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

Category · 59 grades

# Cast steel

Cast steel is a ferrous material produced by pouring steel into moulds to form components. It combines the shape-making flexibility of casting with the strength and toughness associated with steel, making it suitable for complex, heavily loaded parts such as machinery components, structural castings and industrial equipment.

| Grade | Material no. | C | P | S | Si | Mn | Cr |
|---|---|---|---|---|---|---|---|
| [SCMnH4](/materials/jis/scmnh4 "SCMnH4") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 0.3 - 0.9 | 16 - 19 | — |
| [SCMnH21](/materials/jis/scmnh21 "SCMnH21") | — | 1 - 1.35 | max 0.07 | max 0.04 | max 0.8 | 11 - 14 | 2 - 3 |
| [SCMnH41](/materials/jis/scmnh41 "SCMnH41") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 0.3 - 0.9 | 11 - 14 | — |
| [SCW410](/materials/jis/scw410 "SCW410") | — | max 0.22 | max 0.04 | max 0.04 | max 0.8 | max 1.5 | — |
| [SCW620](/materials/jis/scw620 "SCW620") | — | max 0.22 | max 0.04 | max 0.04 | max 0.8 | max 1.5 | max 0.5 |
| [SC480](/materials/jis/sc480 "SC480") | — | max 0.4 | max 0.04 | max 0.04 | — | — | — |
| [SCW520-CF](/materials/jis/scw520-cf "SCW520-CF") | — | max 0.2 | max 0.04 | max 0.04 | max 0.8 | max 1.5 | max 0.5 |
| [SCMn3](/materials/jis/scmn3 "SCMn3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 0.3 - 0.6 | 1 - 1.6 | — |
| [SCPH11](/materials/jis/scph11 "SCPH11") | — | max 0.25 | max 0.04 | max 0.04 | max 0.6 | 0.5 - 0.8 | max 0.35 |

 [Previous](/categories/cast-steel "Previous") Page 2 of 2

## Standards covering this category

 2

- [**JIS***59 grades*](/materials/jis "JIS — 59 grades in this category")
- [**KS***4 grades*](/materials/ks "KS — 4 grades in this category")

## Property ranges

 5

| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| Rm | N/mm² | 360 | 880 | 49 |
| Re | N/mm² | 175 | 685 | 46 |
| A | % | 9 | 35 | 49 |
| Z | % | 15 | 35 | 30 |
| HB | — | 143 | 300 | 23 |

Derived from 49 grades in this category with a recorded value.

## Composition range

 11

| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| 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 |

Derived from 59 grades in this category with a recorded value.