Alloy

Copper (Kg)

Zinc (Kg)

Total Mass (Kg)

Cu-5%Zn

1.425

0.075

1.5

Cu-10%Zn

1.35

0.15

1.5

Cu-15%Zn

1.275

0.225

1.5

Cu-20%Zn

1.2

0.3

1.5

Cu-30%Zn

1.125

0.375

1.5

Total

6.375

1.125

7.5