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title: "Phosphorus alloyed steels — 4 grades with composition"
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![Phosphorus alloyed steels](/images/uploads/60276545-a672-4c8b-98ce-0b650fdd3195/phosphorus-alloyed-steels-category-thin-sheet-stack-1920x1080.jpg)

Category · 4 grades

# Phosphorus alloyed steels

Phosphorus-alloyed steels are steels in which phosphorus is used as a deliberate alloying element. They are characterised by phosphorus-assisted strength and machinability, and are used for components where these properties support efficient manufacturing and service performance.

| Grade | Material no. | C | Al | Si | P | S | Mn |
|---|---|---|---|---|---|---|---|
| [HC 180 P](/materials/din-en/hc-180-p "HC 180 P") | [1.0342](/materials/material-no/1.0342 "1.0342") | ≤0,05 | ≥0,015 | ≤0,40 | 0,08 | 0,025 | ≤0,60 |
| [H 220 P](/materials/din-en/h-220-p "H 220 P") | [1.0397](/materials/material-no/1.0397 "1.0397") | ≤0,07 | ≥0,015 | ≤0,50 | 0,08 | 0,025 | ≤0,70 |
| [H 260 P](/materials/din-en/h-260-p "H 260 P") | [1.0417](/materials/material-no/1.0417 "1.0417") | ≤0,08 | ≥0,015 | ≤0,50 | 0,1 | 0,025 | ≤0,70 |
| [H 300 P](/materials/din-en/h-300-p "H 300 P") | [1.0448](/materials/material-no/1.0448 "1.0448") | ≤0,10 | ≥0,015 | ≤0,50 | 0,12 | 0,025 | ≤0,70 |

## Standards covering this category

 1

- [**DIN / EN***4 grades*](/materials/din-en "DIN / EN — 4 grades in this category")

## Property ranges

 1

| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| rho | g/cm³ | 7.85 | 7.85 | 4 |

Derived from 4 grades in this category with a recorded value.

## Composition range

 6

| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| C | % | 0.05 | 0.1 | 4 |
| Al | % | 0.015 | 0.015 | 4 |
| Si | % | 0.4 | 0.5 | 4 |
| P | % | 0.08 | 0.12 | 4 |
| S | % | 0.025 | 0.025 | 4 |
| Mn | % | 0.6 | 0.7 | 4 |

Derived from 4 grades in this category with a recorded value.