Oilless Bearing

CuZn35Mn2Al1Fe1-C Bronze Bushing

CuZn35Mn2Al1Fe1-C Bronze Bushing

Self-lubricating bronze bearings are engineered for applications where external lubrication is impractical. Solid lubricants are compressed and molded directly into the bearing to guarantee a maintenance-free product. No additional lubrication is necessary.

Understanding CuZn35Mn2Al1Fe1-C Bronze Bushing: The CC765S Alloy

CuZn35Mn2Al1Fe1-C, also known as CC765S, is a high-performance brass alloy specifically engineered for applications requiring excellent wear resistance, tensile strength, elongation, weldability, and fatigue resistance. This alloy is widely used in the production of durable bronze bushings and other mechanical components subjected to high loads and stress.

Key Features of CC765S CuZn35Mn2Al1Fe1-C Alloy

1. Chemical Composition

The alloy comprises a balanced combination of copper, zinc, manganese, aluminum, and iron, with traces of other elements to enhance its overall performance. Below is a detailed breakdown:

Element Minimum (%) Maximum (%) Contribution
Copper (Cu) 57.0 65.0 Base metal providing corrosion resistance and mechanical strength.
Zinc (Zn) Remainder Remainder Increases strength, hardness, and wear resistance.
Manganese (Mn) 0.5 3.0 Improves wear resistance and enhances strength.
Aluminum (Al) 0.5 2.5 Boosts hardness and corrosion resistance.
Iron (Fe) 0.5 2.0 Enhances tensile strength and hardness.
Nickel (Ni) — 6.0 Increases toughness and corrosion resistance.
Tin (Sn) — 1.0 Improves machinability and resistance to wear.
Lead (Pb) — 0.5 Enhances lubricity and machinability.

Other trace elements such as phosphorus (P), antimony (Sb), and silicon (Si) also contribute to the alloy’s specialized properties.

2. Mechanical Properties

The alloy demonstrates robust mechanical performance, making it suitable for demanding applications. Its properties vary slightly based on the casting method, with continuous casting (GC) and centrifugal casting (GZ) being common options:

Property Continuous Casting (GC) Centrifugal Casting (GZ)
Tensile Strength (MPa) ≥500 ≥500
Yield Strength (MPa) ≥200 ≥200
Elongation (%) ≥18 ≥18
Brinell Hardness (HBW) ≥120 ≥120

These properties ensure the material can withstand significant mechanical stresses and maintain performance under abrasive conditions.

copper bushing bearing CuZn35Mn2Al1Fe1-C Bronze Bushing CC765S Alloy

3. Advantages

  • Wear Resistance: Ideal for applications involving sliding and rotational motion.
  • High Strength: Excellent tensile and yield strength for durability.
  • Corrosion Resistance: Performs well in industrial and marine environments.
  • Fatigue Resistance: Long-lasting under cyclic loading conditions.
  • Versatility: Suitable for both lubricated and dry conditions.

Applications of CC765S CuZn35Mn2Al1Fe1-C Alloy

The unique combination of properties makes this alloy indispensable in industries like automotive, marine, and heavy machinery. Some common uses include:

  1. Bronze Bushings:
    • Used in high-load and high-wear environments such as gears, pumps, and compressors.
  2. Sliding Bearings:
    • For applications requiring low friction and high durability.
  3. Shaft Sleeves & Wear Plates:
    • Ensures longevity and resistance to mechanical wear.
  4. Hydraulic Components:
    • Performs reliably under high-pressure conditions.

Why Choose CuZn35Mn2Al1Fe1-C Bronze Bushings?

When selecting materials for bushings or other load-bearing components, the CC765S alloy stands out for its ability to balance mechanical strength, wear resistance, and cost-effectiveness. Its performance in harsh environments ensures reduced downtime and maintenance costs for machinery.

If you’re considering using CuZn35Mn2Al1Fe1-C bronze bushings for your next project, it’s a choice rooted in reliability, strength, and versatility. Whether for industrial machinery or marine applications, this alloy delivers consistent performance under demanding conditions.

Graphite Plugged CuZn35Mn2Al1Fe1-C Bronze Bushing: A Comprehensive Guide

Graphite plugged bronze bushings are a self-lubricating solution ideal for demanding applications. These bushings, made from the high-performance CuZn35Mn2Al1Fe1-C alloy, offer exceptional durability, wear resistance, and versatility.

What Are Graphite Plugged Bronze Bushings?

These bushings embed solid graphite plugs into a bronze alloy matrix. The graphite provides continuous lubrication under pressure, eliminating the need for external lubrication. This makes them suitable for environments where traditional lubricants fail.

Benefits of Graphite Plugged CuZn35Mn2Al1Fe1-C Bushings:

  • Self-Lubrication: Embedded graphite reduces friction and wear, even in dry conditions.
  • High Wear Resistance: The alloy withstands high loads and abrasive conditions.
  • Corrosion Resistance: Resistant to marine environments, chemicals, and industrial contaminants.
  • High Load Capacity: Excellent tensile strength (≥500 MPa) ensures performance under heavy loads.
  • Temperature Resistance: Performs across a wide temperature range.
  • Reduced Maintenance: Self-lubrication minimizes downtime and maintenance needs.

Applications:

  • Heavy Machinery: Excavators, loaders, industrial presses.
  • Marine Equipment: Shipbuilding, propeller shafts, and seawater-exposed parts.
  • Automotive Industry: Suspension systems, brakes, and chassis components.
  • Hydraulic & Pneumatic Systems: Smooth operation of cylinders and actuators.
  • Power Plants: Turbines and valves with reduced maintenance needs.

Customization Options:

  • Graphite Plug Patterns: Optimized for load distribution and lubrication.
  • Dimensions: Custom sizes for specific applications.
  • Surface Treatments: Additional coatings for enhanced corrosion resistance.

Why Choose CuZn35Mn2Al1Fe1-C?

This alloy offers superior mechanical strength, excellent corrosion resistance, and high performance when combined with graphite lubrication, making it a reliable choice for challenging environments.

Custom Bronze Bushing Solutions Tailored self lubricating Designs

Can’t find the right fit? We provide custom-engineered self lubricating bushing and replaced bearing solutions based on your technical drawings. From material selection to groove geometry, we solve your unique bearing challenges.