Results for: manganese-brass

What exactly is a Sacajawea dollar made of?

All Sacagawea and Presidential dollar coins have the same composition. The outer layer is manganese brass bonded to the inner core of pure copper. The combined percentage of each metal is 88.5% Copper, 6% Zinc, 3.5 Manganese, 2% Nickel Full Answer

What is the Sacagawea dollar made of?

All Sacajawea dollar coins and Presidential dollar coins have the same composition, outer layers of manganese brass bonded to an inner core of copper. The combined percentages of metals are: 88.5% Copper 6% Zinc 3.5% Manganese 2% Nickel Full Answer