MidwayUSA has teamed up with an industry leading Certified Lead Foundry to offer the highest quality casting alloys available. This 40 to 1 alloy features forty parts of lead and one part of tin (97.5% lead, 2.5% tin). This alloy is great for many black powder cartridges and is known for its excellent expansion and weight retention. The Brinell Hardness of 40-1 alloy is approximately 8.5. Sold by the ingot, not by weight.
Alloy Composition: 40 parts Lead, 1 part Tin
Ingot Dimensions: 8-3/4" Long x 1-3/4" Wide x 1-1/4" Tall
Ingot Weight: 6 lbs
Approximate Brinell Hardness: 8.5