Self-Lubricating Bronze Bearings and Slide Plates: The Ultimate Solution for Friction and Wear Challenges

01.

Precision Engineering

Advanced production and quality control processes enable us to meet tight tolerances and exact specifications, ensuring superior accuracy and consistency.

02.

Client Centric Approach

We adapt our manufacturing processes to align with client requirements, offering tailored solutions for a wide range of applications.

03.

Timely Delivery

Committed to meeting tight deadlines without compromising on quality, we ensure reliable and efficient production timelines.

04.

Versatility

Capable of handling both small-scale and high-volume orders, we provide seamless support for projects of any size.

Specializing in self-lubricating bronze bearings and non-ferrous metals Bushings

We manufacture bronze bushings and self-lubricating bronze plates tailored to client specifications, including bushings, slide graphite plates, and various components, serving clients worldwide. Our extensive services ensure we meet customer expectations, and we provide customized delivery dates agreed upon before order placement.

cual10ni bronze ring and sliding bearing

Continuous Cast Bronze Alloys

Turbocharge the Way You Make Custom Parts

On-Demand Manufacturing, Continuous Cast Bronze Alloys

Sliding bearings for heavy duty self-lubricating plates bronze with graphite to the dimensions of drawings highest tensile strength among cast brasses

Cast Bronze Alloys Bearing and Bushing

Manufacturing Standards, Material Selection, Finishes, Case Studies, CNC Machined Metals, Bronze Alloy, Custom Self-Lubricating Bearing Design Guide.

Viiplus is an engineered iron that provides machining advantages for bronze bearings, as well as a variety of other continuous cast bronze components such as bushings, flange bearings, slide plates, thrust bearings, washers, and self-lubricating bearings. Viiplus continuous cast bronze bearing finished parts offer effective solutions, enhance performance, and result in significant long-term cost savings. Additionally, Viiplus Services offers a comprehensive range of continuous cast and wrought (extruded) bronze bearing materials and alloys—from standard options to virtually any special alloy, custom shapes, or sizes.

Advantages of Bronze Bearings:

Bronze bearings provide excellent wear resistance, high load capacity, corrosion resistance, low friction, self-lubrication, good machinability, and the ability to perform in harsh conditions and a wide temperature range, making them ideal for heavy-duty industrial applications requiring durability and reliability.

  • Corrosion Resistance: Most copper alloys, including bronze, form a protective surface film that provides resistance to a wide range of corrosive environments.
  • High-Temperature Endurance: Several bronze alloy families perform effectively in elevated temperature conditions, making them suitable for high-heat applications.
  • Friction and Wear Resistance: Copper alloys exhibit excellent wear properties against steel, making them ideal for bearing and gear components.

  • Good Machinability: Bronze alloys are generally easier to machine than steel, providing efficiency and precision in manufacturing.

  • Weldability: Many bronze grades can be welded, offering versatility in fabrication processes.

  • Brazing and Soldering Compatibility: All bronze alloys can be brazed or soldered, enabling strong, durable joints in a variety of applications.

Continuous Cast

Viiplus offers a wide selection of continuous cast bronze bearings, including standard and custom alloys, slide plates, and bespoke sizes.

Wrought

Viiplus delivers fast turnaround on a wide range of wrought alloys, including standard bronze bearings and custom options. We also offer flange bushings, wear plates, thrust washers, and various other sizes to meet specific requirements.

Viiplus is a trusted source for bronze alloy bearings, with products serving a wide range of industries and applications. Contact us today if you have a challenge or specific need where bronze could be the ideal solution.

