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Product Description
Aluminum bronze rods are high-performance copper alloy rods forged from a copper base precisely alloyed with elements such as aluminum, iron, nickel, and manganese; they serve as a core material in industrial applications requiring high strength, wear resistance, and corrosion resistance. Manufactured using an integrated process of vacuum melting, precision extrusion, and cold-drawn finishing, these rods feature a uniform, dense microstructure free from defects such as porosity, sand holes, cracks, or inclusions, ensuring exceptional structural stability. Unlike standard brass or tin bronze, aluminum bronze rods utilize alloy modification technology to combine ultra-high mechanical strength, superior wear and corrosion resistance, and excellent machinability. They also possess specialized properties—including non-sparking characteristics and resistance to cavitation and fatigue—making them the preferred specialty copper material for demanding operating conditions involving heavy loads, corrosive environments, explosion-proof requirements, and high-frequency operation. They are widely used in the manufacturing of components for precision machinery, marine engineering, chemical processing equipment, and explosion-proof devices.
1. Stable Material Properties: Manufactured using standardized alloy compositions (meeting GB or ASTM standards), the material ensures uniform density and consistent mechanical properties across batches, preventing performance fluctuations. It resists deformation and aging during long-term use. The surface naturally forms a dense, stable protective oxide film that effectively blocks external corrosive agents, providing long-lasting protection for the base material.
2. Excellent Wear and Seizure Resistance: The alloy features a robust multiphase microstructure with inherent micropores for oil retention, providing self-lubricating properties during operation. With a low friction coefficient, it offers superior resistance to seizure, wear, and erosion compared to standard copper materials, making it capable of withstanding high-frequency reciprocating motion and high-intensity friction.
3. Explosion-Proof and Spark-Free: The material generates no sparks during impact or friction, offering intrinsic explosion-proof capabilities. It is highly safe and suitable for specialized operations involving flammable or explosive environments.
4. Excellent Machinability: Combining good plasticity with superior cutting characteristics, the material is suitable for both cold and hot processing. Operations such as cutting, drilling, turning, bending, and welding are performed without tool adhesion or edge chipping; the finished products feature high surface quality, significantly reducing material loss during secondary processing.
5. Balanced Thermal and Electrical Conductivity: It retains the excellent thermal and electrical conductivity of copper alloys, ensuring rapid heat dissipation and stable electrical transmission, making it ideal for heat exchange equipment and conductive components.
6. High Fatigue Resistance and Longevity: With a high-strength, impact-resistant structure, it withstands heavy loads, alternating stresses, seawater erosion, and cavitation impacts over the long term. It offers exceptional resistance to fatigue and aging, resulting in low failure rates during continuous operation and a service life two to three times longer than that of standard copper rods.
1. Broader Operational Adaptability: Surpassing the performance limitations of standard copper, this material is compatible with diverse, harsh operating conditions—including high-pressure loads, highly corrosive environments, high-wear scenarios, explosion-prone areas, and humid marine settings. A single product meets the production needs of multiple industries, replacing various conventional alloys and reducing material selection costs.
2. Superior Overall Cost-Effectiveness: Although the initial purchase cost is slightly higher than that of standard copper rods, the material’s exceptional service life, extremely low failure rate, and maintenance-free nature significantly reduce downtime and component replacement costs, delivering substantial long-term economic benefits.
3. High-Standard Dimensional Precision: Manufactured using precision molds and CNC finishing processes, the rods feature excellent straightness, uniform roundness, and strictly controlled tolerances. With flat, burr-free end faces and a perfect fit for assembly, they require no secondary grinding or calibration and are ready for immediate use in precision component assembly.
4. Controllable and Traceable Quality: Every stage—from raw material selection and smelting/forging to final product inspection—adheres to industry standards. Material composition and performance test reports are provided for every batch, ensuring no substandard additives or corner-cutting; the product meets the material standards required for engineering tenders and key projects.
