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  1. #1
    Join Date
    Oct 2012
    Posts
    3,330

    HVAC Terminology

    I could use some help with some of the terminology used in HVAC. I read some of these posts, and everybody has their own way of saying something.

    For example, making a connection with silver solder

    One definition of silver solder, is using a brazing alloy with 45% or higher silver. Melting range is around 1200* to 1400*.

    Another definition of silver solder, is using a soft solder such as stay-brite, which has a silver content, but melts at 400-500*.


    Which is the correct term?

  2. #2
    Join Date
    Mar 2013
    Location
    swan valley idaho
    Posts
    720
    I'd say its a general term for regular old 15 percent silver solder. Oops i mean brazing rod.....
    Haha I think most people just say silver solder but are referring to " brazing" then again i have been known to say i had to " de-thaw the coil" and other hillbilly stuff all the time.

  3. #3
    Join Date
    Oct 2013
    Location
    MA
    Posts
    38
    Personally, I always classified solder as soft material. IE: stay-brite, using propane or mapp to heat.

    But that's just me.

    Sent from my XT907 using Tapatalk

  4. #4
    Join Date
    Nov 2013
    Location
    Mass
    Posts
    273
    Mechanical code states;
    Solder has a melting point below 800degrees.
    Braze has a melting point between 800 degrees, and the plastic melting point of the material being joined.
    Welding is done at the melting point of the material.

    If I'm using silver Braze, I say silver Braze. Braze is Braze, solder is solder, and silver bearing solder is silver solder.

    Chase

  5. #5
    Join Date
    Mar 2013
    Location
    Springville, NY
    Posts
    2,686
    Quote Originally Posted by Tom42 View Post
    Personally, I always classified solder as soft material. IE: stay-brite, using propane or mapp to heat.

    But that's just me.

    Sent from my XT907 using Tapatalk

    you mean you dont use propane for brazing 15%?
    ~~
    Nest is poo...

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