C91600 High Tin Bronze Bushing
C91600 High Tin Bronze Bushing
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.
C91600 High Tin Bronze Bushing: Properties, Composition, and Advantages
Constructed from high-quality materials, the C91600 High Tin Bronze Bushing offers unmatched durability, capable of withstanding heavy loads and extreme conditions. Its robust design guarantees minimal wear and tear, providing long-term reliability for your machinery.
C91600 High Tin Bronze Bushing’Chemical Composition:
| Cu%1 | Pb% | Sn% | Zn% | Fe% | P% | Ni%2 | Al% | S% | Sb% | Si% | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chemical Composition according to ASTM B427-21
1In determining Cu min., Cu may be calculated as Cu + Ni. 2Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.4% min. Single values represent maximums.
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|||||||||||
| 86.00- 89.00 |
0.25 | 9.70- 10.80 |
0.25 | 0.20 | 0.30 | 1.20- 2.00 |
0.005 | 0.05 | 0.20 | 0.005 | |
Machinability
| Copper Alloy UNS No. | Machinability Rating | Density (lb/in3 at 68 °F) |
|---|---|---|
| C91600 | 20 | 0.32 |
Physical Properties
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Physical Properties provided by CDA
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| US Customary | Metric | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Melting Point – Liquidus | 1887 °F | 1031 °C | |||||||||
| Melting Point – Solidus | 1575 °F | 857 °C | |||||||||
| Density | 0.32 lb/in3 at 68 °F | 8.86 gm/cm3 at 20 °C | |||||||||
| Specific Gravity | 8.86 | 8.86 | |||||||||
| Electrical Conductivity | 10% IACS at 68 °F | 0.058 MegaSiemens/cm at 20 °C | |||||||||
| Thermal Conductivity | 40.8 Btu/sq ft/ft hr/°F at 68 °F | 70.6 W/m at 20 °C | |||||||||
| Coefficient of Thermal Expansion 68-392 | 9 · 10-6 per °F (68-392 °F) | 15.5 · 10-6 per °C (20-200 °C) | |||||||||
| Specific Heat Capacity | 0.09 Btu/lb/°F at 68 °F | 377.1 J/kg at 20 °C | |||||||||
| Modulus of Elasticity in Tension | 16000 ksi | 110000 MPa | |||||||||
Fabrication Properties
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Fabrication Properties provided by CDA
*Since brazing is performed within the hot-short range, strain must be avoided during brazing and cooling.
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| Technique | Suitability | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Soldering | Excellent | ||||||||||
| Brazing* | Good | ||||||||||
| Oxyacetylene Welding | Fair | ||||||||||
| Gas Shielded Arc Welding | Fair | ||||||||||
| Coated Metal Arc Welding | Fair | ||||||||||
| Machinability Rating | 20 | ||||||||||
Key Properties:
-
Mechanical Properties:
- Tensile Strength: Minimum 45 ksi (310 MPa)
- Yield Strength: Minimum 25 ksi (172 MPa)
- Elongation: Minimum 10%
- Brinell Hardness: Minimum 85 BHN
-
Physical Properties:
- Density: 0.32 lb/in³ (8.86 g/cm³)
- Melting Point (Solidus): 1575°F (857°C)
- Melting Point (Liquidus): 1887°F (1031°C)
- Thermal Conductivity: 40.8 Btu/ft-h-°F (70.6 W/m-K)
- Coefficient of Thermal Expansion: 9 x 10^-6 per °F (15.5 x 10^-6 per °C)
- Electrical Conductivity: 10% IACS
Advantages Of C91600 High Tin Bronze Bushing
- High Strength and Durability:
- Suitable for heavy-load applications due to high tensile and yield strength.
- Tin content contributes to exceptional strength and wear resistance.
- Corrosion Resistance:
- Exhibits good resistance to corrosion, particularly in harsh environments.
- Tin content enhances corrosion resistance properties.
- Anti-Friction Properties:
- Low coefficient of friction minimizes wear on mating steel components.
- Formation of bronze deposits further reduces friction and wear during operation.
- Versatility in Applications:
- Widely utilized in various industrial components such as bushings, bearings, gears, and piston rings.
- Ideal for applications requiring high strength, low speeds, and heavy loads.
- Good Fabrication Characteristics:
- Excellent soldering properties and good brazing characteristics.
- Fair machinability rating facilitates ease of machining (rating of 20).
In summary, C91600 High Tin Bronze Bushing is renowned for its exceptional properties, making it a preferred choice for applications demanding durability, corrosion resistance, and superior performance.



