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Soldering tips/advice Doobielicious 07-09-2008
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Posted by Doobielicious on July 9, 2008, 9:35 pm
I just tried to solder a 1/2 inch copper coupling to a 1/2 inch piece of
pipe. I put soldering paste inside the coupling, gave the 1/2 pipe a good
going over with a file (i didn't have sandpaper) and also put soldering
paste on the 1/2 inch pipe. I inserted the pipe inside the coupling, and
heated the couplign up with a torch. I tried to put solder on the end of
the coupling and the pipe, but the solder didn't go around the coupling to
form a seal. In fact the solder made a complete mess adn I ended up with
clumps of solder in one spot.

What the heck am I doing wrong?



Radiant Heat 468x60
Posted by John Grabowski on July 9, 2008, 9:48 pm

>I just tried to solder a 1/2 inch copper coupling to a 1/2 inch piece of
> pipe. I put soldering paste inside the coupling, gave the 1/2 pipe a good
> going over with a file (i didn't have sandpaper) and also put soldering
> paste on the 1/2 inch pipe. I inserted the pipe inside the coupling, and
> heated the couplign up with a torch. I tried to put solder on the end of
> the coupling and the pipe, but the solder didn't go around the coupling to
> form a seal. In fact the solder made a complete mess adn I ended up with
> clumps of solder in one spot.
>
> What the heck am I doing wrong?


I guess if you didn't have sandpaper, emery cloth, or a wire brush for the
outside of the pipe, you probably didn't clean the inside of the coupling as
well. Get the proper tools and supplies and start over.


Posted by evodawg on July 9, 2008, 10:13 pm
Doobielicious wrote:

> I just tried to solder a 1/2 inch copper coupling to a 1/2 inch piece of
> pipe. I put soldering paste inside the coupling, gave the 1/2 pipe a good
> going over with a file (i didn't have sandpaper) and also put soldering
> paste on the 1/2 inch pipe. I inserted the pipe inside the coupling, and
> heated the couplign up with a torch. I tried to put solder on the end of
> the coupling and the pipe, but the solder didn't go around the coupling to
> form a seal. In fact the solder made a complete mess adn I ended up with
> clumps of solder in one spot.
>
> What the heck am I doing wrong?
Try using MAP GAS not the stuff in the blue bottle, the stuff in the yellow
bottle.
--
"You can lead them to LINUX
but you can't make them THINK"
Running Mandriva release 2008.0 free-i586 using KDE on i586

Posted by Doug Miller on July 10, 2008, 7:08 am
>Doobielicious wrote:
>
>> I just tried to solder a 1/2 inch copper coupling to a 1/2 inch piece of
>> pipe. I put soldering paste inside the coupling, gave the 1/2 pipe a good
>> going over with a file (i didn't have sandpaper) and also put soldering
>> paste on the 1/2 inch pipe. I inserted the pipe inside the coupling, and
>> heated the couplign up with a torch. I tried to put solder on the end of
>> the coupling and the pipe, but the solder didn't go around the coupling to
>> form a seal. In fact the solder made a complete mess adn I ended up with
>> clumps of solder in one spot.
>>
>> What the heck am I doing wrong?
>Try using MAP GAS not the stuff in the blue bottle, the stuff in the yellow
>bottle.

Pffffft. Propane works just fine for 1/2" pipe and fittings. There's no need
for the OP to spend forty bucks on a MAPP torch to solder one joint. Sheesh.

Posted by mark on July 11, 2008, 12:24 am

> Doobielicious wrote:
>
>> I just tried to solder a 1/2 inch copper coupling to a 1/2 inch piece of
>> pipe. I put soldering paste inside the coupling, gave the 1/2 pipe a
>> good
>> going over with a file (i didn't have sandpaper) and also put soldering
>> paste on the 1/2 inch pipe. I inserted the pipe inside the coupling, and
>> heated the couplign up with a torch. I tried to put solder on the end of
>> the coupling and the pipe, but the solder didn't go around the coupling
>> to
>> form a seal. In fact the solder made a complete mess adn I ended up with
>> clumps of solder in one spot.
>>
>> What the heck am I doing wrong?
> Try using MAP GAS not the stuff in the blue bottle, the stuff in the
> yellow
> bottle.
> --
> "You can lead them to LINUX
> but you can't make them THINK"
> Running Mandriva release 2008.0 free-i586 using KDE on i586
Propane works just fine on those little 1/2" fittings. Do it all the
time....
The OP should be patient and make sure he heats the fitting and lets the
capillary action draw the solder into the joint, which it will do when it's
hot enough. Practice, practice, practice... Mark



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