Bushings – Plain Bearings – Sleeve Bearings

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High-Load Bronze Bushings Hardness

Unlocking the Potential of CuAl10Fe5Ni5: Applications of Large Disc-Shaped Copper Components

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CuSn8 Bronze Bearings for Heavy-Duty Wheels in Harsh Environments

Unlocking the Potential of CuAl10Fe5Ni5: Applications of Large Disc-Shaped Copper Components

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Grooved Thrust Washers

Unlocking the Potential of CuAl10Fe5Ni5: Applications of Large Disc-Shaped Copper Components

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ZCuAl9Fe4Ni4Mn2 Aluminum Bronze Bushing Brass Bearing

Unlocking the Potential of CuAl10Fe5Ni5: Applications of Large Disc-Shaped Copper Components

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From raw materials to finished products, We do it all. Helping industry around the world with our ExperienceDedicationVision & Goals

bronze slide plate Oil-Free Slide Plates : - Press Die Components components for press process
Bronze Bearing and Slide plate material

Bronze is valued for its corrosion resistance, abrasion resistance, and good machinability. Self-lubricating bronze bearings and slide plates effectively resolve friction and wear issues in industrial machinery. Their durability, low maintenance, and high performance make them a top choice for engineers and manufacturers globally. Whether for heavy machinery, automotive systems, or marine equipment, these components deliver the reliability and efficiency required.

Grade Alloy FEATURE  APPLICATION
Tin Bronze CuSn10 B10 Heavily loaded machine parts such as bearings, bushings, and drives; steam/water equipment; resistant to some acids.
Tin-Phosphor Bronze CuSn10P B101 High-load, high-speed bearings in poorly lubricated or corrosion-prone environments (e.g., chemical fittings, industrial machinery).
Tin-Zinc Bronze CuSn10Zn2 B102 High-stress, corrosion-resistant machine parts in shipbuilding and paper industries (e.g., pumps, valves).
Tin-Lead Bronze CuSn10Pb10 B1010 Bearings and friction components operating under high pressure and speed (e.g., hydraulic systems, compressors).
G-CuPb10Sn
CuPb10Sn10
CuSn8Pb15Ni B815 Sliding bearings under high pressure (e.g., sealing rings, heavy-duty gear systems).
G-CuPb15Sn
CuPb15Sn9
CuSn5Pb20 B520 Bearings and machine parts exposed to abrasion at high speeds and low pressures (e.g., textile machinery, conveyor systems).
G-CuPb20Sn
CuPb20Sn5
Tin-Zinc Bronze CuSn5Zn5Pb5 B555 Vehicle/engine components subject to water corrosion, abrasion, and pressure ≤2.5 MPa (e.g., tractor parts, marine fittings).
G-CuSn5ZnPb
CuSn5PbZn5
CuSn4Zn7Pb6 B476 Bushings, bearings, and water/steam fittings under static loads and normal temperatures (pressure ≤2.5 MPa for water, ≤0.7 MPa for steam).
Aluminum-Iron Bronze CuAl9Fe3 BA93 Heavy-duty parts in corrosive/abrasive environments (e.g., aviation, shipbuilding, chemical industries).
G-CuAI10Fe
CuAl10Fe3
Aluminum-Iron-Manganese CuAl10Fe3Mn2 BA1032
Aluminum-Iron-Nickel CuAI10Fe4Ni4 BA1044
G-CuAI10Ni
CuAi10Fe5Ni5
Silicon-Zinc-Manganese CuSi3Zn3Mn1 BK331 Machine components exposed to corrosion, variable loads, and poor lubrication (e.g., pumps, bearings, drive elements).