5. High Customization Flexibility: In addition to supplying standard specifications from stock, we offer customization for rods with specific diameters, lengths, and non-standard cross-sections. This flexibility accommodates the machining of non-standard components, providing a one-stop solution for personalized production requirements.
| Aluminium bronze alloy series composition,%max | |||||||||
| Type | Cu(%) | Al(%) | Fe(%) | Zn(%) | Mn(%) | Ni（%） | Sn(%) | Pb(%) | Si(%) |
| QAl9-2 | Other | 8.0-10.0 | 0.5 | 1 | 1.5-2.5 | 0.5 | 0.1 | 0.03 | 0.1 |
| QAl9-4 | Other | 8.0-10.0 | 2.0-4.0 | 1 | 0.5 | 0.5 | 0.1 | 0.01 | 0.1 |
| QAl7 | Other | 6.0-8.5 | 0.5 | 0.2 | - | 0.5 | - | 0.02 | 0.1 |
| QAl10-3-1.5 | Other | 8.5-10.0 | 2.0-4.0 | 0.5 | 1.0-2.0 | 0.5 | 0.1 | 0.03 | 0.1 |
| QAl10-4-4 | Other | 9.5-11.0 | 3.5-5.5 | 0.5 | 0.3 | 3.5-5.5 | 0.1 | 0.02 | 0.1 |
| QAl5 | Other | 4.0-6.0 | 0.5 | 0.5 | 0.5 | 0.5 | 0.1 | 0.03 | 0.1 |
| QAl9-5-1-1 | Other | 8.0-10.0 | 0.5-1.5 | 0.3 | 0.5-1.5 | 4.0-6.0 | 0.1 | 0.01 | 0.1 |
| QAl10-5-5 | Other | 8.0-11.0 | 4.0-6.0 | 0.5 | 0.5-2.5 | 4.0-6.0 | 0.2 | 0.05 | 0.25 |
| QAl11-6-6 | Other | 10.0-11.5 | 5.0-6.5 | 0.6 | 0.5 | 5.0-6.5 | 0.2 | 0.05 | 0.2 |
| CuA18 | Other | 7.0-9.0 | ≤0.4 | - | - | - | - | ≤0.03 | - |
| C95400 | Other | 10.0-11.5 | 3.0-5.0 | 0.5 | 1.0-2.0 | - | 0.1 | 0.03 | 0.1 |
| C95600 | Other | 6.0-8.0 | - | - | - | 0.25 | - | - | 1.8-3.2 |
| C95800 | 79.0-83.0 | 8.5-9.5 | 3.0-4.5 | - | 0.8-1.5 | 4.0-5.0 | - | 0.03 | 0.1 |
| C61300 | Other | 6.0-7.5 | 2.0-3.0 | 0.1 | 0.2 | 0.15 | 0.2-0.5 | 0.01 | 0.1 |
| C61800 | Other | 8.5-11 | 0.5-1.5 | - | - | - | - | ≤0.03 | - |
| C61900 | Other | 8.5-10.0 | 3.0-4.5 | 0.8 | - | - | 0.6 | 0.02 | 0.1 |
| C61400 | Other | 6.0-8.0 | 1.5-3.5 | 0.2 | 0.2 | 0.15 | 0.2-0.5 | 0.01 | 0.1 |
| C63000 | Other | 9.0-11.0 | 2.0-4.0 | 0.3 | 1.5 | 0.15 | 0.2 | 0.02 | 0.1 |
| C95600 | Other | 6.0-8.0 | - | - | - | 0.25 | - | - | 1.8-3.2 |
【Diameter Range】3mm–200mm (standard stock); custom processing available for diameters exceeding 200mm
【Length Range】Standard lengths of 2500mm/3000mm; custom cutting available for any length between 500mm and 6000mm
【Manufacturing Process】Extruded rods, cold-drawn precision-finished rods, and forged rods (specialized for high-strength, heavy-duty applications)
【Mechanical Properties】Tensile strength ≥540 MPa; hardness HB 180–280 (increasing with grade); elongation ≥12%; excellent compressive and impact resistance
【Material Composition】Pure copper base with 7%–10% aluminum content and trace amounts of iron, nickel, and manganese; impurity levels strictly controlled within industry standards
1. Marine Engineering: Suitable for ship drive shafts, turbines, propeller components, seawater valves, subsea pipeline connectors, and marine bearings; offers excellent resistance to seawater corrosion and cavitation, making it ideal for harsh marine environments characterized by high salinity and humidity.
