Is it OK to repair/re-use copper?


Old 05-09-14, 09:11 AM
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Join Date: Nov 2007
Location: MI
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Is it OK to repair/re-use copper?

I got an unplanned shower the other night when the solder cracked on a pipe to my washer as I was trying to twist off the corroded hose connection. I replaced the threaded fitting & stopcock and while heating the old joints they turn sort of pink. I've repaired or reconfigured plenty of plumbing in my houses and have seen this a lot but I've always wondered if it's OK or am I changing the temper or weakening the copper when I see the color change like that?
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Old 05-09-14, 01:12 PM
Join Date: Jan 2014
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Try not to heat anything up any hotter than necessary .

Other wise , I can not say via long distance .

For us DIY'ers , I ran across something that helped me .

Clean both the pipe and the fitting as clean and shiny as you can . Use emery cloth and / or a fitting " brush " .

Next , try tinning flux . It has powdered / ground up tin mixed with the flux paste . This helped me with hard to solder joints . By pre-tinning the joint , as soon as it gets hot enough , even before you apply the solder wire to the joint .

Remember , get the copper hot enough to melt the solder . Don't try to just melt the solder directly with the torch .

God bless
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