Bronze is a metal alloy that typically consists of 88% copper and 12% tin, though many variations can be made in the composition and ratios of other added metals. Other metals added to the alloy can include nickel, zinc, aluminum, and manganese, while non-metals are sometimes added to the alloy. These non-metals include silicon, arsenic, and phosphorous. Rotax offers alloys with copper, zinc, and tin combinations. (more…)