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 2015, the total material usage was 100,767 tons (88,736). The major material groups were various metals 73% (74), sand 21% (19), and various chemicals 5% (6).
 
 
Materials usage



Weight-to-power ratio of Wärtsilä's medium-speed engines for 6-cylinder in-line engines


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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