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 | 1.6903 | ≤0,10 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | ≤2,00 |
| X3CrNiN18-10 | 1.6907 | ≤0,04 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | ≤2,00 |
| X5CrMnNiN18-9 | 1.6909 | ≤0,07 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | 7,50-9,50 |
| X3CrNiMoN18-14 | 1.6967 | ≤0,04 | ≤1,00 | 0,045 | 0,03 | 16,5-18,5 | ≤2,00 |
Standards covering this category
7Property 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.