SSAB Green Buffers wins Swedish Steel Prize 2023

Green Buffers from Sweden won the Swedish Steel Prize 2023 for their use of energy-absorbing steel to make trains safer and more economical.

New generation train coupling technology
Existing crash management systems for trains are primitive. Safety standards are based on technology from the 1960s or 1970s and even minor accidents result in derailments. This is where Roger Danielsson and his colleagues at Green Buffers saw room for improvement. Inspired by the automotive industry, they have developed an energy dissipation system based on high-strength steel that makes train travel safer for passengers and more economical for operators.

The system consists of twelve deformable units mounted in the coupling interfaces throughout the entire train set. In a collision the Strenx^® 700 MC steel profiles in the units fold like an accordion, absorbing the impact of the shock in less than a second. By averting the initial peak force and by minimizing all other peak forces, energy from a collision is distributed in a controlled manner.

With their innovative system and their ambitious goal – zero uncontrolled derailments related to train accidents, Green Buffers have the potential to revolutionize train safety.

The runners-up
Runners-up DigJim from Norway, Gestamp from Spain, and Levistor from Great Britain and ZOOZ from Israel (shared nomination) were also celebrated at the award ceremony in Stockholm, Sweden on May 11.

Rewarding steel innovations
The Swedish Steel Prize celebrates engineering, cooperation and steel innovations that lead to a better and more sustainable world. The winner receives a diploma, a statuette by the sculptor Jörg Jeschke and intense media exposure. In conjunction with the Swedish Steel Prize 2023, SSAB will make a SEK 100,000 donation to UNICEF in support of their efforts to provide quality education and learning opportunities to children and adolescents worldwide.

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