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High Thermal Conductivity Steel – Thermodur® 2383 Supercool – in the HPDC Injection System: Research and Innovation.
On Monday, September 30, 2024, at the NADCA Die Casting Congress & Exposition 2024 in Indianapolis, Andrea Magistrelli of Bonomi Acciai presented the paper “High Thermal Conductivity Steel – Thermodur® 2383 Supercool – in the HPDC Injection System,” a contribution that generated significant interest within the international technical community.
The paper is the result of a team effort that highlights the close collaboration between Bonomi Acciai and our production partner. Andrea Magistrelli (Bonomi Acciai) presented the work, which was co-authored with Daniel Frie, Lukas Henke, and Lukas Schlund of Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG. This research project, dedicated to optimizing the thermal management of dies in high-pressure die casting (HPDC), remains a benchmark today and demonstrates Bonomi Acciai’s ongoing commitment to bringing tangible innovation to the sector.
Abstract of the Paper “High Thermal Conductivity Steel – Thermodur® 2383 Supercool – in the HPDC Injection System”
Hot-work tool steels have been developed for high-pressure die casting (HPDC) to handle the various challenges that arise. These steels are typically characterized by well-balanced properties such as high-temperature resistance and toughness. However, some critical areas of HPDC molds require high heat removal to ensure high-quality aluminum alloy products and sustainable, cost-effective productivity. Therefore, the market demands new hot-work tool steels to improve heat transfer during the casting process.
Thermodur® 2383 Supercool is a new development with high thermal conductivity, specifically for HPDC applications. The steel is designed to increase productivity by reducing cycle times while maintaining mold life. While chromium, which reduces thermal conductivity, has been avoided, important alloying elements such as molybdenum and vanadium are included. It is characterized by excellent heat resistance and thermal conductivity. The thermal conductivity of Thermodur® 2383 Supercool exceeds that of conventional steels like H13 or 1.2367. The steel’s thermal fatigue resistance is also outstanding; it shows few cracks after extended thermal cycles, which leads to a longer tool life.
From Research to Innovation
Thermodur® 2383 Supercool steel was developed to meet the demands of an increasingly competitive industry. Thanks to its high thermal conductivity and excellent resistance to thermal shock, this steel makes it possible to:
- Improve temperature management within the dies.
- Reduce cycle times.
- Increase productivity.
- Ensure superior quality in castings without compromising the service life of the equipment.
A Contribution that Remains Relevant
Revisiting the paper’s content today reaffirms that research is not an isolated event but an integral part of Bonomi Acciai’s strategy: to develop solutions that have a real and measurable impact on industrial production.
Presenting scientific contributions at international venues like the NADCA congress also creates a bridge between academic research and practical applications, making experience and results available to the industry.
Research in die casting requires technical knowledge, innovative materials, and the ability to turn study into concrete solutions. Bonomi Acciai, the Italian partner of Swiss Steel Group, continues to support die-makers, designers, and foundries with scientific contributions that become applied innovation.
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