To help you get ready here is a list of tools you'll need when soldering copper pipe. - 01 of 08. Torch. Windell Oskay / Flickr.
- 02 of 08. Solder. Oatey.
- 03 of 08. Flux. Oatey.
- 04 of 08. Striker. Bernzomatic.
- 05 of 08. Copper Pipe Cutters.
- 06 of 08. Sandcloth.
- 07 of 08. Fitting Brush.
- 08 of 08. Safety Items.
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Also know, what kind of solder do you use for copper pipes?
Buy lead-free solder that's designed for copper water pipes; you'll find it in the plumbing section of the store. Solder with lead is still available, but the lead can leach into your water supply, so don't use it.
Beside above, how do you solder copper pipes?
- Prepare Inside of Fitting. Ream the inside of each fitting with a wire brush.
- Clean Outside Of Pipe. Use emery cloth or steel wool to clean the outside of the pipe.
- Apply Flux to Pipe.
- Unwind Solder Wire.
- Heat the Fitting to Sweat the Copper Pipe.
- Touch the Solder to the Pipe.
- Remove Flame from Fitting.
- Clean the Fitting.
Subsequently, one may also ask, do you need flux to solder copper pipe?
Flux is a chemical which helps you solder. Flux prevents the copper from oxidizing as you heat the copper with the torch. In addition, it prevents the pipe from oxidizing as you heat it. You can solder without flux, but it is really difficult!
How do you Unsweat copper pipes?
Heat the copper pipe fitting with the torch. The brighter blue portion of the flame that comes to a point within the flame is the hottest part of the flame. Heat the fitting until you see the silver-colored solder begin to melt. Heat the fitting for another 30 seconds so it stays hot after you move the torch away.
Related Question Answers
Why does my solder not stick to copper pipe?
Keep pipes dry when solderingDon't try to solder pipes with water in them. Most of the heat from the torch goes into turning the water to steam, so the copper won't get hot enough to melt the solder. Stop the trickle of water with a pipe plug. Push the plug into the pipe with the applicator tube provided.Why does my solder not stick?
A classic reason solder won't stick to something is because you're not getting it hot enough. Touch some solder on it, and it should melt almost instantly. Put a nice little blob of solder on the tip of the iron. Press the blob of solder into the metal to be soldered.Can you use too much flux when soldering?
If you are using Rosen Activated or RMA flux, then you definitely need to clean it off and then the notion of “too much” can come into play as it tends to crystallize more, can be difficult to remove and is corrosive. However it does a grea That depends on what kind of soldering you do and what kind of flux you use.How do you're solder a copper pipe without removing it?
I use a MAPP torch and my process is something like this. - Clean the pipe and fitting.
- Go crazy with the flux, flux is your friend that "sucks" the solder into the joint. Do not skimp on the flux.
- Heat up the fitting, when the flame turns green it is hot enough.
- Quickly add the solder all the way around the fitting.
Can I use plumbing flux for electrical?
The acid flux in plumbing solder differs from electrical solder, which contains rosin flux. However, that corrosive acid flux will rapidly degrade wiring if plumbing solder is mistakenly used for electronics. Deteriorated wiring may cause the connection to fail. Electrical shorts or even fire may result.What happens if you don't use flux when soldering?
Good solder joints simply do not result from working without flux. At low heat the solder might not melt fast enough, and a cold solder joint may result. At high heat the soldering tip may oxidize and that will make soldering almost, if not downright impossible!Can you overheat copper pipe when soldering?
Overheating is a major problem when brazing or soldering copper pipe because the flux will burn (become oxidized), stop working, and become a barrier to tinning. In addition, a heavy oxide can be formed on the pipe itself, preventing a bond from forming between the filler metal and the pipe surface.What can I use instead of solder?
Wire-wrapping is a substitute for soldering but wire-wrap supplies can get very expensive unless you buy in very large volumes or happen to find a surplus deal. You could also crimp the wires together. There are terminals called butt splices. You could insert multiple wires into the terminal and then crimp.What does flux do when soldering copper?
Flux is an acidic paste that is water-soluble, which makes cleaning up simple by using water and a cotton rag. Flux is applied to all of the pieces of copper that you want to connect together. The flux paste will draw in the solder after the pipe is heated using a blow torch.Why does my solder ball up?
Balling is caused by bad wetting. Make sure the iron temperature is correct; too hot and it causes quick oxidation of the tip and the balling effect. Clean the tip before applying solder using a wire cleaner or chemical cleaner. The solder will wet much better then.Can silver solder be used on copper?
Soldering with a propane torch is the easiest way to join copper and brass. You can even use solder to join copper or brass to stainless steel, you just need the proper flux. Use plumbing (silver) solder only.Can you Unsweat a copper pipe?
Unsweating can easily be done IF ALL water is gone from inside the pipe(s). You can drain the system and blow air through the pipes. Personally, it's far easier to cut the pipes and install new couplings.Can you Unsolder copper?
Using the emery cloth, sand about an inch up the ends of the copper pipe and make sure there is no dust or grease left. The copper pipe is now prepared for re-soldering. Do not re-use your old copper fitting when you re-solder the joint. Soldered copper joints can't stand in your way any more.Can soldering be undone?
Gently touch the tip of a preheated soldering iron to the solder bead or joint that you need to remove; keep the soldering iron in place until the solder begins to flow. Leaving the soldering iron in place, bring the tip of your solder pump very close to the melted solder, so that the two are almost touching.Can copper plumbing fittings be reused?
Copper pipes are usually connected together using a variety of fittings, including elbows, T's and couplings. You can remove copper fittings and reuse them by following a straightforward procedure that requires a moderate amount of time and effort.How do you loosen copper pipe fittings?
Apply a penetrating lubricant such as Liquid Wrench or WD-40 to the fixture or nut and allow it to soak in for at least two hours. Apply more penetrating lubricant and allow it to soak in for another two hours. Turn the fixture or nut to loosen it.How do you sweat copper to brass?
Spread soldering flux on the outside of the pipe and the inside of the brass fitting with a small brush. The brush usually comes with the flux. Slip the fitting onto the pipe and rotate it into the correct orientation. Heat the joint with a propane torch until the flux begins to boil. 
James Holden 
