... copper (C81400, C82000, C82200, C82400, C82500, C82600, C82800), silicon brass (C87500), silicon bronze (C87300, C87600, C87610, C87800), copper-nickel ... 170oC. Group III alloys are: leaded red brass (C83450, C83600, C83800), leaded semi-red brasses (C8400, C84800), tin bronze (C90300 ... , C93700, C93800, C94300).These alloys, namely leaded red and semi-red brasses, tin and leaded tin bronzes, and high- ...