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 2016, the total material usage was 84 913 tons (100 767). The major material groups were various metals 71% (73), sand 22% (21), and various chemicals 2% (5).
 
 
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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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