Bearing, Metal Bronze – Bronze Alloys, copper bronze alloy

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Bronze & Bronze Alloys, copper bronze alloy

Bronze alloys are copper-based alloys primarily composed of tin, renowned for their outstanding mechanical properties, corrosion resistance, and excellent castability. Widely utilized in industry, bronze alloys are employed in manufacturing various components including sheets, plates, sliding bearings, bushings, flanges, and washers.

Providing Brass, Bronze, and Specialty Copper Alloys, Copper Alloy Machining Services

Grades of Bronze Alloys, copper bronze alloy

As a supplier of sliding bearings made from brass and bronze alloys, we pride ourselves on our service-oriented approach and readily available materials for prompt and accurate deliveries. Our dedicated team ensures timely access to copper, brass, bronze, stainless steel, and other metal alloys to meet your needs efficiently.

C862 Alloy: Typically possessing balanced physical and mechanical properties, potentially suitable for general industrial purposes, particularly in environments requiring certain strength and corrosion resistance.

C863 Alloy: This alloy may contain higher tin content, offering improved strength and hardness, suitable for applications requiring wear resistance and high load-carrying capacity.

C932 Alloy: Possibly a leaded bronze alloy, the addition of lead can enhance the alloy’s machinability and ease of mechanical processing, suitable for parts requiring precision machining.

C954 Alloy: This alloy may contain other alloying elements such as aluminum or nickel to enhance its corrosion resistance and strength, suitable for applications in harsh environments such as marine or chemical industries.

Solid lubricants are suitable for a broad spectrum of operating temperatures. The choice of lubricant depends on the intended use, operating temperatures, as well as the size and configuration of the bearing.

bronze bush CuZn25Al6Mn4 plain bearing copper base self-lubricating sleeve high strength brass inlaid graphite COPPER ALLOYS Large Size Centrifugal Casting Bronze Bearing Parts large-sized centrifugal bronze bushings
copper-nickel alloys like CuAl11Ni Centrifugal Casting Precision Bronze Bearing Bushings centrifugal casting techniques, bushes, rings

Key characteristics of bronze alloys include:

Elasticity and Fatigue Resistance: Bronze alloys exhibit good elasticity and fatigue resistance, making them ideal materials for components such as bearings and bushings subjected to repetitive loads.

Corrosion Resistance: Bronze alloys demonstrate excellent resistance to seawater and various chemical substances, making them commonly used in ships, marine engineering, and chemical processing equipment.

Wear Resistance: Some bronze alloys are highly suitable for manufacturing sliding bearings and other friction components due to their hardness and wear resistance.

Castability: Bronze alloys exhibit good castability, enabling the production of complex-shaped parts through various casting processes.

Elasticity and Fatigue Resistance: Bronze alloys exhibit good elasticity and fatigue resistance, making them ideal materials for components such as bearings and bushings subjected to repetitive loads.

Corrosion Resistance: Bronze alloys demonstrate excellent resistance to seawater and various chemical substances, making them commonly used in ships, marine engineering, and chemical processing equipment.

Wear Resistance: Some bronze alloys are highly suitable for manufacturing sliding bearings and other friction components due to their hardness and wear resistance.

Castability: Bronze alloys exhibit good castability, enabling the production of complex-shaped parts through various casting processes.

Cast Bronze Alloys

Cast bronze alloys, known for their versatility, have been utilized for centuries across a wide range of bearing applications, surpassing other bearing materials in adaptability. By adding different elements to copper, the properties of bronze can be tailored to meet the specific needs of virtually any application, based on the required physical, mechanical, and metallurgical characteristics.

There is an extensive variety of bronze alloys available for use in industrial and structural applications. Aluminum bronze and manganese bronze are typically favored for applications involving high loads, due to their exceptional toughness and shock resistance.

The below chart displays high-strength bronze alloys commonly used in industrial and structural applications. Additional alloys are available to meet specific needs.

Alloy No. Description ASTM Specification Maximum Recommended Bearing Load Maximum Recommended PV
614 Aluminum Bronze B169-C61400 5000 psi / 35 N/mm² 60,000 psi-ft/min / 130 N/mm²-m/min
862 Manganese Bronze B584-C86200 6000 psi / 41 N/mm² 72,000 psi-ft/min / 150 N/mm²-m/min
863 Manganese Bronze B22-C86300 8000 psi / 55 N/mm² 80,000 psi-ft/min / 170 N/mm²-m/min
865 Manganese Bronze B584-C86500 4000 psi / 27.5 N/mm² 48,000 psi-ft/min / 100 N/mm²-m/min
905 Tin Bronze B22-C90500 2000 psi / 14 N/mm² 30,000 psi-ft/min / 65 N/mm²-m/min
911 Tin Bronze B22-C91100 2500 psi / 17.5 N/mm² 36,000 psi-ft/min / 75 N/mm²-m/min
924 Leaded Tin Bronze B22-C90500M 2000 psi / 14 N/mm² 30,000 psi-ft/min / 65 N/mm²-m/min
932 High Leaded Tin Bronze B584-C93200 1500 psi / 10 N/mm² 24,000 psi-ft/min / 50 N/mm²-m/min
937 High Leaded Tin Bronze B22-C93700 1000 psi / 7 N/mm² 20,000 psi-ft/min / 45 N/mm²-m/min
954 Aluminum Bronze B148-C95400 4000 psi / 27.5 N/mm² 48,000 psi-ft/min / 100 N/mm²-m/min
955 Nickel Aluminum Bronze B148-C95500 6000 psi / 41 N/mm² 72,000 psi-ft/min / 150 N/mm²-m/min
958 Alpha Nickel Aluminum Bronze B148-C95800 5000 psi / 35 N/mm² 60,000 psi-ft/min / 130 N/mm²-m/min

