Bronze pipe support bearing Wear plates
Maintenance-free Plain Bearings

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graphite impregnated Bronze Wear Plates – groove & Plug Graphite More
Bronze pipe support bearing plates are a crucial component in piping systems, primarily serving to support pipes and allow them to expand and contract with temperature changes. Here’s a summary and some additional information for you:

Self-Lubricating Bronze Slide Plate
Self-Lubricating Bronze Bearings: Bronze plates infused with graphite serve as self-lubricating bearings, reducing maintenance and improving system reliability.
Thermal Expansion Coefficient: The thermal expansion coefficient of bronze varies with temperature, causing it to expand as temperatures rise and contract when cooled. Mechtool data indicates the linear expansion coefficient for engineering copper is between 16.6 and 17.1×10^-6/°C from 20 to 100°C, increasing at higher temperatures.
Benefits of Bronze Wear Plates
The design and material choice of bronze pipe support bearing plates are crucial for the longevity of piping systems. These plates allow pipes to adapt to temperature changes, minimizing failure risks and extending pipe lifespan. Bronze’s outstanding thermal conductivity, wear resistance, and self-lubricating properties make it ideal for pipe supports and sliding bearings. Its performance across temperatures is largely determined by its material characteristics and thermal expansion coefficient.

Applications of Bronze Wear Plates
Graphite-filled bronze plates perform well up to 500°F (260°C), proving their suitability for environments with temperature fluctuations.
Material Characteristics: Bearing bronze is a type of tin bronze alloy known for its wear resistance, self-lubrication, good ductility, strength, and excellent machinability. r
Sliding Bearing Material Performance: Bronze as a sliding bearing material offers different permissible values and characteristics, suitable for various working conditions. For example, tin bronze ZCuSn10P1 is suitable for machine bearings under constant load conditions, while aluminum bronze ZCuAl10Fe3 is used in gearboxes and metal cutting machine tools.
Choosing Self-Lubricating Bearings, Bushings, Washers, and Sliding Plates.
Graphite lubricants used in sliding bearings are solid, permanent, and self-lubricating. The performance of bronze pipe support bearing plates across various temperatures depends on factors like thermal expansion coefficient, material microstructure, phosphorus content, and sintering temperature. Selecting the right bronze materials and optimizing production processes are essential for optimal bearing plate performance under different temperatures.
large self-lubricating slide Plate bearings, sliding plate
Sliding plate offer industry self-lubricating, maintenance-free performance resulting in overall cost savings and operational safety. Self-lubricating bearings can be utilized in almost any application where heavy loads must be supported at relatively low to medium speeds, or where fabrication from unusual materials is required.
High-Performance Bronze Slide Plates for Marine Applications
Bronze slide plates are essential components in marine engineering, widely used in bearings, pipe supports, and structural components due to their exceptional corrosion resistance, high strength, and low friction properties. Choosing the right bronze alloy ensures durability and reliable performance in harsh seawater and offshore environments.
Recommended Bronze Alloys
C95400 (Aluminum Bronze)
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Excellent resistance to seawater corrosion
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High strength and good wear resistance
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Ideal for marine bearings and slide plates
C95500 (Nickel Aluminum Bronze)
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Superior corrosion resistance in marine environments
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Enhanced strength and toughness
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Perfect for high-load, low-speed applications
C95800 (Nickel Aluminum Bronze)
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Exceptional resistance to saltwater corrosion and pitting
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Commonly used for offshore platforms and marine slide plates
C86300 (Manganese Bronze)
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High strength and good corrosion resistance
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Suitable for heavy-load marine components, such as pipe supports and slide plates
Bronze-Graphite Composites
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Self-lubricating with embedded graphite plugs
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Reduces friction and maintenance in marine applications
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Can handle temperatures up to 1100°F and pressures up to 5000 PSI
Key Considerations
Corrosion Resistance
Aluminum bronze alloys (C95400, C95500, C95800) develop a protective aluminum oxide layer, effectively preventing seawater corrosion.
Self-Lubrication
Graphite-impregnated bronze plates minimize friction and maintenance, ideal for environments where oil or grease lubrication is impractical.
