(Silicon Bronze)

Used in a wide variety of electrical, fasteners and industrial applications.

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

Electric motor component containing C64700 silicon bronze

Chemical Composition

Copper (Cu)


Lead (Pb)

0.09% Max

Iron (Fe)

0.10% Max

Zinc (Zn)

0.50% Max

Nickle (Ni)

1.6 – 2.2%

Silicon (Si)

0.4 – 0.8%

Cu + Sum of Named Elements


C26000 alloy, sometimes referred to as “silicon bronze” is often used in electrical motor rotor bars, fasteners and for brazing and welding rods.