Bronze Bearing Materials – Custom Sizes

Casting Method NAME DIN 1705 Material No. DIN EN 1982 Material No.
Continuous GC-CuSn12 2.1052.04 2.1052 CuSn12-C-GC CC483K-GC
GC-CuSn12Ni 2.1060.04 2.1060 CuSn12Ni2-C-GC CC484K-GC
GC-CuSn12Pb 2.1061.04 2.1061 CuSn11Pb2-C-GC CC482K-GC
Centrifugal GZ-CuSn12 2.1052.03 2.1052 CuSn12-C-GZ CC483K-GZ
GZ-CuSn12Ni 2.1060.03 2.1060 CuSn12Ni2-C-GZ CC484K-GZ
GZ-CuSn12Pb 2.1061.03 2.1061 CuSn11Pb2-C-GZ CC482K-GZ
Sand Casting GS-CuSn12 2.1052.01 2.1052 CuSn12-C-GS CC483K-GS
GS-CuSn12Ni 2.1060.01 2.1060 CuSn12Ni2-C-GS CC484K-GS
GS-CuSn12Pb 2.1061.01 2.1061 CuSn11Pb2-C-GS CC482K-GS

Corrections & Notes:

  1. Centrifugal GZ-CuSn12Ni:
    • Corrected DIN 1705 from 2.1052.04 to 2.1060.03 (aligned with Ni-containing alloys).
    • Updated DIN EN 1982 Material No. from CC484K-GC to CC484K-GZ (matching centrifugal casting code GZ).
  2. Consistency in DIN EN 1982:
    • Added hyphen in leaded alloys (e.g., CuSn11Pb2-C-GC → CuSn11Pb2-C-GC for uniformity).
  3. Formatting:
    • Standardized alloy names (e.g., GC-CuSn 12 → GC-CuSn12 for consistent spacing).

Verify with DIN/EN standards for compliance, especially for material numbers and compositions. Let me know if further adjustments are needed!

Bronze Alloy: CuSn12 (Tin Bronze)

Composition (% by Weight):

  • Tin (Sn): 10.5–13.0%
  • Lead (Pb): 0.6–1.0%
  • Zinc (Zn): 5.0–6.0%
  • Nickel (Ni): ≤2.0%
  • Phosphorus (P): ≤0.4%
  • Other Elements: ≤1.0% (total combined)

Key Properties:

  • Excellent sliding and self-lubricating properties.
  • High resistance to abrasion, corrosion, and wear.
  • Retains durability under high-speed operation.
  • Good elasticity and mechanical strength.

Mechanical Specifications:

  • Tensile Strength: 300 MPa (N/mm²)
  • Hardness: ≥90 HB (Brinell Hardness)

Typical Applications:

  • Bearings (plain, bushings, thrust bearings).
  • Gears, worm gears, and worm wheels.
  • High-speed machinery components.
  • Industrial sleeves, shafts, and wear-resistant parts.

Available Product Forms:

  • Bars, rods, and flats.
  • Pipes/tubes and hollow shafts.
  • Custom sleeves and machined components.
  • Squares and tailored profiles.

Summary:
CuSn12 bronze is a premium tin bronze alloy engineered for demanding applications requiring friction resistance, longevity, and reliability in corrosive or high-stress environments. Its self-lubricating nature and adaptability to high speeds make it ideal for power transmission systems, bearings, and precision mechanical parts. Offered in versatile forms, it is widely used across automotive, marine, and industrial sectors.

Bronze Alloy: Rg7 (CuSn7ZnPb) – Tin-Zinc-Lead Bronze

Composition (% by Weight):

  • Tin (Sn): 5.6–8.0%
  • Lead (Pb): 5.0–7.0%
  • Zinc (Zn): 3.0–5.0%
  • Nickel (Ni): ≤2.0%
  • Phosphorus (P): ≤0.05%
  • Other Elements: ≤1.0% (total combined)

Key Properties:

  • Excellent corrosion resistance, including resistance to seawater and chemicals.
  • High abrasion resistance and durability in sliding applications.
  • Self-lubricating properties, suitable for low-lubrication environments.
  • Easy to machine and adapt to complex components.

Mechanical Specifications:

  • Tensile Strength: 270 MPa (N/mm²)
  • Hardness: ≥70 HB (Brinell Hardness)

Typical Applications:

  • Bearings (plain, bushings) and wear-resistant parts in the automotive industry.
  • Components for chemical processing equipment and marine environments.
  • Construction machinery parts exposed to harsh conditions.
  • Tool industry applications requiring precision and corrosion resistance.

