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+---- Thread: Mixing Alloy (/thread-1934.html)
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Mixing Alloy - Don McDowell - 06-30-2016
Fell into a deal, have a bunch of bags of Western 7 1/2 chilled shot.
Now need to figure out how much tin to add.
Thinking 1 lb of tin per 20 lb pot full of shot?
RE: Mixing Alloy - parkergunz - 07-01-2016
I think that would be a good starting point. Check the hardness, cast up a bunch and shoot them. Adjust accordingly. I do not know how much antimony is in the mix.
RE: Mixing Alloy - Don McDowell - 07-01-2016
Supposedly with this chilled shot it's 2% antimony.. Guess I'll order about 10 lbs of tin and see what happens.
RE: Mixing Alloy - Old Jim - 07-01-2016
Don, that 1# tin/20# of shot just may a bit to hard, but a test will tell. Do you have a hardness tester?
Good buy on the shot though!
RE: Mixing Alloy - Don McDowell - 07-01-2016
Jim I don't have a hardness tester. Guess I'll mix a batch up when the tin gets here, and then see what the bullets are like. I've been shooting mostly 16-1 as of late.
RE: Mixing Alloy - Old Jim - 07-01-2016
Yup,
I also like 16:1, but not more/less than 20:1 for target work. For a hunting bullet, I think it doesn't matter much, 'cause a .45 caliber hole thru flesh is a .45 caliber hole LOL!
RE: Mixing Alloy - Hiwall55 - 07-01-2016
Don I think Rotometals has Tin on sale right now. I just bought 7 lbs. last week and got free shipping. Bill
RE: Mixing Alloy - Don McDowell - 07-01-2016
I looked at them and Midway. Got the tin coming from BACO for a touch under 16$.
RE: Mixing Alloy - Lumpy Grits - 07-01-2016
Don-About where does that shot land in our lead/tin alloy world, in hardness?
G.
RE: Mixing Alloy - Don McDowell - 07-01-2016
Think I saw something the other day, it's about like wheelwright.