[Jewelry making - Article 00008] - Re: [Orchid] Tarnish free silver or Why Knock Tarnish

[Tony Eccles]

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


>             What is the hardness of your wrought firestain free alloys
>     as annealed and work hardened? It is my understanding that the
>     firestain free alloys  are softer than silver copper alloy sterling
>     and much closer to fine silver in hardness. 

    Jim, Our firestain free (Bright) sterling silver alloys have been
    developed to have a hardness as near as possible to standard
    sterling silver. They are marginally softer in the annealed state,
    harden quicker and are harder at a 75% worked stage than standard
    sterling silver. They are also heat treatable, that is, can be
    hardened from the annealed state. 

    A hardness graph, which will show they are not anywhere near as soft
    as fine silver, also a solution treatment table and other
    information can be found at www.apecs.com.au /products/bright
    silver. Tony Eccles. 



____________________________________________________________________
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
____________________________________________________________________