CA107

CA107, also known as UNS C64200 or CW301G/CW302G, is an aluminium silicon bronze alloy recognised for its high strength combined with excellent resistance to oxidation and corrosion, particularly in marine environments.

Chemical Composition

• Copper (Cu): Remainder (~92%)

• Aluminium (Al): 6.0 – 6.4%

• Silicon (Si): 2.0 – 2.4%

• Iron (Fe): 0.5 – 0.7%

• Manganese (Mn): Max 0.1%

• Nickel (Ni): Max 0.1%

• Other trace elements: Max 0.5%

Mechanical Properties

• Proof Stress (0.2%): 310 – 400 MPa

• Tensile Strength: 550 – 650 MPa

• Elongation: 30 – 40%

• Hardness (Vickers): 160 – 190 HV

Features and Applications

• Excellent corrosion resistance and oxidation resistance, especially in seawater and marine atmospheres

• High strength and toughness combined with good ductility

• Typical applications include marine hardware, pump and valve parts, fasteners, and structural components exposed to corrosive environments

• Available in multiple forms, including sheets, rods, bars, plates, and forgings