AL-COP Braze - Brazing Aluminum to Copper
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- čas přidán 28. 10. 2018
- Brazing aluminum to copper is a tough but valuable skill in our trade, so what is the most efficient way to do it? Sal with ProductsByPros and Bryan answer that question today using an AL-COP braze rod.
Brazing aluminum and copper is tough because aluminum starts to melt at roughly the same temperature at which copper starts to flow. However, the AL-COP braze rod makes the brazing process easier and works both ways: connecting copper into aluminum or aluminum into copper. You can also use AL-COP to patch either base metal. However, when using AL-COP, you still need to be careful not to overheat the aluminum.
The AL-COP rod is a flux-channeled rod, meaning that the flux is inside the rod. You can lay the rod with the flux side down so that the flux can prevent oxides from forming when you're trying to braze. The flux also won't corrode, but we still recommend cleaning it off when you've finished brazing. It's best to use a soft reducing flame when brazing with the AL-COP rod. The flux runs out first, and then the alloy melts and wraps around the joint. Although getting a cap on the joint is nice, it's not the most important part of getting a good connection; you want to draw that alloy ALL the way into the joint.
Allowing the joint to cool naturally is critical, as copper and aluminum have different expansion and contraction rates. The AL-COP kit also comes with a brush to help you clean up the joint.
Read all the tech tips, take the quizzes, and find our handy calculators at www.hvacrschool.com/
I know it's not a new video but I am new to brazing and it's so nice to hear the information needed right at the beginning of the video, not like most I have viewed spend more time talking about sandpaper then actual temperatures and metals. thx for the info!
Nice to meet you too Sal.
Very good innovation what the brazing rod can do.
Common MAPP/Air torch would apply here too.. In my humble opinion anyways :)
Amazing how brazing can join just about any dissimilar metal nowadays. 30 years ago they were dreaming about brazing aluminum.
Salam alaikoum. What kind of operator do you use? Thank you
"Son of a Biscuit Eater" you must watch SMA "Thanks for Waaachin" is next
been waiting on this video, truthfully though, how many times did it take to get that perfect? To me the hardest part is learning to control the heat, I sagged a few pieces of aluminum before I found my technique
I took a little bit. It’s really easy as a patch, doing tubing takes a bit different technique but once you get it then no problemo
Peace be upon you what kind of torch you use
Mohammed 78 turbotorch an air acetylene kit. www.productsbypros.com/air-acetylene/
Is nitrogen purging required
Yes, cupric oxide on copper can form in the presence of air at temps over 575° and the temperature of this solder is around 950°
Road chahiye
kindly provide Contact number purchase Al - Cop brazing Road