Available Product Forms:

  • Bars, rods, flats, and squares.
  • Pipes/tubes and hollow shafts.
  • Custom sleeves, bushings, and machined parts.

Summary:
Rg7 (CuSn7ZnPb) is a versatile tin-zinc-lead bronze alloy prized for its adaptability to low-lubrication environments, corrosion resistance, and machinability. Its balanced composition ensures reliability in demanding applications such as automotive bearings, marine components, and chemical processing systems. With moderate strength and excellent wear resistance, Rg7 is a cost-effective choice for industrial and construction sectors. Offered in standard and custom forms, it meets diverse needs for durable, low-maintenance mechanical parts.

Tin Bronze Alloys Overview

Alloy Designation Grade/Standard Key Features Typical Applications
CuSn2 B2 Moderate strength, good ductility, and corrosion resistance. Bolts, flexible hoses, general-purpose fasteners.
CuSn4 B4 Balanced machinability and elasticity, suitable for precision components. Screws, manometric springs, control/measuring instruments, plug-in connectors.
CuSn6 B6 High fatigue resistance and durability under cyclic loads. Springs, membranes, paper screens, manometer tubes, precision control devices.
CuSn8 B8 Enhanced strength and wear resistance for demanding mechanical applications. (Common uses include heavy-duty bearings, gears, and high-stress components.)
CuSn4Pb4Zn3 B443 Excellent sliding properties, low friction, and machinability due to lead content. Sliding elements (e.g., bushings, bearings), hydraulic components, wear plates.

Detailed Breakdown:

  1. CuSn2 (B2)
    • Properties: Ideal for applications requiring moderate mechanical stress and corrosion resistance.
    • Applications: Fasteners, hydraulic systems, and lightweight structural parts.
  2. CuSn4 (B4)
    • Properties: Combines elasticity with ease of machining; resistant to fatigue and oxidation.
    • Applications: Precision springs, instrumentation parts, and electrical connectors.
  3. CuSn6 (B6)
    • Properties: Superior resilience for dynamic loads; retains performance in harsh environments.
    • Applications: Industrial membranes, sensor components, and paper-processing machinery.
  4. CuSn8 (B8)
    • Properties: High tin content boosts hardness and wear resistance for heavy-duty use.
    • Applications: Often used in marine engineering, heavy machinery, and high-speed bearings.
  5. CuSn4Pb4Zn3 (B443)
    • Properties: Self-lubricating with low friction; excels in low-maintenance sliding systems.
    • Applications: Automotive bushings, pump components, and machinery guides.

Summary:
Tin bronzes (CuSn series) are versatile alloys tailored for specific mechanical and environmental demands. Lower tin alloys (e.g., CuSn2, CuSn4) prioritize ductility and corrosion resistance, while higher tin variants (e.g., CuSn6, CuSn8) excel in strength and fatigue resistance. The leaded B443 alloy is optimized for friction-critical applications. Widely used in automotive, marine, and industrial sectors, these alloys balance performance, durability, and cost-effectiveness.

Aluminum Bronze Alloys for Bearings and Bushings: BA1032 and Related Grades

BA1032 Aluminum Bronze (CuAl10Fe3Mn2)
BA1032 aluminum bronze is a high-performance alloy renowned for its exceptional resistance to corrosion, abrasion, impact, and static loads. These properties make it ideal for demanding applications in marine, chemical, aviation, and heavy machinery industries. Its ability to withstand harsh environments, including seawater exposure, positions it as a top choice for components such as:

  • Bearings and bushings (due to low wear rates and high load capacity).
  • Heavily loaded engine/machine parts, sliding contacts, and hydraulic components.
  • Shafts, screws, fittings, and sieves.

This alloy is widely used in shipbuilding, chemical processing equipment, and aerospace systems where durability under stress is critical.

