Brass Hammer Metal Types

Yellow Brass (Copper Alloy #865)-

Yellow Brass, also considered a "Bronze", is 60% Copper, 33% Zinc, 2% Iron,
1.5% Aluminum, 1-5% Manganese, 1% Tin, .5% Nickel. Brinell Hardness of
100.

Nickel Aluminum Bronze (Alloy #958)-

This alloy is 79% Copper, 10% Aluminum, 4% Iron, 2% Manganese and 5%
Nickel. This alloy is more durable than 100% copper, Red and Yellow Brass.
Hardness is approximately 150-190.

Red Brass (Copper Alloy #836)-

Red Brass is 85% Copper, 5% Tin, 5% Lead, 5% Zinc. With a Brinell
hardness of 60, #836 Red Brass is softer than NAB #958 and Yellow Brass
#865.