 30 | 3 |
| A5 | % | 6 | 30 | 4 |
| Z | % | 30 | 55 | 48 |
| KCU | kJ/m² | 150 | 400 | 1 |
| HB | — | 121 | 255 | 3 |
| HRB | — | 80 | 97 | 37 |
| rho | g/cm³ | 7.549 | 7.9 | 6 |
| E | GPa | 152 | 217 | 4 |
| alpha | 10^-6/K | 11.9 | 15.3 | 3 |
| lambda | W/(m·K) | 26 | 56.1 | 4 |
| cp | J/(kg·K) | 465 | 720 | 3 |
| rho\_el | nΩ·m | 233 | 1156 | 2 |
| Ac1 | °C | 730 | 810 | 4 |
| Ac3 | °C | 755 | 950 | 4 |
| Ar3 | °C | 690 | 840 | 4 |
| Ar1 | °C | 680 | 780 | 4 |

このカテゴリ内で値が記録されている48 鋼種から算出。

## 化学成分の範囲

11

| 物性 | 単位 | 下限 | 上限 | 鋼種数 |
|---|---|---|---|---|
| B | % | 0.0008 | 0.0008 | 24 |
| C | % | 0.08 | 0.53 | 118 |
| Al | % | 0.02 | 0.02 | 10 |
| Si | % | 0.1 | 0.4 | 112 |
| P | % | 0.025 | 0.04 | 118 |
| S | % | 0.025 | 0.04 | 118 |
| Cr | % | 0.2 | 1.8 | 90 |
| Mn | % | 0.3 | 1.7 | 118 |
| Ni | % | 0.2 | 3.5 | 88 |
| Cu | % | 0.25 | 0.3 | 92 |
| Mo | % | 0.15 | 0.6 | 25 |

このカテゴリ内で値が記録されている118 鋼種から算出。