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Questions tagged [solder]

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2
votes
2answers
824 views

Can I solder galvanized steel to stainless steel?

I have several stainless steel plates and I want to solder galvanized steel tubes to these plates. Is this possible? I ask because I have a guy that does all my soldering work, but he generally ...
1
vote
1answer
669 views

How to remove a cast iron pipe plug that has been soldered with lead

I'm adding a utility sink in my basement. I'd like to drain it into a cast iron pipe junction, but I'm having trouble removing the old plug. It appears to have been sealed with lead solder. I'm ...
3
votes
1answer
10k views

What happens if you sweat pipe copper pipe without flux?

I may have forgotten to use soldering flux paste when I replaced a water valve on 1/2" copper tubing. It was in a tight place and sweating pipe is not something I do often. Some of the joints I ...