CuSn10 Bronze
CuSn10 Bronze
Self-lubricating bronze bearings are engineered for applications where external lubrication is impractical. Solid lubricants are compressed and molded directly into the bearing to guarantee a maintenance-free product. No additional lubrication is necessary.
CuSn10 Bronze Bushings: Properties, Applications, and Advantages
Introduction
CuSn10, a German-standard casting tin bronze, adheres to DIN EN 1982-2008, covering copper and copper alloy ingots and castings. This material offers a versatile and high-performing solution across numerous industries due to its exceptional mechanical and physical properties.
Composition and Properties
CuSn10 is a tin bronze alloy primarily composed of copper (88-90%) and tin (9-11%), with minor amounts of other elements such as phosphorus, lead, and zinc. These properties give CuSn10 bronze bushings the following characteristics:
- High Hardness: Ensures durability and long-term reliability under heavy loads and high-speed conditions.
- Excellent Wear Resistance: Performs well in high-load, high-sliding speed applications without the risk of galling or seizing.
- Good Corrosion Resistance: Performs exceptionally well in atmospheric and freshwater environments, making it suitable for various applications exposed to moisture and corrosion.
- Self-Lubricating Capability: Many CuSn10 bushings feature built-in lubricant materials such as graphite, reducing the need for external lubrication and lowering maintenance costs.
- Machinability: CuSn10 is known for its good casting and machining properties, making it an efficient choice for manufacturing complex shapes and components.
Applications
Due to its high strength, wear resistance, and corrosion resistance, CuSn10 bronze bushings are widely used in industries requiring durable and reliable components. Typical applications include:
- Automotive Industry: Engine components, gearboxes, and suspension systems where high loads and friction resistance are required.
- Construction and Heavy Machinery: Components like bushings and bearings in heavy-duty equipment such as excavators and loaders.
- Metallurgical Equipment: Used in steel and non-ferrous metal industries under high-temperature and heavy-load conditions.
- Marine Industry: Bearings and bushings in ship propulsion systems, rudders, and other components exposed to seawater corrosion.
- Manufacturing and Industrial Equipment: Conveyor systems, hydraulic machinery, and continuous casting machines where high load capacity and reliability are critical.
Lifespan and Reliability
CuSn10 bronze bushings are recognized for their long lifespan, often outlasting other bearing materials such as steel or brass. Their durability under demanding conditions, combined with self-lubricating properties, ensures minimal maintenance and consistent performance over time.
Conclusion
CuSn10 bronze bushings offer a reliable and cost-effective solution for industries needing high-load, wear-resistant, and corrosion-resistant components. Their excellent mechanical properties make them ideal for challenging environments, ensuring the longevity and efficiency of equipment and machinery.
cusn10 bronze bushing oilless bearing
CB06 Alloy Chemical Composition (CuSn10)
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 88.0-90.0 |
| Tin (Sn) | 9.0-11.0 |
| Alloy Name | CuSn10 |
CB06 Alloy Code & Corresponding International Standards
| Product Code | Alloy Code | Alloy Hardness (HB) | International Standards | Max Operating Temperature (°C) | Approx. Density (g/cm³) |
|---|---|---|---|---|---|
| CB06 | CuSn10 | ≥80 | ISO 1338 / CuZn10 | 0 to +280°C | 8.7 |
| DIN 1705 / CuZn10 | |||||
| ASTM UNS C90700 | |||||
| CT-1 BS1400 |
Available Bronze Alloys
| Alloy Type | EN Standard | DIN Standard | ASTM Standard (Nearest Equivalent) | Other Compatible Alloys |
|---|---|---|---|---|
| Aluminum Bronze | CW307G | CuAl10Ni | C63200 / C63000 | NES833, BSB23 (DTD197A) |
| Aluminum Bronze | – | CuAl10Fe3Ni7Mn2 | C63000 | – |
| Aluminum Bronze | CC331G | CuAl10Fe2-C | C95400 | SAE68 |
| Aluminum Bronze | CC333G | CuAl10Fe5Ni5-C | C95500 | SAE68B |
| Leaded Bronze | CC496K | CuSn7Pb15-C | C93800 | SAE67 |
| Leaded Bronze | CC495K | CuSn10Pb10-C | C93700 | SAE64 / SAE797 / SAE792 |
| Leaded Bronze | CC494K | CuSn5Pb9-C | C93500 | SAE66 |
| Leaded Bronze | CC497K | CuSn5Pb20-C | C94100 | SAE94, SAE794 & SAE799 |
| Leaded Bronze | – | CuSn7ZnPb | C93200 | SAE660 |
| Leaded Gunmetal | CC491K | CuSn5Zn5Pb5-C | C83600 | SAE40 |
| Leaded Gunmetal | CC492K | CuSn7Zn2Pb3-C | C93400 | – |
| Leaded Phosphor Bronze | – | CuSn8Pb4Zn1 | C93100 | – |
| Leaded Phosphor Bronze | CC480K | CuSn10-C | C92700 | – |
| Nickel Gunmetal | – | CuSn7Ni5Zn3 | B292-56 | – |
| Phosphor Bronze | CW450K | CuSn4 | C50900 / C51100 | – |
| Phosphor Bronze | CW451K | CuSn5 | C51000 | NES838 |
| Phosphor Bronze | CW452K | CuSn6 | C51900 | – |
| Phosphor Bronze | CW459K | CuSn8 | C52100 | BSB24, DTD265A |
| Phosphor Bronze | – | – | – | BSB24, PB104 |
| Tin Phosphor Bronze | CC481K | CuSn11P-C | B143 | SAE65 |
| Tin Phosphor Bronze | CC483K | CuSn12-C | CC483K | SAE65 |
