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by atomictaco
Thu Aug 09, 2012 4:39 pm
Forum: alloys
Topic: BHN vs. PSI
Replies: 10
Views: 13895

Re: BHN vs. PSI

What would be a good BHN for the 9x19? Of have read anywhere from about 8 to about 24and just getting more confused. I've slugged all of my barrels which came out at, .3565 so was looking at 125 grey and 158 grain. .358 moulds which should cover both my 9mm and 38/357 pistols. I have wheel weights a...
by atomictaco
Wed Aug 08, 2012 8:04 pm
Forum: alloys
Topic: BHN vs. PSI
Replies: 10
Views: 13895

Re: BHN vs. PSI

OK, I'm just starting in the bullet casting hobby and trying to determine the proper BHN for 9 x 19. Based on this thread I've come up with a BHN of 84.3? Using PSI=375 x BHN +500 equation and the basic rule of "Multiply Divide Add Subtract" (Parenthesis and Exponents do not apply in this ...

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