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- - Heat Bluing (https://forum.lugerforum.com/showthread.php?t=309)

BILL	03-12-2001 11:52 PM

Heat Bluing

How hot and how long does it take to heat blue small parts? Any good rough figures?

Hugh	03-13-2001 12:40 AM

Re: Heat Bluing

Around 550-560 F for 30 minutes

BILL	03-13-2001 01:44 AM

Re: Heat Bluing

Thanks, Hugh!

tom heller

03-13-2001 10:16 AM

Re: Heat Bluing

Bill, The time require to straw or heat blue PO8 small parts will vary widely with the mass (weight) of the part in question, So I check them every 10 minutes and pull out the ones that look done. I normally put them in the oven @450 and they must be VERY CLEAN or the finish will be splotchy.

BobL	03-13-2001 11:44 AM

Re: Heat Bluing

Good advise! Plus the fact that they will "continue to cook" even after you remove them from the heat. That's to say they will darken a little more as they cool. Takes a little practice to get the color you want, but if it's too dark just buff it off and start again.

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