Ovako Introduces Hybrid Steel® at Euromat 2017 -event
This week at the Euromat 2017 congress, Ovako has introduced a new innovative steel family that challenges traditional steel categorizations – Hybrid Steel. It offers properties of tool steel, maraging steel and stainless steel, combined with the production economy of engineering steel. It is set to enable customers to achieve exceptional performance and help reduce production costs.
- By using a new alloying philosophy we have created a steel that has three times the yield and tensile strength of conventional steel at temperatures up to 500 ° C. These properties are ideal for a wide variety of highly-stressed applications such as engine components, bearings, and tools for various purposes, says Marcus Hedblom, President and CEO at Ovako.
Because Hybrid Steel develops its full properties trough heat treatment at temperatures that cause a very low distortion, manufacturers will be able to adopt new, more efficient processes that eliminate a number of stages. For example, a component might be machined to its final dimensions in a softer condition and then heat treated to achieve its full strength, a route that could offer a significant reduction in manufacturing cost and complexity.
Hybrid Steel takes its name from the simultaneous hardening by both carbides and intermetallic precipitations.
- In this hybrid steel you combine both mechanisms and indeed the properties are very good, and in particular the material maintains them at elevated temperatures, says John Ågren, Professor in physical metallurgy at Royal Institute of Technology, Stockholm.
The development of Hybrid Steel has been carried out at Ovako’s R&D facilities in Hofors. Prototype test programs are already underway with a number of component manufacturers.
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