(Aluminum Bronze, 9%)

Used in a wide variety of fasteners, industrial, marine applications.

To download a detailed spec sheet on this alloy from the Copper Development Association, click the button below.

A gear made from C62300 Aluminum Bronze

Chemical Composition

Copper (Cu)


Tin (Sn)

0.60% Max

Iron (Fe)

2.0 – 4.0%

Nickel (Ni)

1.00% Max

Aluminum (Al)

8.5 – 10.0%

Silicon (Si)

0.25% Max

Manganese (Mn)

0.50% Max

Cu + Sum of Named Elements


C62300 alloys are referred to as aluminum bronze and used in processes involving cold working, hot forming and welding. It is frequently used in making bolts, nuts, bearing races, bearings, bushings, cams, gears, pump rods, valve guides, valve seats, worm gears, and marine hardware.