CW61400

CW61400 is an aluminium bronze alloy also known as CuAl8Fe3. It is valued for its excellent mechanical properties, corrosion resistance, and ductility, making it suitable for high-load and marine applications.

Chemical Composition

• Copper (Cu): Balance (~87-89%)

• Aluminium (Al): Approximately 7-8%

• Iron (Fe): Approximately 2-3%

• Minor amounts of manganese, nickel, and other elements

Mechanical Properties

• Ultimate Tensile Strength: Approximately 520 MPa

• Proof Stress (Yield Strength): Around 230 MPa

• Elongation: About 35%

• Hardness: ~100 HB (Brinell Hardness)

Physical Properties

• Density: Approximately 7.45 - 7.67 g/cm³

• Modulus of Elasticity: Around 117,000 MPa

• High corrosion resistance, especially in marine environments

• Good ductility and toughness, suitable for heavy-duty applications

Applications

• Offshore and marine hardware, like fasteners, pump components, and pressure vessels

• Bushings, bearings, and gear parts

• Components exposed to corrosive and erosive environments

Fabrication

• Good hot workability

• Moderate machinability

• Suitable for welding, brazing, and soldering with proper methods