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Mixing Alloy

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Mixing Alloy
06-30-2016, 11:04 PM,
#1
Don McDowell Offline
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Mixing Alloy
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?
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07-01-2016, 01:29 AM,
#2
parkergunz Offline
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RE: Mixing Alloy
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.
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07-01-2016, 08:51 AM,
#3
Don McDowell Offline
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RE: Mixing Alloy
Supposedly with this chilled shot it's 2% antimony.. Guess I'll order about 10 lbs of tin and see what happens.
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07-01-2016, 10:36 AM, (This post was last modified: 07-01-2016, 10:41 AM by Old Jim.)
#4
Old Jim Offline
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RE: Mixing Alloy
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!
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07-01-2016, 11:49 AM,
#5
Don McDowell Offline
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RE: Mixing Alloy
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.
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07-01-2016, 12:44 PM, (This post was last modified: 07-01-2016, 12:46 PM by Old Jim.)
#6
Old Jim Offline
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RE: Mixing Alloy
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!
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07-01-2016, 01:28 PM,
#7
Hiwall55 Offline
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RE: Mixing Alloy
Don I think Rotometals has Tin on sale right now. I just bought 7 lbs. last week and got free shipping. Bill
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07-01-2016, 01:30 PM,
#8
Don McDowell Offline
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RE: Mixing Alloy
I looked at them and Midway. Got the tin coming from BACO for a touch under 16$.
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07-01-2016, 10:31 PM,
#9
Lumpy Grits Offline
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RE: Mixing Alloy
Don-About where does that shot land in our lead/tin alloy world, in hardness?
G.
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07-01-2016, 11:30 PM,
#10
Don McDowell Offline
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RE: Mixing Alloy
Think I saw something the other day, it's about like wheelwright.
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