Cast iron alloy for brake disc included carbon, silicon, manganese, copper, and nickel, with low maximum set for phosphorus and sulfur as impurities

摘要

The cast iron alloy contains carbon 3.7-4.3 wt.%; silicon 0.8-1.5 wt.%; manganese 0.1-0.8 wt.%; copper 0.3 wt.%; nickel 0.2-1.0 wt.%; phosphorus and sulfur permissible as impurities only below 0.08 and 0.1 wt.% respectively; and iron to 100%. The silicon and nickel together should preferably total an amount of 1.2-1.8 wt.%.