Gear steel for the wind power industry

The blade tips of the 154 meter long rotor blades on the largest wind turbines rotate at 290 kilometres per hour. And the trend is moving towards even more powerful and larger wind turbines. Each time the rotors are extended, the weight increases – particularly the weight of the nacelles, where the gear and the generators are stored. Enormous forces are released when the gigantic rotors are moved by the wind.

These forces place extremely high demands on the material and on the gears and gear steel in particular. The material used must be highly durable, must withstand extremely high pressure loads and be able to cope with severe temperature fluctuations. New wind turbines therefore require a higher quality steel, which also enables a lighter construction. Developing steels like this is a strength of Buderus Edelstahl.

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