Bullet casting

[sagela]

Lyman #2 alloy 15-18 could go less with that load that's light

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+1 for Lyman #2; and quench casting.
With target loads you don't care about terminal performance, just barrel leading.

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[Andyt2]

I should add I will be powder coating these casts

[coachk12]

I should add I will be powder coating these casts

That will help a ton...

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[Andyt2]

I have lots of lead wheel weights. I also of like 100 lbs of 63/37 solder trying to come up with a mix but the castboolits calculator spreadsheet that I down loaded seems to have an error in it. Anyone that uses it if you set the 63/37 solder to one pound without having anything else checked at the bottom where it tells you the calculated hardness it comes up with 26.9 as the hardness but the hardness is actually 17. So then when you add wheel weights to the spread sheet the calculated hardness is off by like 10 bhn???
So when i set it up as 1 lb of 63/37 to 5 lbs of wheel weights it gives me estimated hardness of 14.1-- so I am not sure of this mix is giving me correct estimated hardness....

[Andyt2]

Crickets....

[Steve Lonie]

I tried the spreadsheet calculator and found it only gets sorta close for me. I powder coat for 300 BO so the hardness is too critical. the recovered bullets still have the coating intact for the most part. I use wheel weights with pewter added about a quarter pound of pewter (tin) to a 10 lb pot. When I test with the Lee hardness tester I get around 13~15 Bhn.

[Anomaly]

My bullets are coming out kind of splotchy when dry tumbled with airsoft bbs. Any ideas as to why they are splotchy, what to do to solve it, and if the splotchiness would be a bad thing?

[EUDE75]

I'm guessing your powder coating them?

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[sagela]

My bullets are coming out kind of splotchy when dry tumbled with airsoft bbs. Any ideas as to why they are splotchy, what to do to solve it, and if the splotchiness would be a bad thing?

Yeah, splotchy is a sign of irregular/thin coverage. Doesn't hurt anything.
My splotchy slugs mic'd right where I wanted for .303British so I have no experience with "correction" of splotchy.

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