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![Precipitation hardening steels](/images/uploads/8381ca7c-235c-4343-8803-a1e66538cba8/precipitation-hardening-steels-category-machined-aerospace-fitting-1920x1080.jpg)

Category · 1 grade

# Precipitation hardening steels

Precipitation hardening steels are alloy steels strengthened by forming fine precipitates during a controlled heat-treatment process. They are used for components that require high strength and hardness together with useful toughness and dimensional stability.

| Grade | Material no. | C | Si | P | S | V | Mn |
|---|---|---|---|---|---|---|---|
| [38MnSiVS5](/materials/din-en/38mnsivs5 "38MnSiVS5") | [1.5231](/materials/material-no/1.5231 "1.5231") | 0,35-0,40 | 0,50-0,80 | 0,035 | 0,030-0,065 | 0,08-0,13 | 1,20-1,50 |

## Standards covering this category

 1

- [**DIN / EN***1 grade*](/materials/din-en "DIN / EN — 1 grade in this category")

## Property ranges

 1

| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| rho | g/cm³ | 7.67 | 7.67 | 1 |

Derived from 1 grade in this category with a recorded value.

## Composition range

 6

| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| C | % | 0.35 | 0.4 | 1 |
| Si | % | 0.5 | 0.8 | 1 |
| P | % | 0.035 | 0.035 | 1 |
| S | % | 0.03 | 0.065 | 1 |
| V | % | 0.08 | 0.13 | 1 |
| Mn | % | 1.2 | 1.5 | 1 |

Derived from 1 grade in this category with a recorded value.

## Related guides

 2

- [**Case Hardening Methods for Steel**](/wiki/heat-treatment/case-hardening-methods-for-steel "Case Hardening Methods for Steel")
- [**Steel Tempering Response and Secondary Hardening**](/wiki/heat-treatment/steel-tempering-response-and-secondary-hardening "Steel Tempering Response and Secondary Hardening")