Soft soldering

Soft soldering (soft solder) - soldering at a temperature not exceeding 450 °C - most often around 320 °C. This method of joining metal elements using a weld filled with metal with a melting point lower than the melting point of the metals being joined together is used to join parts with low stresses in the joint and low operating temperature - such as electronic systems, electrical cables, sheets, and for sealing and leveling sheet metal joints, e.g. roof sheets, gutters, containers, thin-walled tanks or pipelines. The most common metals joined using soft soldering are steel, copper, zinc, brass and their alloys.

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