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![Low-temperature steels](/images/uploads/050edcf7-b335-4856-9bd9-dc415d368fd2/low-temperature-steels-category-cryogenic-vessel-shell-1920x1080.jpg)

Category · 4 grades

# Low-temperature steels

Low-temperature steels are steels designed to retain toughness and resist brittle fracture at low service temperatures. They are used for equipment and structures exposed to cold or cryogenic conditions, where reliable impact resistance is important.

| Grade | Material no. | C | Si | P | S | Cr | Mn |
|---|---|---|---|---|---|---|---|
| [X 10 CrNiTi 18 10](/materials/din-en/x-10-crniti-18-10 "X 10 CrNiTi 18 10") | [1.6903](/materials/material-no/1.6903 "1.6903") | ≤0,10 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | ≤2,00 |
| [X3CrNiN18-10](/materials/din-en/x3crnin18-10 "X3CrNiN18-10") | [1.6907](/materials/material-no/1.6907 "1.6907") | ≤0,04 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | ≤2,00 |
| [X5CrMnNiN18-9](/materials/din-en/x5crmnnin18-9 "X5CrMnNiN18-9") | [1.6909](/materials/material-no/1.6909 "1.6909") | ≤0,07 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | 7,50-9,50 |
| [X3CrNiMoN18-14](/materials/din-en/x3crnimon18-14 "X3CrNiMoN18-14") | [1.6967](/materials/material-no/1.6967 "1.6967") | ≤0,04 | ≤1,00 | 0,045 | 0,03 | 16,5-18,5 | ≤2,00 |

## Standards covering this category

 7

- [**DIN / EN***4 grades*](/materials/din-en "DIN / EN — 4 grades in this category")
- [**AISI / SAE***2 grades*](/materials/aisi-sae "AISI / SAE — 2 grades in this category")
- [**UNS***1 grade*](/materials/uns "UNS — 1 grade in this category")
- [**ASTM***1 grade*](/materials/astm "ASTM — 1 grade in this category")
- [**JIS***1 grade*](/materials/jis "JIS — 1 grade in this category")
- [**GB***1 grade*](/materials/gb "GB — 1 grade in this category")
- [**ČSN***1 grade*](/materials/csn "ČSN — 1 grade 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

 9

| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| C | % | 0.04 | 0.1 | 4 |
| N | % | 0.1 | 0.3 | 3 |
| Si | % | 1 | 1 | 4 |
| P | % | 0.045 | 0.045 | 4 |
| S | % | 0.03 | 0.03 | 4 |
| Cr | % | 16.5 | 19 | 4 |
| Mn | % | 2 | 9.5 | 4 |
| Ni | % | 4.5 | 15 | 4 |
| Mo | % | 0.5 | 3 | 2 |

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

## Related guides

 2

- [**Steel Thermal Expansion and Temperature-Dependent Properties**](/wiki/calculated-values/steel-thermal-expansion-and-temperature-dependent-properties "Steel Thermal Expansion and Temperature-Dependent Properties")
- [**Steel Creep, Stress Rupture, and Long-Term High-Temperature Performance**](/wiki/reading-a-datasheet/steel-creep-stress-rupture-and-long-term-high-temperature-performance "Steel Creep, Stress Rupture, and Long-Term High-Temperature Performance")