CW115C

CW115C is a copper alloy also known as UNS C65100 or low-silicon bronze B. It is notable for good corrosion resistance, moderate strength, excellent brazeability, and weldability, commonly used in marine, electrical, and industrial applications.

Chemical Composition

• Copper (Cu): 94.5 – 99.2%

• Silicon (Si): 0.8 – 2.0%

• Zinc (Zn): 0 – 1.5%

• Iron (Fe): 0 – 0.8%

• Manganese (Mn): 0 – 0.7%

• Lead (Pb): 0 – 0.05%

Mechanical Properties

• Tensile Strength: Approx. 380 MPa

• Yield Strength: Approx. 140 MPa

• Elongation: 15%

• Hardness: Medium Brinell (about 60-90 HRB)

• Modulus of Elasticity: Approx. 120 GPa

Physical Properties

• Density: Approximately 8.75 g/cm³

• Melting Range: 1030 - 1060°C

• Electrical Conductivity: About 12% IACS

• Thermal Conductivity: Approximately 33 BTU/(ft·hr·ft²·°F)

Applications

• Electrical conduit, stress-relief springs, fasteners

• Boat propeller shafts, marine hardware

• Hydraulic machinery, oil refinery, plumbing

• Heat exchanger tubes