Soft Soldering and Its Glossary of Terms

Soft soldering is the process of joining metal parts by heating and running a low-melting point alloy between the two surfaces being joined. As cooling takes place, the alloy solidifies and results in a secure joint.  For most purposes, the low- melting point solder alloy is a composition of lead and tin.  Solder melts at a temperature less than 3000C, which is far below the melting temperature of the metal being joined and produces a low strength joint. Soft soldering is used extensively in sheet metal work for joining parts…

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