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Hot Topic (More than 10 Replies) Color Case Hardening (Read 3180 times)
Retreever
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Color Case Hardening
Mar 24th, 2021 at 8:18am
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Just looking at starting on my first custom build using an 1881 Spanish Ovieda made rolling block action. Currently the receiver is a silvery color no evidence of case hardening.

Can you actually re-do color case hardening on an old action?

Thanks, Retreever
  
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degoins
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Re: Color Case Hardening
Reply #1 - Mar 24th, 2021 at 8:44am
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yes. see turnbull mfg.
  
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singleshotsam
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Re: Color Case Hardening
Reply #2 - Mar 24th, 2021 at 8:53am
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Also contact Allen Springer.
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He does great work.
  
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Retreever
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Re: Color Case Hardening
Reply #3 - Mar 24th, 2021 at 9:08am
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Thanks guys, unfortunately for me I am in Canada.

Retreever
  
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40_Rod
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Re: Color Case Hardening
Reply #4 - Mar 24th, 2021 at 10:15am
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There are a number of people who do color case hardening. all color casing is not the same the materials used vary widely depending on who is doing the hardening and the color of the results vary widely. Before you get it done go to websites for different smiths who color case and look at their examples. pick what you like. every job is different but you can see tendencies. They will go from way too blue to way too much yellow. Pick what you like

40 Rod
  
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marlinguy
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Re: Color Case Hardening
Reply #5 - Mar 24th, 2021 at 10:23am
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I'll 2nd Al Springer. I've used him for years and his work is great, and your parts wont be sitting forever waiting to get back to you. His prices and turnaround time is very good.
  
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rkba2nd
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Re: Color Case Hardening
Reply #6 - Mar 24th, 2021 at 3:24pm
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Retreever states that he is in Canada, so must be a problem sending and receiving receivers, so Springer won't be of help. There are others posting here from Canada, maybe one could suggest someone there.
  
rkba2nd
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boats
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Re: Color Case Hardening
Reply #7 - Mar 24th, 2021 at 6:55pm
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You could fill a page what I don’t know about case color.  I do like it but am very cautious about re-casing finished actions. This from SXS Shotguns, Parker’s in particular that have been restored and upgraded. 

Original actions were cased then finished. Restoration most times re-cased then reassembled with original parts not hand fitted. You can go to a big show like the Vintagers or Southern SXS hundreds of Parker’s for sale fair number re-cased. Pick one up the feel the action opening and closing it’s not the same of original untouched. Lot of Parts in a SxS  closely fitted, very little  needed to make a difference.

Others I have some experience with Lever Actions, mostly Winchesters are “loose” original re-case not obvious. Slop in the mechanism covers dimensional changes when it’s heated.

What I don’t know is how Cyanide case is different. Shotgunners look down on Cyanide, seems  to me its better, does not change dimensions. Is Cyanide chemical only no heat and which original SS Rifles were Cyanide cased. 

Boats
« Last Edit: Mar 24th, 2021 at 7:01pm by boats »  
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marlinguy
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Re: Color Case Hardening
Reply #8 - Mar 24th, 2021 at 7:55pm
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I've had a lot of original cased receivers re-cased by Al, and no problems after many years. Al anneals them first, and then case hardens them. Been doing it for more years than I've been into these guns, as he grew up in the business working with his father.
  
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Arctic
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Re: Color Case Hardening
Reply #9 - Mar 24th, 2021 at 9:59pm
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In Canada, we have Oskar Kob in the Maritimes, always does good work.   
oskarkob@hotmail.com
1-902-680-9986
  
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Retreever
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Re: Color Case Hardening
Reply #10 - Mar 25th, 2021 at 8:58am
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[quote author=784B5A4D505A390 link=1616588297/9#9 date=1616637597]In Canada, we have Oskar Kob in the Maritimes, always does good work.  
oskarkob@hotmail.com
1-902-680-9986[/quote]

Thanks Artic, found him via Google last night and looks like he is in Nova Scotia so bonus for me as I am in New Brunswick.

Retreever
  
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craigd
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Re: Color Case Hardening
Reply #11 - Mar 29th, 2021 at 6:08pm
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boats wrote on Mar 24th, 2021 at 6:55pm:
....What I don’t know is how Cyanide case is different. Shotgunners look down on Cyanide, seems  to me its better, does not change dimensions. Is Cyanide chemical only no heat and which original SS Rifles were Cyanide cased. 

Boats

I believe Sodium Cyanide is a source of carbon, that needs heat and time to diffuse into the surface of a low carbon steel. It seems to also require quenching to actually harden the case.

I believe cyanide colors were adopted by some manufacturers as a mass produced finish on lower end guns. It has colors and patterns, but they generally do not match the look of traditional better shotgun makers.

If I am not mistaken, the Stevens 44, 44 1/2 are examples that were originally cyanide case colored.
  
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