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Spring Steel

Thermal diffusion galvanizing is the ideal galvanising method for spring steel. A reduced process temperature means spring steel can be diffusion galvanized without any loss of properties.

The process makes hydrogen embrittlement technically impossible. The ductile properties of the coating mean no cracks can form in the coating when it moves to provide elasticity.

Thermal diffusion galvanized spring steel products include small springs used in mechanical engineering industry, pressure springs used in railway line construction or in train wagons, tension pins in the automotive industry and rods up to a length of two metres for conveyor belts used in the agricultural sector.

The shot blasting and stress relieving performed during the coating process increases the fatigue performance of springs and hence their service life.