Complex phase steels
Complex phase steels are advanced high-strength steels with a finely engineered multiphase microstructure. They combine high strength with useful formability and are used for lightweight automotive structural and safety components where resistance to deformation is important.
| Grade | Material no. | B | C | Al | Si | P | S |
|---|---|---|---|---|---|---|---|
| HCT600C | 1.0953 | ≤0,005 | ≤0,18 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
| HCT780C | 1.0954 | ≤0,005 | ≤0,18 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
| HCT980C | 1.0955 | ≤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 | 3 |
Derived from 3 grades in this category with a recorded value.
Composition range
8| Property | Unit | Min | Max | Grades |
|---|---|---|---|---|
| B | % | 0.005 | 0.005 | 3 |
| C | % | 0.18 | 0.23 | 3 |
| Al | % | 2 | 2 | 3 |
| Si | % | 0.8 | 0.8 | 3 |
| P | % | 0.08 | 0.08 | 3 |
| S | % | 0.015 | 0.015 | 3 |
| V | % | 0.2 | 0.22 | 3 |
| Mn | % | 2.2 | 2.2 | 3 |
Derived from 3 grades in this category with a recorded value.