Cast bronze bar stock and sintered bronze powdered metal bar stock are essential raw materials for original equipment manufacturers (OEMs) and machine shops. These materials are fundamental in producing high-quality components, though their manufacturing processes differ significantly.
Bronze bar stock is widely appreciated for its excellent mechanical properties, such as high strength, corrosion resistance, and excellent wear resistance. These attributes make bronze bar stock a preferred choice for a variety of applications, including bushings, bearings, and other precision components.
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Cast bronze bar stock is produced through continuous casting, a method known for its efficiency and consistency. Initially, the bronze alloy is melted in a furnace, reaching temperatures high enough to liquefy the metal. The molten bronze is then poured into a water-cooled mold, which promotes rapid solidification. This continuous cooling and solidification process ensures the formation of a long, continuous bronze bar as the metal is gradually withdrawn from the mold.
Once the bronze bar is formed, it is cut to the desired lengths for further processing. These lengths can then undergo hot rolling or extrusion to achieve the specific dimensions and shapes required for various applications. The continuous casting process is advantageous because it produces bronze bar stock with uniform quality and mechanical properties. The rapid solidification rate during casting helps refine the microstructure of the bronze alloy, resulting in improved strength, durability, and resistance to wear.
Additionally, continuous casting allows for the production of bronze bar stock in a wide range of alloys. Each alloy can be designed with specific properties to meet the demands of different industrial applications. For instance, some alloys may offer superior corrosion resistance, while others might provide enhanced machinability or higher strength. This versatility makes cast bronze bar stock a highly valuable material for OEMs and machine shops looking to produce high-quality components with precise and reliable performance.
OEMs and machine shops purchase bronze bar stock to machine bronze bushings, bearings, and other precision components. Bronze's excellent machinability allows for the creation of complex and precise parts, making it a preferred material in various industries. The alloy's composition can be designed to enhance specific properties, such as wear resistance, strength, or corrosion resistance, ensuring that the finished components meet stringent performance standards.
Bronze alloys like C93200, C95400, and C86300 are particularly popular due to their balanced properties. C93200, also known as SAE 660, is known for its good wear resistance and excellent load-carrying capacity, making it ideal for bearing applications. C95400, an aluminum bronze, offers high strength and corrosion resistance, suitable for heavy-duty applications. C86300, a manganese bronze, provides exceptional strength and durability, often used in high-stress environments.
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Sintered bronze bar stock is produced using a process called powder metallurgy, which involves several precise and controlled steps to create a high-quality final product. The first step is the careful selection and blending of fine metal powders, typically composed of copper, tin, and other alloying elements, to achieve the desired composition. This powder mixture is then poured into a mold and compacted under high pressure to form a solid but still porous shape called a "green compact."
During compaction, the goal is to achieve a uniform density throughout the green compact, as this will affect the final properties of the sintered product. The compacted powder is then placed in a furnace and sintered at a temperature just below the alloy's melting point. During sintering, the metal particles bond together through diffusion, forming a dense and strong material with a unique microstructure. This process eliminates the voids and enhances the mechanical properties of the material.
One of the key advantages of sintered bronze is its self-lubricating properties. The interconnected pore structure of the sintered material can be impregnated with lubricants such as oil. During operation, these lubricants are released, reducing friction and wear on the components. This makes sintered bronze ideal for applications where regular maintenance and lubrication are impractical or impossible.
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While both materials serve as essential raw materials, their manufacturing processes yield distinct characteristics.
At Diversified Bronze & Manufacturing, Inc., we are known as The Bronze Experts. Put us to the test – let us quote your next project. Our extensive inventory of bronze alloys and commitment to excellent customer service ensure that you have access to the materials you need to manufacture high-performance components. Whether you require solid bronze bar, cored bronze bar, or sintered bronze bar stock, our knowledgeable team is ready to assist you in selecting the best material for your application.
Its easy to request a quote for custom machining or standard-sized parts using the "Get Quote" menu above. You can also inquire about bronze bar stock and other raw materials.
Contact us at:
Email: sales@diversifiedbronze.com
Phone: 1-888-722-8260
We look forward to assisting you with your bronze bushing requirements!