Leaded Bronze Materials

Solid bronze plain bushes for heavy duty applications

flanged Leaded Bronze Custom Size with holes

Leaded Bronze Custom Size

Leaded bronze typically consists of: Copper (Cu): 74%-78%, Tin (Sn): 7%-9%, Lead (Pb): 14%-16%, Nickel (Ni): up to 1%, Zinc (Zn): up to 1%, Iron (Fe): up to 0.3%.

Common standard sizes include:

– Inner Diameter: 10mm, 20mm, 30mm, …

– Outer Diameter: 12mm, 25mm, 35mm, …

– Height: 5mm, 10mm, 15mm, …

To address specific customer needs, we offer custom sizes based on parameters like Inner Diameter, Outer Diameter, and Height for compatibility with the customer’s equipment. Our customization also includes material selection, surface treatments, and performance specifications. Our engineers will collaborate closely with customers to ensure the products meet their technical and performance standards.

Durable Leaded Bronze Bushings – Buy Now

Leaded bronze, especially in the form of leaded tin bronze, is a popular choice for bushings due to its outstanding mechanical properties, machinability, and resistance to wear and corrosion. This alloy generally includes copper, tin, and lead, with lead content ranging from 14% to 16% in many formulations like CAC604 and C92700. Looking for durable and long-lasting bushings? Our leaded bronze bushings provide exceptional durability and performance. Shop online today!

Bronze Alloy Chart, Self Lubricated Graphite fitted bush
Wide Selection of Standard and Custom Products
ASTM Bronze material Plate
Bronze graphite bearings are ideal for applications requiring continuous lubrication in hard-to-reach areas.

Characteristics of Leaded Bronze Materials

Leaded bronze materials exhibit several key characteristics:

  • Self-Lubrication
  • Wear Resistance: The lead particles in leaded bronze provide lubrication during friction, and the bronze itself has high hardness, offering good wear resistance.
  • Castability & Machinability
  • Corrosion Resistance: has good resistance to various corrosive media, especially seawater and atmospheric corrosion.
  • Strength and Hardness: Leaded bronze has higher strength and hardness compared to pure copper, enabling it to withstand greater working loads.
  • Thermal Conductivity: Copper is an excellent thermal conductor, and leaded bronze aiding in heat dissipation.
  • Elastic Modulus: Leaded bronze has a moderate elastic modulus, allowing it to maintain some elasticity when subjected to deformation. Non-Magnetic: Leaded bronze is non-magnetic and is not affected by magnetic fields.
  • Weldability and Solderability: Some leaded bronze alloys have good weldability and solderability, facilitating welding processes.
  • Performance at Low and High Temperatures
  • Environmental Adaptability
Leaded Bronze thrust washer with holes
Leaded Bronze bushing

Leaded bronze Material in Bushings

Leaded bronze bushings are highly valued for their reliability and performance across various industries. Key applications include:

  • Automotive Industry: Suspension systems, steering components, and engine parts.
  • Machinery and Equipment: Heavy-duty machinery, industrial presses, and conveyors.
  • Marine Applications: Pump bodies and valve components exposed to seawater. Pumps and Valves: Sealing and reducing friction in rotating components. Shipbuilding: Propellers and rudders to resist seawater corrosion.
  • Industrial Machinery: Sliding parts and bearings to improve efficiency and durability.

Discover the Power of Leaded Bronze Bushings!

For the heavy machinery industry, reliability isn’t just a feature—it’s a necessity. Our Leaded Bronze Material Bushings are the backbone of your equipment’s performance. Trust us to keep your operations running smoothly.

ASTM B505 C93200 (SAE 660, CDA 932)

Composition:

  • 81–85% Cu, 6.3–7.5% Sn, 6–8% Pb, 1–4% Zn, 1% Ni, traces of Fe/Sb.
    Key Properties:
  • High strength, shock resistance, and corrosion resistance in seawater/brine.
  • Tensile strength: ~330 MPa (typical), Yield: ~140 MPa.
    Temperature Resistance:
  • Max Service Temp: ~200°C (intermittent), 150°C (continuous).
    Applications:
  • Automotive bearings, bushings, gears, and marine components.
    Standards: ASTM B505, SAE J461/J462.

Temperature Resistance Summary

Alloy Max Continuous Temp Key Influencing Factors
C93200 (SAE 660) 150°C Moderate Pb, balanced Sn
C93600 150°C High Pb reduces thermal stability
CC496K 150°C High Pb (15%)
CC495K 200°C Higher Sn (10%) strengthens
C93400 150°C Moderate Pb (7%)

Application Analysis

  • High-Load, Lubricated Systems: C93200 and C93700 excel in automotive/marine bearings.
  • Low-Lubrication Environments: CC496K and CuPb15Sn8 tolerate grit and intermittent oiling.
  • Corrosive Settings: CC495K (CuSn10Pb10) is ideal for marine and chemical hardware.
  • Precision Machining: C93600 and C93400 offer easy machining for custom bushings.

C93600 (Modified SAE 64 Bronze)

Composition:

  • 79–83% Cu, 11–13% Pb, 6–8% Sn.
    Key Properties:
  • Superior lubrication under pressure; moderate strength.
    Temperature Resistance:
  • Max Service Temp: ~150°C (limited by high Pb content).
    Applications:
  • Bushings for hydraulic systems, pumps, and low-speed/high-pressure environments.
    Standards: ASTM B505.

C93700 (“Bearing Bronze”)

Composition:

  • High Pb/Sn (exact % varies; similar to C93200 with optimized Pb).
    Key Properties:
  • Enhanced wear resistance and durability under heavy loads.
    Temperature Resistance:
  • Max Service Temp: ~180°C.
    Applications:
  • Industrial bearings, mining equipment, and high-load machinery.
    Standards: ASTM B505.

C93400 (High-Leaded Bronze)

Composition:

  • ~84% Cu, 7% Sn, 7% Pb, 2% Zn (typical).
    Key Properties:
  • Excellent machinability and moderate load capacity.
    Temperature Resistance:
  • Max Service Temp: ~150°C.
    Applications:
  • General-purpose bushings, washers, and low-friction components.
    Standards: ASTM B505.

EN 1982 CC496K (CuSn7Pb15-C)

Composition:

  • 72–79.5% Cu, 6–8% Sn, 13–17% Pb.
    Mechanical Properties:
  • Tensile: 210 MPa, Yield: 99 MPa, Thermal Conductivity: 52 W/m·K.
    Temperature Resistance:
  • Max Service Temp: ~150°C (suits dusty/gritty environments).
    Applications:
  • Automotive/aerospace bushes with intermittent lubrication.
    Standards: BS EN 1982, BS 1400 LB1.

EN 1982 CC495K (CuSn10Pb10-C)

Composition:

  • 76–82% Cu, 9–11% Sn, 8–11% Pb.
    Mechanical Properties:
  • Tensile: 240 MPa, Yield: 120 MPa, Thermal Conductivity: 48 W/m·K.
    Temperature Resistance:
  • Max Service Temp: ~200°C (higher Sn improves thermal stability).
    Applications:
  • Marine hardware, acid-resistant fasteners, and precision bearings.
    Standards: DIN 17656, EN 1982, AS 1565.

Bronze Bearing Materials, Guide To Bronze Sleeve Bearings

We provide custom manufacturing of finished bronze bearing material parts and self-lubricating bronze, precisely based on our customs’ drawings.