Bearing Types:

  • Sleeve Bearings

  • Flange Bearings

  • Thrust Bearings

  • Spherical Plain Bearings

  • Expansion Bearing Plates

  • Radial Bearing Plates

  • Spherical Bearing Plates

Tolerances

For most self-lubricating bearings, machining tolerances range from ±0.001 to ±0.002 inches (±0.025 to ±0.050 mm) for inside diameters and ±0.0005 to ±0.001 inches (±0.012 to ±0.025 mm) for outside diameters. Surface finishes typically do not exceed 63 microinches (1.6 micrometers).

When selecting bronze alloys, the following factors need to be considered:

Application Environment: Different environmental conditions (such as temperature, humidity, chemical exposure) will influence the choice of bronze alloy.

Load Requirements: Select alloys with appropriate strength and hardness based on the type and magnitude of loads the components will endure.

Processing Requirements: Consider the alloy’s processing properties, including casting, machining, and heat treatment capabilities.

Cost-effectiveness: The cost of the alloy is related to its performance and processing difficulty, requiring a selection based on budget and performance requirements.

Each bronze alloy has its unique properties suitable for specific industrial applications. When selecting bronze alloys, consulting with material experts or suppliers is recommended to ensure the chosen material meets the performance requirements of the specific application.

Self-lubricating bronze bearing alloys are produced in strict adherence to ASTM and ISO material specifications. Various casting methods, including centrifugal, continuous, sand, and forged, are offered to accommodate different sizes and shapes as needed. Physical and chemical test reports can be provided upon request.

Each alloy possesses unique properties and applications. Here’s a brief overview of bronze alloys:

Commercial Bronze (C22000): Often referred to as commercial bronze or common bronze, contains small amounts of tin and zinc, exhibiting good castability and mechanical properties.

Phosphor Bronze (C51000): A bronze alloy containing phosphorus, enhancing strength and wear resistance, commonly used in springs and high-load applications. C54400: A high-tin content phosphor bronze with increased strength and hardness.

Aluminum Bronze (C61400): A bronze alloy containing aluminum, with excellent corrosion resistance and high strength, suitable for marine applications and high-wear components.

C95400 and C95900: These alloys may contain varying amounts of aluminum and other alloying elements, used for specific corrosion-resistant and high-strength applications.

Nickel Aluminum Bronze (C63000, C63020, C63200): These alloys contain nickel and aluminum, providing excellent strength, corrosion resistance, and seawater resistance, commonly used in marine engineering and chemical equipment.

Nickel Aluminum Bronze (C95500): Possibly a specific composition of nickel aluminum bronze used in applications requiring high corrosion resistance and strength.

Aluminum Silicon Bronze (C64200): Contains aluminum and silicon, exhibiting good castability and mechanical properties.

Silicon Bronze (C65100 – low silicon bronze, C65500 – high silicon bronze): These alloys contain varying amounts of silicon, offering different performance characteristics, with high silicon bronze having better wear resistance.

Manganese Bronze (C67500 and C86300): Bronze alloys containing manganese, offering good strength and wear resistance, commonly used in ship propellers and underwater equipment.

Eco Bronze (C87850): Possibly a bronze alloy with special compositions aimed at reducing environmental impact.

Bismuth Tin Bronze (C89835): Contains bismuth and tin, potentially exhibiting unique mechanical properties and good castability.

Tin Bronze (C90300): A tin bronze alloy with high tin content, featuring good mechanical properties and corrosion resistance.

Leaded-Tin Bronze (C93200): A tin bronze containing lead, commonly used in bearing manufacturing due to its excellent lubrication and wear resistance.

Toughmet Nickel Bronze (C96900): A high-strength, high-hardness nickel bronze alloy, suitable for high-load and wear environments.

Each bronze alloy has specific applications, and selecting the appropriate alloy depends on factors such as final usage, working environment, mechanical performance requirements, and cost. Specific alloys may be required to meet performance requirements in certain applications. For further details on the performance and applications of each alloy, refer to relevant material standards or contact alloy manufacturers.

Explore Other Alloys

 

Suggested Searches: C86200, C86300, C93200, C95400

Material type: Aluminium Bronze, Tin bronze, Leaded bronze; Brass alloy, Special alloy

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