Brazing Sheet Metal

Wipe the areas on the metal pieces that will be joined with the emery cloth so the surfaces are free from dust and grease.

Brazing sheet metal.

Therefore during the brazing process you should take care to maintain a clearance between the base metals to allow capillary action to work most effectively. Apply this paste to the areas on the metal pieces that will be joined using the brush. Mix a small amount of flux with water to form a paste. Brazing is a metal joining process in which two or more metal items are joined together by melting and flowing a filler metal into the joint the filler metal having a lower melting point than the adjoining metal.

The forehand technique is usually preferred. 6 4 3 a generous quantity of brazing flux applied to the filler rod and the joint area reduces zinc loss and produces sound joints. The filler metal is then brought into contact with the heated parts. Brazing is similar to soldering but at higher temperatures.

Use the right brazing rod material for the metal used in your project. The brazing rod should be melted by the heat of the metal pieces being joined not by direct contact with the flame of the torch. However the major differences are the following. In brazing and welding fabricators add a filler metal into the joint.

Full version of video here https shop tafesa edu au lor browse aspx itemid 639 butt fusion welding thin sheet mild steel panel beating v2 0 an instru. This is how a brazed joint is made. Did you want to learn how to work around that and deliver a solid re. Brazing as we ve seen uses the principle of capillary action to distribute the molten filler metal between the surfaces of the base metals.

Brazing requires less energy than welding and can be used to join dissimilar metals. The oxyacetylene flame shall be directed mainly on the filler to minimize heat input to the base metal. In brazing the filler metal has a lower melting point than the adjoining metal. Proper temperature of base metal is indicated by a cherry red color.

In a brazing operation you apply heat broadly to the base metals. The filler metal can be aluminum silicon brass bronze copper copper silver gold silver nickel alloy or silver.