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Joined: Jan 2013
Posts: 181
Campfire Member
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OP
Campfire Member
Joined: Jan 2013
Posts: 181 |
If you�ve ever wondered about the purity of the lead/tin casting alloy you�ve mixed or purchased, there is a relatively simple process to determine the percentages. But first, using a good reloading scale, you must determine the specific gravity (SG) of the alloy. I recently received permission from SPG, Inc. to post, on my website, an article I authored on the subject. It was published in the Summer 2014 edition (Issue #86) of the Black Powder Cartridge magazine. Following is the link to the article titled, Measuring & Using Specific Gravities of Lead Alloys: http://www.texas-mac.com/Measuring_and_Using_Specific_Gravities_of_Lead_Alloys.html.Wayne
Last edited by texasmac; 07/27/14.
NRA & TSRA Lifetime member. NSSF member. Author & Publisher of the Browning 1885 BPCR book. See www.texas-mac.com
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Joined: Jun 2001
Posts: 8,649
Campfire Outfitter
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Campfire Outfitter
Joined: Jun 2001
Posts: 8,649 |
Very nice, and thank you for posting it!
I recall that method, but it is nice to be able to have it in the computer and not just in old paper magazines!
John
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Joined: Mar 2011
Posts: 6,412
Campfire Tracker
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Campfire Tracker
Joined: Mar 2011
Posts: 6,412 |
Excellent article and thanks for increasing my knowledge.
Me solum relinquatis
Molon Labe
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