What Kind Of Brazing Rod For Copper

When brazing copper or brass a flux is required to reduce surface oxides protect the base metal during heating and reduce filler metal surface tension.

What kind of brazing rod for copper. On copper to copper applications the phosphorus in braze rods stay silv 5 15 blockade dynaflow provide this function. Get it as soon as fri sep 25. For most brazing jobs using oxygen acetylene gases a carburizing or neutral flame should be. More buying choices 22 10 4 used new offers best seller in brazing rods.

The most common rods used for typical hvac brazing are 0 5 and 15 with several other levels mixed in there. With six percent silver this type of brazing rod starts to melt at 1 190 c. The percentage is the percentage of silver content in the rod. Adjust torch flame oxygen acetylene.

Use a torch that produces a high intensity flame. Blue demon bdtp 125 01t triple play low temp aluminum zinc brazing rod 1. For this demonstration i ll be using a stay silv 15 which contains 80 copper 15 silver and 5 phosphorus. When you re brazing you re going to need to heat your lines up until they re basically glowing red.

Copper phosphorous brazing welding rods. The assembly is now ready to braze using brazing alloy in rod wire or in coil form manually fed into the joint. Forney 42340 copper coated brazing rod 1 8 inch 5 pound. Brazing is typically used when joining pieces of the same metal type such as steel to steel or copper to copper.

For joining copper lines we usually use brazing rods that are made out of a copper phosphorous combination. Use the right brazing rod material for the metal used in your project. In case of any doubts harris products does supply a very clear chart on what type of brazing rod to use for various types of materials being joined. Dissociated ammonia 75 hydrogen 25 nitrogen can be used for many types of brazing and annealing.

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. 8 published by the american welding society and available from the copper development. Recommended rods by metal type. After brazing maintain support for a few seconds or more depending upon the size of the joint area.

Brazing rods are used in brazing a type of welding that uses acetylene to join metal pieces together. This and other detailed information can be found in the welding handbook 8th edition vol. Free shipping by amazon. Ammonia aws type 5 also called forming gas.

When brazing other metals a separate chemical flux is required. For copper silver copper phosphorus and copper zinc filler metals. The most commonly used fluxes and brazing filler materials for copper and copper alloys are shown in figure 3 and a guide to their use is shown in figure 4. Only 8 left in stock more on the way.

The only real reason to use lower silver levels is the cost and the difference can have many techs and owners wondering what the difference is.