Metal Brazing Filler Metals

by | Jul 21, 2014 | Business & Economics

One of the most interesting changes in the metal work industry is that there are now multiple types of materials and processes that can be carefully selected to match just the project or job you need. This can include a small repair around the home to producing thousands of parts for the aerospace industry.

For example, historically all brazing was done with torch brazing methods done individually by hand. Now, even with torch metal brazing there is the option to still do it by hand or to use automatic methods, where the machine literally does everything. You also have the option to have the operator still place the filler metal while the machine does the actual brazing.

When it comes to braze filler metals the same diversity and choice of options exist. Depending on the specific product and the specific filler metal and joint required one or more options may be the best.

Braze Paste

As the name implies this is a tube of finely ground metal alloy powders combined with a neutral paste. The paste is not the same as flux and flux is required as part of the preparation before applying the paste.

Braze Powder

Small spherical granules of the metal filler alloy are produced that are precise in their composition. Each granule is identical to all the others in the container to ensure uniform joints. Flux is applied to the metal and then the braze powder is applied. Standard metal brazing techniques are then used to create the joint.

Braze Rod or Wire

Braze rod or wire is the one type of braze filler materials used in metal brazing that may have flux in the actual wire or rod. They are similar to standard welding rods and can be very effective in areas where access is limited to the joint area.

In addition braze filler metals also come in rolls like tape. It may be sticky to hold it in place or it can be non-adhesive. This same design can be used for small shapes of braze filler than can be customized for specific joints or areas where it is difficult to place other types of braze metals. For more information visit http://www.hitempbrazing.com/Torch-Brazing-Metal-Brazing

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