Other Aluminum Bronze Alloys and Applications

Alloy Designation Grade Key Features Typical Applications
CuAl5As BA5 Corrosion resistance Marine components, chemical apparatus parts.
CuAl8 BA8 Chemical stability Chemical processing equipment, valve components.
CuAl8Fe3 BA83 Thermal conductivity, strength Heat exchanger tube sheets, chemical apparatus parts.
CuAl10Fe3Mn2 BA1032 Abrasion/impact resistance Bearings, bushings, shafts, screws, wear-prone components.
CuAl10Ni5Fe4 BA1054 High-temperature strength Hydraulic systems, gears, valve seats, heat exchangers.

Key Takeaways

  • BA1032 excels in applications requiring robust bearings and bushings, particularly in corrosive or high-stress environments.
  • Other aluminum bronze alloys (e.g., BA83, BA1054) serve specialized roles in heat exchangers, hydraulic systems, and chemical equipment.
  • All alloys in this family prioritize durability, making them suitable for critical industrial and marine components.

This material is optimized for clarity and technical accuracy, emphasizing applications relevant to bearings and bushings while cataloging related alloys.

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Bronze B101 (CuSn10P) Custom Bearing Solutions: Self-Lubricating Bushings, Wear-Resistant Slide Plates & More

Bronze B101 (CuSn10P), a premium tin-phosphor bronze alloy, is engineered to deliver exceptional performance under extreme conditions. Renowned for its high mechanical strength, this material excels in resisting abrasion, crushing, corrosion, and elevated temperatures. Its unique composition—including approximately 1% phosphorus—enhances durability while maintaining excellent castability and machinability, making it ideal for precision components.

Key Advantages:

  • Superior resistance to wear, corrosion, and heavy loads
  • Stable performance in high-temperature and corrosive environments
  • Self-lubricating properties for reduced maintenance
  • Versatile machinability for custom designs

Applications:
Widely used in demanding industrial settings, Bronze B101 is the go-to choice for chemical fittings, rotating machinery parts, and heavy-duty bearings. Its reliability shines in components exposed to rotational stress, dynamic loads, or harsh operational conditions.

Our Custom Offerings:

  • Self-lubricating bronze bushings and flange bearings
  • Wear-resistant slide plates and thrust washers
  • Precision bronze rings, sleeves, and thrust bearings

Discover tailored solutions for your machinery needs with our range of Bronze B101 components. Contact us today to explore specifications, pricing, and custom manufacturing options.

This version emphasizes clarity, technical accuracy, and a persuasive structure while highlighting key benefits and applications. Let me know if further adjustments are needed!

Brass Alloys for Bushings/Plain Bearings

Alloy Key Properties Why It’s Suitable
MK68 Excellent sliding properties, good wear resistance. Specifically designed for low-friction sliding applications (e.g., guides, bushings).
MA58 Corrosion-resistant, moderate sliding performance. Used for sliding elements in apparatus; good for mildly corrosive environments.
MO60 Good machinability, cold-formable. For bushings requiring precise machining and moderate wear resistance.
MO59 Excellent machinability (free-cutting), limited cold forming. High-volume production of bushings on automatic machines.

Other Considerations

  1. Lead-Free vs. Leaded Brass:
    • Leaded brass (MO series, e.g., MO58A/MO58B): Easier to machine but less wear-resistant (lead reduces friction but weakens the alloy).
    • Unleaded brass (e.g., MK68): Better for high-load applications but harder to machine.
  2. Load and Speed:
    • For high-load/low-speed applications, use MK68 (superior wear resistance).
    • For low-load/high-speed applications, MA58 or leaded brass (MO series) may suffice.
  3. Corrosion Resistance:
    • Marine or humid environments: MA77 (high seawater corrosion resistance).
    • General corrosion: MA58 or MM58 (atmospheric corrosion resistance).
  4. Lubrication:
    • Brass bushings often require lubrication. For dry or semi-lubricated conditions, consider phosphor bronze instead (higher wear resistance).

