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Thread: Bismuth solder

  1. #1
    DIY Member McG's Avatar
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    Default Bismuth solder

    Anybody ever use bismuth solder ?

    From Wikipedia's article on Soldering:

    "Other common solders include low-temperature formulations (often containing bismuth), which are often used to join previously-soldered assemblies without un-soldering earlier connections, and high-temperature formulations (usually containing silver) which are used for high-temperature operation or for first assembly of items which must not become unsoldered during subsequent operations. ..."
    Last edited by McG; 12-14-2011 at 08:56 AM.

  2. #2
    General Engineering Contractor ballvalve's Avatar
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    Default

    Heres a link to solders with various melting temperatures listed.

    http://www.grainger.com/Grainger/sol...temsPerPage=60

    With the price of silver, most are keeping the percentage very low. I think Bismuth is used mainly in electrical solders.

    Okay, here is a bismuth plumbing solder BUT it has the lowest melting temp, about 400 degrees compared to others in my first link.

    http://www.antonline.com/p_29025-GP_590304.htm?sID=GP

    Use pex.
    Last edited by ballvalve; 12-14-2011 at 10:39 AM.

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