C86700

C86700 is a leaded manganese bronze copper alloy known for its high strength, wear resistance, and corrosion resistance. It contains copper, zinc, lead, tin, iron, nickel, aluminium, and manganese in its composition, making it suitable for heavy-duty applications such as valves, pumps, marine hardware, and industrial machinery parts.

Chemical Composition of C86700

• Copper (Cu): 55.0 - 60.0%

• Zinc (Zn): 30.0 - 38.0%

• Lead (Pb): 0.5 - 1.5%

• Tin (Sn): Up to 1.5%

• Iron (Fe): 1.0 - 3.0%

• Nickel (Ni): Up to 1.0%

• Aluminium (Al): 1.0 - 3.0%

• Manganese (Mn): 0.1 - 3.5%

Mechanical and Physical Properties

• Tensile Strength: Approximately 85 ksi (586 MPa)

• Yield Strength: Approximately 42 ksi (290 MPa)

• Elongation: Around 20%

• Brinell Hardness: About 155 BHN

• Density: Approximately 8.33 g/cm³

• Melting Point: Solidus ~1583°F (862°C), Liquidus ~1616°F (880°C)

• Electrical Conductivity: 17% IACS at 68°F (20°C)

• Thermal Expansion Coefficient: 11 µm/m/°C (20–200°C)

• Modulus of Elasticity: 15,000 ksi (103,422 MPa)