welding copper pipe

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    • #276550
      MasterPlumbers
      Keymaster

      whats better to weld copper with soft solder or silver solder

    • #294361
      Robert Stephen Morton
      Participant

      craig. you cannot weld with soft solder, it is only a leak stopper.
      Bob

    • #294362
      Retired plbg1
      Participant

      First thing is you dont call it welding, it is soft solder are hard solder. Silver solder is about $75.00 a # I think that is what I heard. We use silfus solder thats a hard solder and you can use a bronge rod. What do you want to use the copper for, then we can decide what solder to use.

    • #294363
      nicktheplumber
      Participant

      Some definitions:
      –Soldering is the joining of two metals (alike or dissimilar) by the coalescence to their surfaces of a molten binder metal called “solder.” In this joining method only the solder is melted. The metals to be joined are merely heated below their melting point(s) but above the melting point of the solder.

      –Brazing is similar in concept to soldering, except that it uses a binder metal (brazing metal) that melts above 840 degrees Fahrenheit. As with soldering, the metals to be joined are not themselves melted.

      –Welding involved joining metals by heating them to a molten state and allowing them to unite.

      Most of the heat joinery of plumbing pipes involves soldering (“sweating”). Some brazing is used in industrial applications and steamfitting, and some really big high pressure pipes are actally welded.

      Technically, the heat and chemical processes that are used in plastic pipe joinery are a form of “welding.”

      NtP

    • #294364
      Selgas
      Participant

      Nick!!!!!!!!!!!!!

      I take my hat off to you – You been studying or reading from the book lol.



      Selgas Services Ltd
      Craftsman Gasfitters, Plumbers, Electrical Service Technicians

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