Quote Originally Posted by thibben View Post
Tim56

Think you will have to do as suggested - bit of suck it and see.

Does not take much Linotype to change the hardness so 10-20% would. Be a good starting point.

If you do a dig on the web you will find quite a lot of information. One thing to be aware of is some alloys change hardness over time (which can range from days to months) so testing a cast bullet might not indicate what it will be when you get round to using it.

Think you will find your old wheel weights had some arsenic in them which means you can heat treat bullets after casting should you so wish (caveat: from memory !)

Brgds Terry
Hi,
I have never heard of lead/tin alloy changing hardness. Copper age hardens as well as work hardens.

If you have any information about lead/tin alloy hardening it would be interesting to see it.

Wheel weights are made of zinc now. It shrinks unevenly when it cools and is not suitable for casting bullets.

Atb