High Quality Content by WIKIPEDIA articles! Rose's metal, also known as “Rose metal” and “Rose's alloy” is a fusible alloy with a low melting point. Rose's metal consists of 50% Bi (bismuth), 25–28% Pb (lead) and 22–25% Sn (tin); its melting point is 100 °C (212 °F). Rose's metal is typically used as a solder. Its special property is that it does not contract on cool. It was used to secure cast iron railings and balusters in pockets in stone bases and steps.Discovered by the German chemist Valentin Rose the Elder, the grandfather of Heinrich Rose.

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