CA103

CA103 is an aluminium bronze alloy, also known as UNS C62300, notable for its high strength, wear resistance, and corrosion resistance in marine and acidic environments.

Chemical Composition (Typical)

• Copper (Cu): Balance (~rem)

• Aluminium (Al): 9.5%

• Iron (Fe): 4.0%

• Nickel (Ni): 4.0%

• Tin (Sn): ~0.6%

• Manganese (Mn): ~0.5%

• Silicon (Si): ~0.25%

Mechanical Properties

• Ultimate Tensile Strength: 520 - 700 MPa

• Proof Stress (Yield Strength): 215 - 450 MPa

• Elongation: 22 - 35%

• Hardness: 155 - 190 HB

Key Features

• High corrosion resistance, especially in seawater and acidic environments

• Good strength and ductility

• Excellent wear resistance and toughness

• Good hot forgeability and machinability

Applications

• Offshore and marine hardware

• Corrosion-resistant parts and high-strength fasteners

• Valve and pump components, gears, bearing races, valve stems, worm gears, bearings, bushings, cams, and pump rods