Help me out with this, I am a little confused about grades of SS. I want to black oxide something that is 17-4 pH and want to know if it will work. I want to use the Caswell cold kit.
Is the 17-4 pH just a harding it doesn't match up with a grade on Wiki .
Any info would be helpful.
Black Oxide and 17-4 pH stainless steel question
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Black Oxide and 17-4 pH stainless steel question
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Re: Black Oxide and 17-4 pH stainless steel question
it is about 17% chromium and 4% nickel, hence the "17-4"
I don't know about the blackening kit, but i would assume it works the same for most to all grades of stainless
I don't know about the blackening kit, but i would assume it works the same for most to all grades of stainless
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Re: Black Oxide and 17-4 pH stainless steel question
17-4PH is very good stuff. It's a precipitation hardening stainless steel used in medical, aerospace, ect. I highly doubt the cold black kit you've got will work on your parts though.
These guys can blacken 17-4: http://www.rcindustries.com/
Spec sheet: http://www.sandmeyersteel.com/images/17 ... -Sheet.pdf
These guys can blacken 17-4: http://www.rcindustries.com/
Spec sheet: http://www.sandmeyersteel.com/images/17 ... -Sheet.pdf
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