The production of our metric steel sleeve bushings involves the sophisticated sintering process, a technique that enhances material properties and ensures precise component manufacturing. Initially, high-quality steel powders are meticulously selected and blended to achieve the desired chemical composition. These powders are then compacted under high pressure in a custom mold to form a "green" compact that holds the shape of the final product but remains fragile.The green compact undergoes sintering, where it is heated to a temperature below the melting point of the base metal in a controlled atmosphere furnace. This heat treatment causes the metal particles to bond at a molecular level through diffusion, resulting in a dense, strong, and cohesive structure. Sintering not only enhances the mechanical properties, such as hardness and strength, but also ensures the dimensional accuracy and consistency of each bushing. This process is crucial for producing components that can withstand significant operational stresses and deliver reliable performance over their lifespan.
Our metric steel sleeve bushings are renowned for their exceptional quality, achieved through meticulous material selection and stringent quality control measures. The sintering process imbues the bushings with excellent mechanical properties, making them highly resistant to wear, deformation, and thermal stress. Each bushing undergoes rigorous testing and inspection at various stages of production to ensure that it meets our high standards for precision and durability. This commitment to quality ensures that our bushings perform reliably in demanding industrial applications, providing long service life and reducing the need for frequent replacements.We understand that different applications have unique requirements, and therefore, we offer extensive customization options for our metric steel sleeve bushings. Customers can specify dimensions, tolerances, and material compositions to meet their specific needs. Our advanced manufacturing capabilities allow us to produce custom bushings with precise measurements and tailored properties, ensuring an optimal fit and performance in any application. Whether you need bushings with specific load capacities, thermal characteristics, or wear resistance, we can deliver products that match your exact specifications.
Sintered Bronze Bushings Advantages



Bronze Bushings Ingredient List
| CHEMICAL COMPOSITION | ||||||
| Chemical Composition Limits (%) | ||||||
| ALLOY | COPPER | ZINC | LEAD | IRON | TIN | SILICON |
| C93200 | 81-85 | 1-4 | 6-8 | 0.2 | 6.3-7.5 | 0.005-0.08 |
| C95400 | 83 (minimum) | None | None | 3-5 | None | None |
| SAE 841 | 87.5-90.5 | None | None | 1 | 9.5-10.5 | None |
| ALUMINUM | PHOSPHORUS | MANGANESE | NICKEL (INCL.COBALT) | ANTIMONY | OTHER ELEMENTS |
|
| 0.005 | 0.15 | None | 1 | 0-0.35 | 0-0.08 Sulfur | |
| 10-11.5 | None | 0-0.5 | 0-1.5 | None | None | |
| None | None | None | None | None | 0.3 Carbon | |
| PHYSICAL & MECHANICAL PROPERTIES | |||||
| ALLOY | NOMINAL DENSITY | MODULUS OF ELASTICITY |
MELTING POINT OR RANGE |
THERMAL CONDUCTIVITY |
|
| lbs. /cu.in | ksi | degrees F | BTU/sq.ft./ft./hr./degrees F @ 68 degrees F |
||
| C93200 | 0.322 | 14,500 | 1570-1790 | 33.6 | |
| C95400 | 0.269 | 15,500 | 1880-1900 | 33.9 | |
| SAE 841 | 0.231-0.246 | Not Rated | 1800-2000 | Not Rated | |
| ELECTRICAL RESISTIVITY |
TEMPER | HARDNESS | ULTIMATE TENSILE | YIELD STRENGTH |
ELONGATION |
| ohms @ 68 degrees F |
Rockwell (unless noted) |
ksi | ksi | % | |
| Not Rated | As Cast | 65 Brinell | 35 | 20 | 10 |
| 80.2 | As Cast | 150-170 Brinell | 85 | 32-35 | 12-18 |
| Not Rated | As Pressed | H50 | 14 | 9 | 1 |
Bronze Bushings Applications

Automotive Industry:
In the automotive industry, Sintered Bronze Bushings are widely used in engines, transmission systems and suspension systems. They reduce friction, reduce vibration, and increase part life. Whether used in transmission bearings or steering systems, these copper alloy bushings provide reliable performance.
Home appliances:
In the field of home appliances, Sintered Bronze Bushings are used as key components in various home appliances. From washing machines to air conditioning units, these bushings play an important role in motors and compressors, ensuring their stable operation and long-term durability.

FAQ
Q: What are the primary applications of sleeve bearing bushings, and how do they improve machinery performance?
A: Sleeve bearing bushings are widely used in various industrial and mechanical applications due to their ability to reduce friction and wear between moving parts. They are commonly found in automotive engines, electric motors, pumps, and heavy machinery. These bushings support rotating shafts and provide a smooth surface for the shaft to rotate within, minimizing direct metal-to-metal contact. This reduction in friction helps to enhance the efficiency and longevity of the machinery, leading to lower maintenance costs and less frequent downtime. By absorbing and dissipating operational stress, sleeve bearing bushings help maintain the alignment of components and improve the overall performance and reliability of the equipment.
Q: How does the material composition of sleeve bearing bushings affect their performance and suitability for different environments?
A: The material composition of sleeve bearing bushings significantly impacts their performance and suitability for various environments. Common materials include bronze, brass, steel, and specialized alloys, each offering distinct advantages. Bronze and brass bushings are known for their excellent wear resistance and self-lubricating properties, making them ideal for high-load and high-speed applications. Steel bushings provide superior strength and durability, suitable for heavy-duty applications and environments with high temperatures. Specialized alloys can offer enhanced corrosion resistance, making them suitable for use in harsh environments or applications involving exposure to chemicals or moisture. Selecting the appropriate material ensures the bushing can withstand the specific operational conditions and deliver optimal performance.
Q: What customization options are available for sleeve bearing bushings, and how can they be tailored to meet specific application requirements?
A: Our sleeve bearing bushings can be customized to meet specific application requirements, ensuring optimal fit and performance. Customization options include variations in dimensions, such as inner and outer diameters, length, and flange design. We can also adjust the material composition to enhance properties like wear resistance, corrosion resistance, and load capacity, depending on the operational environment. Additionally, surface treatments and coatings can be applied to further improve the bushing's performance, such as adding a layer of lubrication to reduce friction or a protective coating to resist corrosion. These customization capabilities allow us to provide tailored solutions that meet the unique needs of different industries and applications, ensuring reliable and efficient operation of the machinery.
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