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soldering

Soldering (US: ; UK: ) is a process in which two or more items are joined together by melting and putting a filler metal (solder) into the joint, the filler metal having a lower melting point than the adjoining metal. Unlike welding, soldering does not involve melting the work pieces. In brazing, the work piece metal also does not melt, but the filler metal is one that melts at a higher temperature than in soldering. In the past, nearly all solders contained lead, but environmental and health concerns have increasingly dictated use of lead-free alloys for electronics and plumbing purposes.

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  1. Stanios

    Good soldering matt /alternatives

    Hi all, Are there any good matts or other alternatives to standard "monument" stuff? On my third matt while they do last about a year the biggest issue is they produce more smoke than the pipe being soldered! The smell is quite nasty too.
  2. H

    Soldering fixings to the side of pipes without t's

    Can anyone tell me what the name is for the process of soldering fittings to the wall of a pipe is like in the pic below? I remember seeing a video of someone making the holes for the fitting but can’t find it anymore and need to make a fitting like in the picture. Many thanks
  3. J

    Burning / soldering mat - which is the best?

    Need to buy a new burning / soldering mat which is the best on the market for both Mapp & Propane?
  4. A

    Expired flux keep it bin

    Evening all, Found 6 tubs of flux but they’ve all expired last year can you still use it or shall I just them away ? Cheers
  5. J

    Soldering Yorkshire fittings

    Now I have been soldering fittings for a long time with a reasonable amount of success. However from time to time I still,have difficulties. Should I use the very minimum amount of flux or should I add a generous amount ? Should I heat up the fittings slowly or quickly ? Should i put flux...
  6. J

    Soldering to very old copper pipe

    i am currently altering the incoming water feed which looks like it is 15mm copper pipe, however I suspect it was put in when the house was built in the 60's Now I have not chopped the pipe but have cleaned it ready where I intend to cut it. However it does not look quite as shiney as other...
  7. O

    Heat absorber while soldering

    hi guys, I have seen long time ago at plumbase a heat absorber while soldering, it was a red mastic ball or something similar. However, does anyone remember what to call it ? Kind regards Ron
  8. E

    Master Soldering help needed for a clean solder

    Hi plumbers, I am popping here today to ask how do I solder a clean join? For example I am currently in the process of creating a lamp for my living room out of copper pipe. I started to solder today and realised I'm crap :smile5:. I cleaned the pipe and the elbows and fluxed, but no matter how...
  9. I

    Ways to prevent slip coupler slipping down a vertical copper pipe while soldering?

    Ideas please?
  10. T

    Advice please soldering to old pipe

    I've added a couple of additional rad's to a room at he back of my house (all within the boiler capacity) and I'm in the process of upgrading feed and returns from 15mm to 22mm to cope with the extra demand. The pipe work is ok except where I'm joining to the existing old pipe. I'm using...
  11. S

    soldering water pipes

    Hi Guys, I am changing some of my house pipes. I had a quote of 2.5k for changing few pipes and joining them using solder fitting. I am competent enough to lay the pipes and use yorkshire fitting which has the solder ring in it. All that is needed is heat to release it . I have managed to...
  12. S

    Soldering Question

    I have some pipework to redo and it really doesn't seem worth calling in a plumber. The only blowtorch I have, however, is a cooks' blowtorch (for creme brulee and the like!). Is there any reason why this won't do the job?
  13. P

    Not soldering

    Hi Cannot understand why the solder is going into balls and dropping off the pipe. Must be making basic errors but cannot understand what. As the soldering yesterday was fine. Any ideas Thanks
  14. M

    Soldering on to stainless steal.

    I fitted a replacement Heatrae Sadia Express 7 water heater some time ago. The old one had an extended spout but it was not compatible with the new one so a new extended spout was ordered. I fitted this spout, there is a pushfit fitting underneath for the spout, it felt a bit loose but seemed to...
  15. M

    flux brush after soldering

    Do many people use a flux brush to wipe fittings just after.soldering to help the solder run around the fitting?
  16. M

    Capping lead waste

    I got a house that wants to get rid off 3 bathroom basins and all wastes are lead. What is the best way to cap these off. Maybe just a mcalpine blanking cap? Or the best bet to take it back to stack and blank there some how? Cheers chaps
  17. T

    hall of Shame Photos

    I have just spent the most enjoyable 2 hours this afternoon. I have never laughed so much for ages looking at the photos. I have got as far as Page 80 and intend to go to the end; it is going to be hilarious. There seems to be Competent plumbers like members on this forum,cowboys,Diy`s and...
  18. R

    Soldering

    Now then, I fixed a leaky pipe, ch, leak was a hole in pipe about a meter from the valve in rad. I drained down, cut pipe & soldered a new piece of pipe in. Filled up all ok (makes a change). So, my mate whos a gas engineer said I should never solder that close to a valve without taking the...
  19. A

    Soldering for a DIY'er

    Hi All, I am planning on laying out two zones of Flow and Returns in my property in preparation for a plumber who will install my unvented cylinder and a system boiler. I anticipate requiring around 80-100 metres of 22mm which will need to be soldered in places. I may also require the 15mm...
  20. D

    Beginner DIY plumbing - help!

    Does this look right? Any advice before I add my Aqua plasterboard? I've checked there are no leaks for two days is that long enough to be sure? (Sorry...it's come out sideways)

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