Soldering brass to copper help Joined: Sep 19, New install. No Water involved. Need to get outside wood boiler online but I am having a heck of a time soldering brass fittings to copper. I am cleaning copper and brass extremely well and pasting both. Heating the joint not the copper pipe. The solder eventually melts at the joint but does not flow into the joint. It seems the copper pipe is getting hotter than the joint and the solder is just rolling off the copper even though I am applying the heat to the brass joint and constantly touching the solder to joint to see if it will flow.
What am I doing wrong? I have no problems copper to copper but the heavier brass to copper I can't get to flow correctly. I'm thinking maybe I am using the wrong solder? Any advice would be appreciated. I'm real close to buying threaded fittings to finish the job but hate to waste the money I already spent on sweat fittings Joined: Sep 19, Location: San Francisco.
Gsalet , Nov 25, Rocketman69 likes this. There is no difference between soldering copper to copper and copper to brass, other than the small difference in time to heat the joint, and there is NOT a different solder to do it , therefore you are doing something wrong, but we cannot tell you what it is from your description. How old is you flux? I really appreciate the replies. You are telling me the same thing others I know have told me so it must be me.
I am using propane and a friend said try map gas. I'm hitting the what is probably cast copper.. I'm heating it for well over a minute. But when it's hot enough to melt the solder, the solder just rolls off.
Heat it some more and still rolls off. I really don't know the different solders I should use so let me know what you think. I was thinking the flux was fresh until I got thinking about where I bought it in response to your question. It was definataly an un-opened can but it's either old or came from a big box store.
I don't remember buying it from the local plumbing supply store with all my other supplies. I will try a new can of flux. Regardless the flux I'm using is Oatey No. I said I was heating the joint but what I meant was I am heating the copper cast fitting not the joint or copper pipe. Again all help is extremely appreciated. I really need to get this wood boiler online. Soldering is a handy tool when it comes to bathroom plumbing repair.
Once you get the hang of how to solder your pipes, you can add fixtures and repair plumbing leaks on your own without having to call in a plumber.
Anyone with a little experience with a propane torch can tell you, however, that soldering is never a one-size-fits-all operation, with different jobs requiring different techniques. In particular, soldering brass pipes can be more challenging than soldering copper. Read on to learn why and to learn some tips on how to successfully solder a brass fitting. The basic process for joining brass or copper pipes is essentially the same: Clean the pipe ends that you intend to join until they are shiny and free from any burrs or debris.
Next, brush on the plumbing flux and push the pipes together. Can you melt copper with a torch? Scrap copper can be melted in order to create works of art or simply to pour into ingots for easier recycling. You can melt copper at home as long as you have a torch that is capable of reaching 2, degrees Fahrenheit. Is it OK to connect brass to stainless steel? Connecting stainless steel plumbing pipes to brass fittings and pipes is risky. In the case of stainless steel and brass, they are seven metals apart, which means they would be likely to corrode if connected directly.
When it comes to stainless steel , and and brass, they are only two metals apart. What metals should not be used together? Metals farther apart should not be used together. For example, bronze and copper can be used together; aluminum and copper should not. Do you use Teflon tape on copper fittings? If this is copper pipe, give the area a sand and inspect the pipe. A photo would help assist further. As for the use of teflon tape on joints in concealed in walls: this is totally acceptable and is the standard practice.
Most plumbers tend to us both teflon tape and pipe dope for threaded connections. Should I use Teflon tape on brass fittings? Teflon tape is used to seal between almost all threaded plumbing fittings, whether it be copper, brass, plastic or steel pipe thread. About the only exception that I can think of would be brass to brass fittings, and even then, sometimes it is necessary to use teflon tape or pipe dope to seal it.
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