Materials

Materials used by weight or volume

The main materials used in Wärtsilä products are various metals: cast iron, alloy and structural steel, aluminium alloys, and bronze. In 2017, the total material usage was 73 738 tons (84 913). The major material groups were various metals 75%, sand 18%, and various chemicals 2%.
 



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Recycled input materials

The main materials used in Wärtsilä products are various metals: cast iron, alloy and structural steel, aluminium alloys and bronze. Recycled material content of these metals vary depending on the material and supplier in question. Recycled material, such as end-of-life coins and bronze propellers, is used for example in the casting of new propellers.

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