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Product Description
| 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 |
The Aluminium Bronze Rod for Worm Gears is engineered for power transmission applications. Made from premium Cu-Al-Fe-Ni alloy via hot rolling and annealing, it offers exceptional wear resistance for worm gears under continuous sliding contact and heavy loads .
Parameter | Value |
Material | Aluminium Bronze (Cu 85%, Al 8-10%, Fe 3-5%, Ni 1-2%) |
Diameter Range | 10mm - 150mm (custom lengths up to 6m, ≤0.5mm/m straightness) |
Tensile Strength | 750 - 900 MPa (after heat treatment) |
Hardness | 200 - 260 HB (5mm ball, 750kg load) |
Elongation | 15 - 25% (50mm gauge length) |
Machinability | Good (50% of free-cutting brass) |
Corrosion Resistance | Excellent in atmospheric, marine, and industrial fluids |
High wear resistance from Fe-Al compounds (300% longer life vs. brass)
Superior load capacity (up to 500 Nm for medium gears)
Low friction coefficient (0.15-0.25) against steel worm shafts
Rust-resistant in humid/wet environments
Dimensional stability (-20°C to 180°C, ±0.02mm tolerance)
Ideal for industrial gearboxes, marine propulsion, material handling, and renewable energy turbines. Used in steering systems, elevators, and conveyor drives requiring reliable power transmission .
Q: How does this compare to phosphor bronze?
A: 50% higher tensile strength and 2x better wear resistance for heavy loads.
Q: Can it be heat-treated?
A: Yes, annealing + tempering increases hardness to 260-300 HB.
Q: Lead time for custom diameters?
A: 5-7 days (standard); 10-14 days (custom 100mm-150mm).
