Stainless steel brake disk from Fraunhofer IWU for Euro 7

Brake Disks Fraunhofer Project Presents Stainless Steel Brake Disk for Euro-7

2026-05-11 From Berit Klotz 1 min Reading Time

The new stainless steel brake disk developed by Fraunhofer IWU is designed to meet new EU standards. It is considerably more durable than cast iron discs.

The "Ufo-Brems" project was funded by the Federal Ministry for Economic Affairs and Energy and coordinated by Project Management Jülich.(Image: TU Chemnitz) — The "Ufo-Brems" project was funded by the Federal Ministry for Economic Affairs and Energy and coordinated by Project Management Jülich.
(Image: TU Chemnitz)

From the end of 2027, the Euro 7 standard will introduce limit values for particulate matter from tire and brake wear for all newly registered cars and vans. The fine dust particles should be less than ten micrometers in size. Fraunhofer IWU is presenting a stainless steel brake disk that should easily fall below this rule. Due to the low wear of stainless steel (85 percent reduction compared to current technology), the brake disk has a life expectancy of up to 186,000 miles.

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