Tried this combination this past Spring. Used 5# ingot bars from RotoMetals. Air cooled BHN was in the range of 8-9, while heat treated was only 16 BHN. Rick measured the BHN on his tester, about a week later. Have not shot these bullets, as yet. Might try adding 1% tin to raise the BHN, slightly......or try 3 parts lead to 2 parts lino.
My alloy calculations:
3/1 = 96 Pb - 3 Sb - 1 Sn
3/2 = 93.6 Pb - 4.8 Sb - 1.6 Sn
My alloy calculations:
3/1 = 96 Pb - 3 Sb - 1 Sn
3/2 = 93.6 Pb - 4.8 Sb - 1.6 Sn
now the question is what did he mix up to get that 8-9 bhn earlier?
He said the 3:1 got him 8-9 air cooled and 16 heat treated from that particular batch, which makes no sense and had us all asking questions.
This triggered a memory of something my father said one time. He cast bullets for the 219 zipper from pure lino. At about 3300+ fps, when they struck something, even as small and forgiving as a blade of grass, they would disintegrate to almost a powder.
.I didn't do the math but assuming accuracy with your percentages your previous results with 3/1 alloy are quite close to were they should be. .
Even if powder coated?pretty good at tearing up barrels too.
pretty good at tearing up barrels too.