... the addition of small amounts of elements including beryllium, silicon, nickel, tin, zinc, chromium and silver.Copper ... (C81400, C82000, C82200, C82400, C82500, C82600, C82800), silicon brass (C87500), silicon bronze (C87300, C87600, C87610, C87800), copper-nickel (C96200, C96400 ... used with aluminum bronze can be successfully used. Normally no cover fluxes are used here. The silicon brasses (UNS ...