Standards Compliance
Ensure that the selected bronze alloy meets international marine standards (e.g., ASTM, MIL-B-24480) for reliable offshore performance.
Expert Recommendation
For specific marine applications, consult with material engineers to select the optimal bronze grade based on load, sliding motion, and environmental conditions. Always verify with suppliers for custom manufacturing to meet precise specifications.
Common Applications of Bronze Slide Plates in Marine Environments
Bronze slide plates are widely used in marine applications due to their corrosion resistance, low friction, and high strength. Typical positions include:
Rudder Bearing Systems
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Recommended Materials: C95800 (Nickel Aluminum Bronze) or C95500
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Function: Supports the rudder shaft, reduces friction, and ensures smooth rudder movement
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Features: Must withstand high loads and seawater corrosion. Bronze-graphite composites are often used for self-lubrication
Pipe Support Systems
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Recommended Materials: C95400 (Aluminum Bronze) or C86300 (Manganese Bronze)
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Function: Provides sliding support for pipes on offshore platforms or ships, accommodating thermal expansion, contraction, or vibration
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Features: Requires corrosion resistance and smooth low-speed sliding
Offshore Platform Slide Bearings
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Recommended Materials: C95800 or Bronze-Graphite Composites
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Function: Supports sliding connections for platform modules and heavy equipment
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Features: Self-lubricating to reduce maintenance; withstands high pressure (up to 5000 PSI) and high temperatures (up to 1100°F)
Propulsion System Components
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Recommended Materials: C95500 or C95800
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Function: Reduces friction between shafts and bearings in propellers or propulsion systems
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Features: High wear resistance and resistance to pitting in harsh seawater conditions
Deck Machinery
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Recommended Materials: C95400 or Bronze-Graphite Composites
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Function: Sliding components for cranes, winches, and other deck equipment
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Features: Resistant to seawater spray and frequent sliding
Material Selection Guidelines
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C95800: Best for areas with long-term seawater exposure, such as rudder bearings and offshore platforms, due to excellent corrosion and pitting resistance
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C95400 / C95500: Suitable for high-load but cost-sensitive applications, like pipe supports
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Bronze-Graphite Composites: Ideal for self-lubricating components, such as deck machinery or low-maintenance areas
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Standards Compliance: Ensure materials meet marine standards, e.g., ASTM B505, MIL-B-24480
| Material Type | Code | China GB1176-87 | International ISO 1338 | Germany DIN | Japan JIS | USA ASTM(UNS) | UK BS | France NF | Applicable Situation |
|---|---|---|---|---|---|---|---|---|---|
| High Strength Alloy Copper | JDB650 | ZCuZn25Al6Fe3Mn3 | GCuZn25Al6Fe3Mn3 | DIN1709 | G-CuZn25Al5 | H5102 | CAC304 | B30-92 | C86300 |
| Super High Strength
Alloy Copper |
JDB650 S1 | ZCuZn25Al6Fe3Mn3 | GCuZn25Al6Fe3Mn3 | DIN1709 | G-CuZn25Al5 | H5102 | CAC304 | B30-92 | C86300 |
| Cast Tin Bronze | JDB650 S2 | ZCuSn5Pb5Zn5 | GCuPb5Sn5Zn5 | DIN1705 | G-CuSn5ZnPb | H5111 | BC6 | B30-92 | C83600 |
| Cast Aluminum Bronze | JDB650 S3 | ZCuAl9Fe4Ni4Mn2 | GCuAl10FeNi5 | DIN17656 | G-CuAl10Ni | H5114 | AlBC3 | B30-92 | C95500 |
| Cast Iron | JDB(HT250) | GB5675-85 | HT250 | FC250 | ASTM Class40 | – | – | – | – |
| Code | JDB650 | JDB650 S1 | JDB650 S2 | JDB650 S3 | JDB650 S4 | JDB (HT250) | JDB (Gcr15) |
|---|---|---|---|---|---|---|---|
| Material Grade | CuZn25Al6Fe3Mn3 | CuZn25Al6Fe3Mn3 | CuAl9Fe4Ni4Mn2 | CuSn5Pb5Zn5 | CuSn12 | HT250 | Gcr15 |
| Density | 8.0 | 8.0 | 8.5 | 8.9 | 9.05 | 7.0 | 7.8 |
| Hardness HB | >210 | >250 | >150 | >70 | >80 | >190 | HRC>58 |
| Tensile Strength N/mm² | >750 | >800 | >800 | >200 | >260 | >250 | >1500 |
| Elongation % | >12 | >8 | >15 | >10 | >8 | >5 | >15 |
| Linear Expansion Coefficient 10⁻⁵/°C | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | 1.0 | 1.1 |
| Operating Temperature °C | -40~+300 | -40~+150 | -40~+400 | -40~+400 | -40~+400 | -40~+400 | -40~+400 |
| Maximum Dynamic Load N/mm² | 100 | 120 | 150 | 60 | 70 | 90 | 200 |
| Maximum Linear Speed m/min (Dry) | 15 | 15 | 20 | 10 | 10 | 8 | 5 |
| Max. PV Value N/mm²*m/min | 200 | 200 | 60 | 60 | 80 | 40 | 150 |
| Compressive Permanent
Deformation 300N/mm² |
<0.01 | <0.005 | <0.04 | <0.05 | <0.005 | <0.015 | <0.002 |












