Perlitic grey iron for brake components
AssigneeAB Volvo
InventorsPer-Eric Persson, Mats Fagergren, Bertil Sander
Life of this patent
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Abstract
An iron alloy material for brake components comprising substantially perlitic grey iron alloyed with further elements comprising: carbon present in an amount of 3.50-3.70% by weight; vanadium present in an amount of 0.05-0.1% by weight; molybdenum present in an amount of 0.20-0.30% by weight; silicon present in an amount of 1.90-2.0% by weight; manganese present in an amount of 0.55-0.70% by weight; phosphor present in a maximum amount of 0.10% by weight; sulphur present in an amount of 0.08-0.12% by weight; chromium present in an amount of 0.20-0.30% by weight; and copper present in an amount of 0.20-0.30% by weight.
Claims8
An iron alloy material comprising:
- carbon present in an amount of 3.50-3.70% by weight;
- vanadium present in an amount of 0.05-0.1% by weight;
- molybdenum present in an amount of 0.20-0.30% by weight;
- silicon present in an amount of 1.90-2.0% by weight;
- manganese present in an amount of 0.55-0.70% by weight;
- phosphor present in a maximum amount of 0.10% by weight;
- sulphur present in an amount of 0.08-0.12% by weight;
- chromium present in an amount of 0.20-0.30% by weight;
- and
- copper present in an amount of 0.20-0.30% by weight;
- with the balance being substantially perlitic grey iron.
Dependencies are inferred from the claim text.