MaterialBrass, Stainless Steel, Steel, Ductile Iron, Grey Iron, Aluminum, Bronze, Copper, and customized material from clients.Material GradeASTM, ... the liquidus and the solidus. Group II alloys are: beryllium copper (C81400, C82000, C82200, C82400, C82500, C82600, C82800 ... bronze (C87300, C87600, C87610, C87800), copper-nickel (C96200, C96400).Beryllium Coppers. These alloys are very toxic and ...