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Thread: Casting Grain vs scrap sheet silver - are they the same ?

  1. #1
    Join Date
    Sep 2014
    Location
    Dubai (originally from Brighton UK)
    Posts
    39

    Default Casting Grain vs scrap sheet silver - are they the same ?

    I currently do sterling silver casting, and I have read in many places to use 50% old (e.g old sprue buttons) and 50% new e.g. casting grain.
    My question is…..
    Is there any difference between casting grain, and off cuts of silver sheet/wire (both bought from Cooksons of course .
    Also would heating up the silver sheet affect if – e.g. If I soldered two pieces of sheet together , and then cut off some of the sheet (that did not have any solder on it) would this silver that has been heated to soldering temperature be the same as sheet silver that has not been heated – and how would these compare to casting grain.

    Thanks in advance Paul

  2. #2
    Join Date
    Mar 2011
    Location
    Manchester UK
    Posts
    655

    Default

    As long as the metal is clean and of a know origin it will be fine, Old silver can contain nickel among other things and you dont want this in your jewellery but always try to mix it 50/50 with new grain/metal if you can. Grain is usually cheaper as its not been processed into sheets etc

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