2. Heavy Machinery Manufacturing: Used for construction machinery gears, wear-resistant bushings, sliding blocks, hydraulic components, heavy-duty bearings, and transmission parts; designed to withstand industrial operating conditions involving high-frequency friction and heavy-duty impact loads.
3. Chemical and Energy Industries: Suitable for chemical pipeline valves, components for acid/alkali transport equipment, and parts for oil and gas extraction machinery; offers strong corrosion stability and resistance to chemical erosion from acidic and alkaline media.
4. Explosion-Proof Specialty Equipment: Leverages non-sparking, explosion-proof properties to manufacture tools such as explosion-proof wrenches, hammers, and connectors; ideal for operations in oilfields, mines, chemical plants, and facilities handling flammable or explosive materials.
5. Aerospace and Defense: Used for precision transmission components, high-strength structural parts, and heat exchange assemblies; combines stable mechanical properties with lightweight characteristics to meet the demands of high-end precision equipment manufacturing.
6. General Hardware and Mold Making: Suitable for producing precision mold inserts, wear-resistant positioning components, thermally conductive hardware, and electrically conductive connectors; balances machining precision with service life, catering to a wide range of precision hardware manufacturing applications.
1 . Standardized Packaging: Standard-specification bars are wrapped in waterproof, anti-rust kraft paper and plastic film, with protective end caps fitted at both ends. The entire shipment is secured onto solid wood pallets and tightly wrapped for reinforcement to prevent shifting, abrasion, or deformation during transit. Extra-long bars utilize customized packaging to ensure comprehensive protection.
2. End-to-End Logistics Tracking: Rapid shipping services are provided, with priority scheduling for production and dispatch available for urgent orders.
[Heavy Machinery Manufacturer] We regularly source QAl9-4 aluminum bronze rods for machining equipment bushings. The material is exceptionally solid—free of sand holes or porosity—and does not stick to the tool during machining, resulting in a high-quality surface finish. After assembly, the equipment has run continuously for over six months with virtually no wear; it is far more durable than the tin bronze rods we used previously, offering outstanding stability and excellent value for money. We look forward to a long-term partnership.
[Marine Parts Manufacturer] We specifically source nickel-aluminum bronze rods for marine components. Their resistance to seawater corrosion is truly impressive; they do not oxidize or rust in high-salinity coastal environments and meet all standards for cavitation resistance. With precise dimensional tolerances and a perfect fit during assembly, they fully comply with marine engineering acceptance criteria—a reliable, high-quality product.
[Explosion-Proof Tool Manufacturer] These aluminum bronze rods offer consistent non-sparking performance; they generate no sparks upon impact or friction, fully meeting the production standards for explosion-proof equipment. The material features uniform hardness, resulting in explosion-proof tools that are tough and resistant to breakage. They pass all inspections, and the supplier offers stable delivery and a comprehensive range of specifications, eliminating the need for repeated customization coordination.
[Chemical Equipment Manufacturer] Used in acidic and alkaline chemical environments, these rods offer corrosion resistance far superior to standard copper materials; they do not corrode or degrade during prolonged exposure to weak acids or alkalis, significantly extending the service life of equipment components. The manufacturer supports custom cutting to specifications, saving us numerous processing steps. With fast shipping and responsive after-sales service, the purchasing experience has been excellent.
