A pile of precision-machined steel gears

Solutions · Superior materials

Advanced steel grades, built for the long run.

We develop steel grades tailored to the production of robust, sustainably manufactured wheelsets.

A row of finished railway wheelsets on a factory floor

Our approach

Raising the standard of rail safety, one wheelset at a time.

At Sumcor, we take pride in elevating the standards of railway safety and sustainability, beginning with the wheel.

Our work in product design, material innovation, engineering, AI-powered services and lean manufacturing is led by a highly skilled, motivated team dedicated to shaping the future of transportation.

Our focus

What better materials deliver

Engineering the steel itself pays off across the whole life of the wheelset.

Improved safety

Higher safety margins through superior material engineering.

Longer product life

Extended durability for long-term operational efficiency.

Competitive prices

Cost-effective solutions without compromising quality.

Affordable maintenance

Lower maintenance costs through intelligent design.

Quality begins with steel

From raw iron to a quality seal

160

Years of steel expertise and manufacturing know-how

Iron, one of the most abundant elements on Earth, goes through a substantial transformation before it becomes the steel in our wheels, wheelsets and axles. We continually refine the chemical composition of the metal and innovate in heat treatment, so every product carries our quality seal.

Drawing on 160 years of steel expertise and manufacturing know-how, we tailor wheelsets to specific applications and environmental conditions rather than offering pre-made solutions. The result: high wear resistance, exceptional toughness and longer intervals between reprofiling.

Material design vs material selection

Material is where the design begins, not where it ends.

The conventional approach treats material as the last step: pick the standard, most economical grade once the design is done. At Sumcor, material design is a foundational part of our engineering process.

We start by identifying the objectives to be met, viewing design as the interplay between a product's shape, its material properties and its manufacturing process.