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.
What kind of brazing rod for copper.
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.
For copper silver copper phosphorus and copper zinc filler metals.
This and other detailed information can be found in the welding handbook 8th edition vol.
Use the right brazing rod material for the metal used in your project.
On copper to copper applications the phosphorus in braze rods stay silv 5 15 blockade dynaflow provide this function.
For most brazing jobs using oxygen acetylene gases a carburizing or neutral flame should be.
After brazing maintain support for a few seconds or more depending upon the size of the joint area.
Use a torch that produces a high intensity flame.
The most common rods used for typical hvac brazing are 0 5 and 15 with several other levels mixed in there.
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.
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.
When brazing other metals a separate chemical flux is required.
Dissociated ammonia 75 hydrogen 25 nitrogen can be used for many types of brazing and annealing.
Copper phosphorous brazing welding rods.
Get it as soon as fri sep 25.
The assembly is now ready to braze using brazing alloy in rod wire or in coil form manually fed into the joint.
The percentage is the percentage of silver content in the rod.
3 5 out of 5 stars 21.
More buying choices 22 10 4 used new offers best seller in brazing rods.
8 published by the american welding society and available from the copper development.
When you re brazing you re going to need to heat your lines up until they re basically glowing red.
Brazing rods are used in brazing a type of welding that uses acetylene to join metal pieces together.
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.
Brazing is typically used when joining pieces of the same metal type such as steel to steel or copper to copper.
With six percent silver this type of brazing rod starts to melt at 1 190 c.
For joining copper lines we usually use brazing rods that are made out of a copper phosphorous combination.
Recommended rods by metal type.
Brazing rods are pieces of metal that melt during the welding process and attach to.
Adjust torch flame oxygen acetylene.
Free shipping by amazon.
Blue demon bdtp 125 01t triple play low temp aluminum zinc brazing rod 1.
Ammonia aws type 5 also called forming gas.
Only 8 left in stock more on the way.
