In the family of copper alloys,C93600 High Leaded Tin Bronze stands out due to its excellent wear resistance and superior corrosion resistance. As a high-lead-content cast copper alloy, C93600 not only boasts high strength and good thermal conductivity but also offers exceptional self-lubricating properties, making it an ideal material for heavy-load and complex working environments. This article will explore the chemical composition, mechanical properties, and application fields of C93600, helping you gain comprehensive insight into this high-performance copper alloy.

Chemical Composition:

Copper (Cu): 79% - 83%

Tin (Sn): 6% - 8%

Lead (Pb): 11% - 13%

Nickel (Ni): ~1%

Aluminum (Al): ≤0.005%

Iron (Fe): ≤0.2%

Sulfur (S): ≤0.08%

Silicon (Si): ≤0.005%

Zinc (Zn): ≤1%

Mechanical Properties:

Tensile Strength: ≥ 227 MPa

Yield Strength (0.5% extension load): ≥ 138 MPa

Elongation (2 inches or 50mm gauge length): ≥ 10%

Brinell Hardness (500kg load): 65

Physical Properties:

Density: 9 g/cm³

Thermal Conductivity: 49.36 W/(m·K)

Electrical Conductivity: 11% IACS (68℉)

Thermal Expansion Coefficient: 17.8×10⁻⁶/℃ (20 - 200℃)

Specific Heat Capacity: 377.1 J/(kg·K) (20℃)

Elastic Modulus: 96516 MPa

Key Features:

• High Strength and Wear Resistance: With excellent strength and hardness, it can withstand heavy loads and maintain low wear rates in friction environments, extending the service life of components.

• Superior Corrosion Resistance: Resistant to atmospheric, seawater, freshwater, and various chemical media, ensuring long-term stable operation of equipment.

• Excellent Machinability: Easy to cast, forge, cut, and weld, allowing the production of components in various shapes and sizes while reducing processing costs.

• Good Electrical and Thermal Conductivity: Suitable for electrical and electronic applications where conductivity and heat dissipation are crucial.

Application Fields:

• Electrical and Electronics: Used in electrical connectors, plugs, electronic slots, buttons, and electrical joints, ensuring stable operation with excellent conductivity and corrosion resistance.

• Machinery Manufacturing: Ideal for high-strength and wear-resistant mechanical parts such as bearings, gears, and bushings to withstand heavy loads and complex working conditions.

• Chemical Equipment: Suitable for corrosion-resistant pipes, valves, and containers in the chemical industry to resist aggressive chemical media.

• Marine Engineering: Widely applied in key components of marine environments due to its resistance to seawater and marine biological corrosion.

Manufacturing Processes:

• Casting: Excellent casting performance with high fluidity and low shrinkage, allowing the production of complex-shaped parts with high dimensional accuracy.

• Welding: Good performance in soft soldering and hard soldering. However, oxyacetylene welding, gas shielded welding, and coated metal arc welding are not recommended due to potential lead segregation and defects affecting alloy performance.

• Machining: Excellent cutting performance, high machining efficiency, and superior surface quality through turning, milling, drilling, and grinding processes.

B505 C93600  Summary:

Key Features:High Wear Resistance Corrosion Resistance Self-Lubrication

Elements: Copper + Lead + Tin + Zinc

Typical Applications: Bearings / Gears / Valve Seats / Continuous Casting Machine

Alternative Alloys: C93200 / C93600 / C95400

We can process this alloy into round bars, plates, round pipes/square pipes, and coils according to your requirements. If you have any inquiries, please feel free to contact us. Our email address is: sale@bolaibao1.com. We look forward to your inquiry!