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Posted: 1/27/2006 4:21:34 AM EDT
Can these be parkerized?
Link Posted: 1/27/2006 4:22:48 AM EDT
Parkerizing is a process done to steel not aluminum.
Link Posted: 1/27/2006 4:37:32 AM EDT
Thanks QUIB

I thought so but wasnt sure since parkerizing is only 180o

What it just wont bond?
Link Posted: 1/27/2006 5:02:18 AM EDT
Wrong metal.
Link Posted: 1/27/2006 5:33:52 AM EDT

Originally Posted By godfreek:
Thanks QUIB

I thought so but wasnt sure since parkerizing is only 180o

What it just wont bond?



Your talking two different metals with two entirely different processes. Parkerizing is a chemical process used on steel. Anodizing is an electro/chemical process used on aluminum. I’m not sure of the exact results, but if you dropped an aluminum receiver in a tank full of park solution you might not like what you pull out.
Link Posted: 1/27/2006 6:40:32 AM EDT
I figured, thanks guys
Link Posted: 1/27/2006 7:01:48 AM EDT

Originally Posted By QUIB:

Originally Posted By godfreek:
Thanks QUIB

I thought so but wasnt sure since parkerizing is only 180o

What it just wont bond?



Your talking two different metals with two entirely different processes. Parkerizing is a chemical process used on steel. Anodizing is an electro/chemical process used on aluminum. I’m not sure of the exact results, but if you dropped an aluminum receiver in a tank full of park solution you might not like what you pull out.



I think with bluing salts you would have nothing to pull out. I wonder if it is the same with park.
Link Posted: 1/27/2006 8:09:52 AM EDT
It would be interesting now wouldn’t it!

I know that even anodizing incorrectly can burn, erode and pit an aluminum part. I worked for a while in aviation production. Quite a few of our parts would return from the anodizing vendor damaged.

I myself have even burned aluminum parts using alodine, which is also a chemical conversion process to help protect aluminum.
Link Posted: 2/10/2006 9:00:08 AM EDT

Carbon steel
Conversion coating:
Parkerizing
http://en.wikipedia.org/wiki/Parkerizing
http://www.jouster.com/articles30m1/parkerizing.html
Hot bluing http://www.theshootersroost.com/hotbluing.html
Rust blue http://www.hobbygunsmith.com/Archives/Aug03/HowTo.htm
Cold bluing http://www.gunsandammomag.com/techside/blue_0515/
Black Oxide http://www.finishing.com/faqs/blackoxide.html
Nanoceramic http://www.metalfinishing.com/editors_choice/articles/051207_Nanoceramic.htm may be a future coating.

Plating:
Cadmium plating is usefull for steel. I've only seen it used decoratively but it's corrorsion resistance is very good. At some point I may pimp out a 1911A1 with cadmium plating. :)
http://www.techplate.com/cadmium.htm
Nickel is more common and very good at corrosion resistance. http://www.caswellplating.com/restgal/gun_refinish.htm
Gold of course is a nice corrosion proof plating http://www.acmeplating.com/

Aluminum
Conversion coatings
http://en.wikipedia.org/wiki/Anodizing
Hard anodizing has better wear resistance than case hardened steel or hard chrome plate according to this link. http://www.corrosion-doctors.org/MetalCoatings/Inorganic.htm
Yep, I want hard anodizing in neon blue.

http://www.alphametal.com/chromate.htm
Alodine: MIL-C-5541E Class 1A is toughest
Class 3 if electrical conductivity is needed such as in electronic enclosures.
I would love to get an in the white AR lower and pimp it out with a mil spec Class 1A chromate finish.

Has some info on both anodizing and chromating
http://www.fulton-armory.com/Mil_Spec.htm

h=85%

Originally Posted By godfreek:
Can these be parkerized?


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