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Guide for selection of brazing filler metal
Jun 16, 2017

A wide range of brazing alloys can be divided into groups, in which there are a variety of melting temperature and other properties of different mixtures; brazing alloy is also a variety of forms; many solder alloy is used to serve different brazing Welding requirements.

The brazing alloy is usually expressed as a material used as a filler metal in brazing to complete the joint connection, and its melting temperature is defined to be higher than 840 ° F but below the melting temperature of the workpiece. A solder alloy should have the following characteristics:

The surface of the workpiece must be kept wet, fluid and can pass through as little as 0.001 inch capillary

In the welding process can prevent the alloy separated into solid and liquid state

Through the welding and the workpiece part of the role can be enough solid nod

Must meet the requirements for corrosion resistance, ductility, thermal & electric conductivity, and other user-required quality performance requirements.

The solder alloy consists of a variety of metals, so there are a variety of melting temperatures and melting range. So far, we use the term "melting temperature" to describe the metal from solid to liquid temperature.


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