[Jewelry making - Article 01626] - Re: [Orchid] To quench or not to quench, that is the question

[John Donivan]

========[ Invite a Friend - http://www.ganoksin.com/invite.htm  ]========

    Yes, this topic has been pounded into the ground. I'm very
    concerned, though, about the use of the term "cherry red" in
    relation to annealing. You can heat steel to cherry red and let it
    cool slowly to anneal it, but that temperature has no place in
    non-ferrous metal unless you're melting it - or platinum. I don't
    know if people actually mean it, or misunderstand the
    temperature/color thing. So, here's a good listing of the standard
    temperature/color, as has been passed down since the beginning of
    time - it doesn't try to use graphics, but it's a good list. As with
    all of these, the low-temp colors only apply to steel, because those
    are oxide layers, but the red, orange and yellow is pretty similar
    in most metals. The real point being that when you say cherry red,
    this is what people think: 

    http://www.muggyweld.com/color.html 

http://www.donivanandmaggiora.com
____________________________________________________________________
T h e   O r c h i d   L i s t
Open Electronic Forum for Jewelry Manufacturing Methods and Procedures
____________________________________________________________________
Orchid FAQ:
~ http://www.ganoksin.com/orchid/faq.htm
Orchid Archives:
~ http://www.ganoksin.com/orchid/archive
Orchid Galleries:
~ http://www.ganoksin.com/orchid/gallery.htm
Invite a Friend:
~ http://www.ganoksin.com/invite.htm
____________________________________________________________________
Tips From The Jeweler's Bench - Article Archive
~ http://www.ganoksin.com/borisat/tip_sear.htm
The Jeweler's Selected Bibliography List
~ http://www.ganoksin.com/jewelry-books
Buy Orchid Jewelry:
~ http://www.ganoksin.com/shop
____________________________________________________________________
-Unsubscribe:
-Email: orchid-request AT ganoksin.com Body=unsubscribe subject=blank
____________________________________________________________________