Here's a sampling of data from these sources:
Sources and References:
www.lasc.us/SuperHard.htm www.lasc.us/CastBulletNotes.htm www.castboolits.gunloads.com www.rotometals.com/Bullet-Casting-Alloys-s/5.htm www.midwayusa.com/browse/BrowseProducts.aspx?tabId=1&categoryId=8662&categoryString=9315***685***
I copied a section of my spreadsheet, so this formatting didn't hold up, but you can see the alloying relationships...
Description Composition Uses Hardness Est. Hardness
Pure Lead (100% Lead) Minies, Round Brinell 5 8.6
Pure Tin (100% Tin) Alloy Brinell 7 -
Pure Antimony (100% Antimony) Alloy Brinell 50 -
Antimonial Lead (5% Antimony, 95% Lead) Alloy Brinell
13.2
Super Hard Alloy (30% Antimony, 70% Lead) Alloy Brinell
36.2
40 to 1 Alloy (2.5% Tin, 97.5% Lead) Blackpowder Brinell 8 9.3
30 to 1 Alloy (3% Tin, 97% Lead) Blackpowder Brinell 9 9.5
25 to 1 Alloy (4% Tin, 96% Lead) Blackpowder Brinell 9 9.8
20 to 1 Alloy (5% Tin, 95% Lead) Blackpowder Brinell 10 10.1
Chilled Shot (2% Antimony, 98% Lead) Shotgun Brinell
10.4
Magnum Shot (5% Antimony, 95% Lead) Shotgun Brinell
13.2
Wheel Weight - Stick On (0.5% Tin, 99.5% Lead) Minies, Round Brinell 6 8.7
Wheel Weight - Clip On (0.5% Tin, 2% Antimony, 97.5% Lead) Pistol, Rifle Brinell 12 10.6
Lyman's No. 2 (5% Tin, 5% Antimony, 90% Lead) Pistol, Rifle Brinell 15 14.7
Hardball Alloy (2% Tin, 6% Antimony, 92% Lead) Pistol, Rifle Brinell 16 14.7
Linotype Alloy (4% Tin, 12% Antimony, 84% Lead) Alloy Brinell 19 20.8
Monotype Alloy (9% Tin, 19% Antimony, 72% Lead) Alloy Brinell 26 28.7