[Healeys] Parkerizing

Jeff Capezzuti jcapezzuti at aol.com
Wed Jul 11 20:22:45 MDT 2012


This will not adversely affect the strength of any fasteners.  Parkerizing has
been used in firearms manufacturing for over 100 years.  Barrels and receivers
are under considerable stress.  Parkerizing will not however last forever if
exposed to the elements.  It will look great and potentially delay any rust,
but if scratched or left uncoated it will rust.

Firearms are continuously oiled....   Ever seen an old cowboy or world war
gun?  They generally all exhibit some pitting / rust.

Parkerizing has been used by automotive manufacturers over the years, and if
done correctly can look VERY nice!

Absolutely experiment with it!  You'll want to Parkerize everything in your
house!!! :)

Good luck!

Jeff Capezzuti
'63 BJ7
Tampa, FL
Sent from my iPhone

On Jul 11, 2012, at 9:14 PM, Charlie Frazer <cfrazer at jcomm.uoregon.edu>
wrote:

> I'm experimenting with Parkerizing, a process similar to Curt Arndt' s
chemical bluing process for coloring and protecting steel parts from rust.
> Parkerizing turns steel to a dark gray/black color in a solution of
phosphoric acid and manganese at a temp of about 200 degrees to create a
rust-protective coating.
>
> Is there any reason to think this would make hardened suspension fasteners
brittle?
> Thanks for your thoughts,
> Charlie
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