Hot-rolled steel strip for lightweight automotive design
Innovative solutions in lightweight automotive design require more and more complex component geometries with continually increasing demands on formability. voestalpine has developed a wide range of high-strength hot-rolled steels for the automotive industry in order to be able to reliably and economically manufacture stamped, cold-formed components.
They surpass the standards by far
The hot-rolled drive product family comprises complex-phase, micro-alloyed and ferritic-bainitic steels. They meet the required mechanical properties pursuant to VDA 239-100 and exhibit above-average processing properties. With thicknesses of up to 6 mm, they extend the thickness range beyond cold-rolled ahss steels.
Extensive experience and expertise
In the development of hot-rolled drive, voestalpine combines the years of experience gained during the development and launch of ahss cold-rolled strip for the automotive industry with material and processing expertise in the production of high-strength and ultra-high-strength hot-rolled strip steels for the machinery and crane industries. The result is the perfect combination of high strength and excellent cold formability.
The hot-rolled drive plus for advanced properties
Ideal for complex components with sheet thicknesses beginning at 2 mm
Excellent for bending and deep-drawing operations
Very good edge formability and high resistance to edge cracking
Ideal for punched edges and punched holes
Best cutting and punching properties
Very easy to weld as a result of low C equivalent
Available in uncoated or hot-dip galvanized condition
Highly economical application
The processing properties of hot-rolled drive steels far exceed those of the standard, enabling them to be economically manufactured by cold forming. They are recommended for the following:
Chassis components, e.g. steering parts, axle tubes
Crash components, e.g. bumpers, lateral impact protection, roll bars, impact plates, battery box frames
Seat components (adjustment mechanisms)
Structural and reinforcement components (side members or consoles) and hinges
Passenger safety systems, e.g. belt tightener housings
Superior quality made by voestalpine
Hot-rolled drive steels were developed using innovative simulation equipment and are manufactured in state-of-the-art production facilities with the highest quality standards and narrowest thickness tolerances. We offer our comprehensive support to our customers and provide them with material characteristics, test samples or material for prototype production and provide assistance throughout the approval process.
Our range of supplies and services is continually growing.
Available steel grades that meet the requirements of VDA 239-100 are HR750Y950T-CP, HR440Y580T-FB, HR700LAS and other microalloyed steels. Additional products are being developed with a focus on strength and processability as well as the possibility of individual adaptations based on the needs of our customers.
| EN 10338 and EN 10346 | VDA 239-100 | voestalpine special grades |
| - | HR300LA / HR300LAS | - |
| - | HR340LA / HR340LAS | - |
| - | HR380LA / HR380LAS | - |
| - | HR420LA / HR420LAS | - |
| - | HR460LA / HR460LAS | - |
| - | HR500LA / HR500LAS | - |
| - | HR550LA / HR550LAS | - |
| - | HR600LA | HR600LAS |
| - | HR700LA / HR700LAS | - |
| - | - | DP600LCT |
| HDT580F | HR440Y580T-FB | - |
| HDT760C bzw. HDT750C | HR660Y760T-CP | MP800 |
| - | HR750Y950T-CP | - |
| - | HR900Y1180T-MS | - |
Precisely the best: voestalpine thickness tolerances
voestalpine guarantees the tightest thickness tolerances for hot-rolled steel strip across the entire strip width and length. The precise advantages are convincing.
