Have Some No.1 Rod Swarf/Night?

Brass gun shells are typically made from Brass, Steel and Lead and are used in ammunition. 

A form of Bronze, Gunmetal borings typically contain zinc, aluminium and copper and, due to their strength, are often used for drilling and other manufacturing processes. 

Generally, phosphor bronze is easy to identify as it doesn’t rust and isn’t magnetic. Bronze will have a much redder hue to similar-looking metals like brass.

Coupled with pure Copper and Brass, these radiators are stronger and more tactile than standard, soldered radiators. Due to this, they are found in vehicles.

Irony brass is that which contains high amounts of iron and zinc. Typically found in plumbing and hardware.