Abstract: An alloy is provided. The alloy comprises (in % by weight): silicon 2.0%-4.5%, in particular 2.3%-3.9%, carbon 2.9%-4.0%, in particular 3.2%-3.7%, niobium 0.05%-0.7%, in particular 0.05%-0.6%, molybdenum 0.3%-1.5%, in particular 0.4%-1.0%, and optionally cobalt 0.1%-2.0%, in particular 0.1%-1.0%, manganese ?0.3%, in particular 0.15-0.30%, nickel ?0.5%, in particular ?0.3%, magnesium ?0.07%, in particular at least 0.03%, phosphorus ?0.05%, in particular 0.02%-0.035%, sulfur ?0.012%, in particular ?0.005%, chromium ?0.1%, in particular ?0.05%, antimony ?0.004%, in particular ?0.003%, and iron.

Abstract: Known cast iron alloys have use limits in respect of the temperature. An alloy (in a weight percentage) including silicon 2.0%-4.5%, carbon 2.9%-4.0%, niobium 0.05%-0.7%, molybdenum 0.3%-1.5%, optionally cobalt 0.1%-2.0%, manganese?0.3%, nickel?0.5%, magnesium?0.07%, phosphorus?0.05%, sulphur?0.012%, chromium?0.1%, antimony?0.004%, and, iron, is provided.