
Dual phase steels
Dual phase steels are steels with a ferritic matrix containing a dispersed martensitic phase. This combination provides a balance of strength, ductility and formability, making them suitable for formed structural and safety components, especially in vehicle bodies.
| Grade | Material no. | B | C | Al | Si | P | S |
|---|---|---|---|---|---|---|---|
| HCT500X | 1.0939 | ≤0,005 | ≤0,14 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
| HCT600X | 1.0941 | ≤0,005 | ≤0,17 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
| HCT780X | 1.0943 | ≤0,005 | ≤0,18 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
| HCT980X | 1.0944 | ≤0,005 | ≤0,23 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
Standards covering this category
1Property 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
8| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| B | % | 0.005 | 0.005 | 4 |
| C | % | 0.14 | 0.23 | 4 |
| Al | % | 2 | 2 | 4 |
| Si | % | 0.8 | 0.8 | 4 |
| P | % | 0.08 | 0.08 | 4 |
| S | % | 0.015 | 0.015 | 4 |
| V | % | 0.2 | 0.2 | 4 |
| Mn | % | 2 | 2.5 | 4 |
Derived from 4 grades in this category with a recorded value.