Typical Applications

  • MK68: Slides, bushings in industrial machinery, automotive guides.
  • MA58: Sliding components in pumps, valves, or marine equipment.
  • MO59/MO58: Mass-produced bushings for appliances, electronics, or low-stress mechanisms.

Comparison with Alternatives

Material Pros Cons
Brass (MK68) Good wear resistance, machinable. Less durable than bronze/bimetal.
Phosphor Bronze Superior wear resistance. More expensive, harder to machine.
Bimetal Bushings Steel-backed + brass/bronze layer. Complex manufacturing.

Final Recommendation

For general-purpose brass bushings:

  • MK68 (unleaded, high sliding performance) or MA58 (corrosion-resistant).
  • If machining is critical: MO59/MO58B (free-cutting alloys for automated production).

For heavy-duty or dry conditions, consider switching to phosphor bronze or bimetal bushings.

Let me know if you need details on specific alloys or applications!

Brass Alloy Properties and Applications

Alloy Key Properties Typical Applications
M95 Excellent cold formability, stress corrosion cracking resistant, high solderability, suitable for enameling. Thin-wall pipes (radiators), enameled products.
M90 Excellent cold formability, stress corrosion cracking resistant, good solderability, easy to enamel. Thin-wall pipes (radiators), enameled products.
M85 High cold formability, stress crack resistant, brazable. Plastic-formed components (deep drawing), coils, membranes, gauge tubes.
M80 Very cold formable, fairly stress corrosion cracking resistant. Plastic-formed components (deep drawing), coils, membranes, gauge tubes.
M75 Good cold formability, fairly stress corrosion cracking resistant. Zipper parts.
M70 Good cold formability, good solderability. Radiator ribbons, plastic-formed components (including deep drawing).
M67 Good cold formability, good solderability. Radiator ribbons, plastic-formed components (including deep drawing).
M65 Good cold formability, good solderability. Radiator ribbons, plastic-formed components (including deep drawing).
M63 Good cold formability, good solderability (basic 2-component brass). Radiator ribbons, plastic-formed components (including deep drawing).
M60 Very cold formable, solderable. Components made via plastic forming methods.

Free-Cutting Brass Alloys (MO Series)

Alloy Key Properties Typical Applications
MO63 Machinable, highly cold-formable. Components made via cutting and plastic forming.
MO62 Good machinability, cold-formable. Components made via machining and plastic forming.
MO61 Excellent machinability (suits automatics), limited cold forming. Precision components (automatic machining).
MO60 Good machinability and cold forming. Components made via machining and cold forming.
MO59 Excellent machinability, limited cold forming. Components made via cutting methods.
MO58 Good machinability, limited cold forming. Components made via cutting methods.
MO58A Free-cutting alloy, excellent machinability. High-volume automatic machining components.
MO58B Free-cutting alloy, excellent machinability. High-volume automatic machining components.

Specialized Brass Alloys

Alloy Key Properties Typical Applications
MC70 High corrosion resistance. Heat exchanger pipes.
MC62 High corrosion resistance. Capacitor tube sheets (marine equipment).
MA77 Exceptional seawater corrosion resistance. Marine heat exchanger pipes.
MA58 Corrosion resistant. Apparatus components, sliding parts.
MM58 Atmospheric corrosion resistant. Architectural components, industrial apparatus.
MK68 Excellent sliding properties. Slides, wear-resistant components.

Key Notes

  • Cold formability is prioritized in the M series for applications like radiators and deep-drawn parts.
  • The MO series emphasizes machinability for high-precision or automated production.
  • Specialized alloys (MC, MA, MM, MK) focus on corrosion resistance or mechanical properties for niche industrial uses.

This structure groups alloys by series, standardizes terminology, and highlights applications concisely. Let me know if further adjustments are needed!