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Taylor
08-18-2020, 03:08 PM
Does pure lead cast larger diameter than a 50/50 mix

Pipefitter
08-18-2020, 03:14 PM
Short answer: yes.
also needs to be "worked" at a higher temperature than alloy lead

talon7825
08-18-2020, 03:18 PM
will you be running your cast bullets through a sizing die?

Bird
08-18-2020, 03:23 PM
50/50 of what?

Taylor
08-18-2020, 03:40 PM
Pure lead and coww

Taylor
08-18-2020, 03:41 PM
will you be running your cast bullets through a sizing die?

No, not if I can help it.

Conditor22
08-18-2020, 04:07 PM
http://www.lasc.us/CastBulletNotes.htm

softer, cast = smaller , harder = larger
hotter = smaller (more shrinkage) cast cooler= larger

the purer the lead the more it shrinks

taylor alloy and casting temperature to get the finnised diameter you want

https://i.imgur.com/cFUSZzU.png

Taylor
08-18-2020, 04:45 PM
Thanks, I 'll keep that chart. I haven't cast pure yet.

jsizemore
08-20-2020, 02:58 PM
Pure shrinks the most. The higher the antimony/tin the less it shrinks on cooling. That's why type metals have such a high antimony/tin content. And to reduce deformation from use.