Phosphor Bronze Pivot Bearing
Phosphor Bronze Pivot Bearing
High-Performance Self-Lubricating Bronze Bushing Solutions & Technologies. Minimize downtime, extend service life, and reduce costs for dynamic applications.
Enhanced Use of C54400 B-2 Phosphor Bronze in Knife Production
C54400 B-2 Phosphor Bronze, often referred to simply as B-2 Phosphor Bronze, is a superior copper alloy renowned for its robust mechanical properties, durability, and resistance to corrosion. While it has been traditionally utilized in industrial applications like bearings, bushings, and electrical connectors, this material also excels in the craftsmanship of high-quality knives.
C544 also designated as as CuSn4Zn4Pb4 and CW456K.
C54400 Phosphor Bronze, commonly known as “B-2” bronze, is highly valued for its excellent properties suitable for bearing applications and electrical components requiring high strength. C54400 is distinguished for its ease of fabrication and resistance to wear, making it an ideal choice for intricate machining needs. This alloy is celebrated for its toughness, fine grain structure, and excellent corrosion resistance, ensuring durability and reliability in demanding environments. These characteristics make C54400 Phosphor Bronze a preferred material in sectors where both mechanical resilience and precision are essential.
Distinctive Features of C54400 B-2 Phosphor Bronze
This alloy is celebrated for its optimal combination of strength, machinability, and resistance to wear and corrosion, making it an excellent choice for crafting both rugged industrial components and finely-tuned artisan tools.
Chemical Composition
| Chemical Composition mass/% | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cu | Sn | Al | Fe | Mn | Ni | Pb | Si | P | Zn |
| Rem | 3.5-4.5 | – | 0.1 | – | – | 3.5-4.5 | – | – | 1.5-4.5 |
| Mechanical properties | |||
|---|---|---|---|
| Tensile strength Mpa(Min) | Yield strength MPa(Min) | Elongation % | Brinell hardness(HB) |
| 300-850 | 190-760 | 6-30 | 100-150 |
C54400 boasts a formulation that enhances its strength and durability:
- Copper (Cu): Majority
- Tin (Sn): 3.50% – 4.50% (improves strength and corrosion resistance)
- Lead (Pb): 3.00% – 4.00% (enhances machinability)
- Zinc (Zn): 1.50% – 4.50%
- Phosphorus (P): 0.01% – 0.50% (increases stiffness and wear resistance)
This alloy’s balanced composition is particularly beneficial for applications that demand both durability and exceptional performance.
Mechanical and Physical Properties
- Strength and Durability: Enhanced by tin and phosphorus, the alloy offers excellent tensile strength and stiffness, ensuring long-term reliability, particularly in stress-prone environments.
- Corrosion Resistance: It excels in resisting corrosive elements, an essential trait for tools exposed to harsh conditions.
- Machinability: With a machinability rating of about 80%, C54400 allows for detailed and complex machining, ideal for custom knife designs and other precision components.
Application in Knife Manufacturing
Knife Components
C54400 is increasingly popular in the production of various knife components:
- Pivot Pins: Provides smooth operation and stability in folding knives.
- Liners: Enhances the structural integrity and durability of the knife.
- Bolsters: Adds aesthetic value while maintaining strength at critical stress points.
These properties make C54400 a top choice for knife makers who require materials that combine aesthetic appeal with functional durability.
Benefits for Knife Making
- Durability: Ensures that the knives withstand frequent and rigorous use without losing functionality.
- Precision: Allows for the crafting of intricate details and complex designs in knife assembly.
- Aesthetic Appeal: Offers a visually appealing metallic luster that does not degrade even under harsh conditions.
Customization
The ability to produce C54400 in custom sizes and shapes allows knife makers to tailor their designs to specific requirements, enhancing both the utility and uniqueness of each piece.
Conclusion
C54400 B-2 Phosphor Bronze stands out as a material of choice for high-end knife production due to its superior mechanical properties, ease of machining, and corrosion resistance. Its versatility and strength make it ideal not only for industrial applications but also for creating durable, precise, and aesthetically pleasing knives. Whether for everyday use or specialized tasks, knives made from C54400 B-2 Phosphor Bronze ensure performance, reliability, and style.

Metal Bushing (Lubricated Metal) -Self-Lubricating Bushing Materials
Bushings are specialized, self-lubricating metal components widely utilized across various industries due to their durability and low maintenance requirements. Self-lubricating metal bushings are engineered to function without additional lubrication in numerous applications, thereby minimizing maintenance needs. These bushings are available in various series and configurations, such as flanged bushings and split bearings, to meet specific application requirements.
Metal-Polymer Anti-Friction Plain Bearings
Metal-Polymer Composite Self-lubricating Bushing Material
Steel Back + Porous Bronze Sinter + PTFE

