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Saif Sheets and Plates, based in Muscat, Oman, proudly manufactures Phosphorous Bronze Circles, engineered for exceptional strength, durability, and corrosion resistance. Crafted with precision, these circles deliver consistent performance in demanding industrial, marine, and electrical applications. Each piece undergoes strict quality control to meet international standards, ensuring reliability and long-term performance. Trusted by engineers and industries worldwide, Saif’s Phosphorous Bronze Circles enable high-performance fabrication, precise engineering, and seamless integration into critical equipment. Combining toughness, resilience, and superior conductivity, these circles provide a robust, dependable solution for industries seeking operational excellence and material excellence.
Phosphorous Bronze Circles are made from a copper-tin-phosphorus alloy, typically containing 0.5–11% tin and 0.01–0.35% phosphorus. This composition enhances hardness, wear resistance, and corrosion protection while maintaining excellent strength and toughness. Mechanically, they offer tensile strength between 350–550 MPa, yield strength around 200–350 MPa, and elongation up to 15–25%, combining durability with flexibility. Their superior conductivity, resistance to fatigue, and high dimensional stability make them ideal for electrical, marine, and industrial applications requiring precise, long-lasting performance under demanding conditions.
| Material | Phosphor Bronze Circle |
| Grade | Alloy 510, Alloy 521, Alloy 519, Alloy 544 |
| Standard | ASTM B103 |
| Size | Thickness 0.1 mm to 50 mm; Width up to 500 mm; Length up to 2000 mm |
| Surface | Rolling surface, Chemical cleaned, Grinding |
| Alloy | UNS Designation | Tin | Phosphorus | Iron, max | Lead, max | Zinc, max | Copper |
| 510 | C51000 | 4.2-5.8 | .030-.35 | 0.1 | 0.05 | 0.3 | remainder |
| ASTM Specification | Temper | Tensile Strength | Rockwell B Scale | Superficial (30-T Scale) |
| min-max psi | min-max | min-max | ||
| Annealed | Annealed | 43-58 | 12-64 | 24-59 |
| H02 | 1/2 Hard | 58-73 | 60-85 | 53-73 |
| H04 | Hard Tempered | 76-91 | 84-93 | 71-78 |
| H06 | Extra Hard | 88-103 | 89-96 | 74-81 |
| H08 | Spring Temper | 95-110 | 92-98 | 76-82 |
| H10 | Extra Spring | 100-114 | 94-99 | 77-83 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Saif Sheets and Plates based in Muscat, OMAN, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Phosphorous Bronze Circle offer many benefits including high strength, good corrosion resistance and increased corrosion resistance. The addition of phosphorus gives the material a stronger and more durable finish, making it ideal for heavy applications. It also exhibits excellent electrical conductivity and mechanical efficiency. Phosphor copper is fatigue resistant and has excellent formability, making it suitable for use in marine applications, electrical components and automotive parts In addition to being excellently resistant to oxidation, it ensures durability and durability longer in extreme conditions. These features make it a reliable choice for a variety of industrial applications.
Yes, we offer custom sizes for Phosphorous Bronze Circle to meet specific project needs. Our team at Saif Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Phosphorous Bronze Circles are widely used in electrical, marine, automotive, and industrial industries where wear resistance, strength, and corrosion resistance are critical. They are ideal for gears, bearings, bushings, springs, electrical connectors, and precision components. Engineers and manufacturers rely on Saif’s Phosphorous Bronze Circles for long-lasting, reliable performance and seamless integration into critical systems. Their excellent mechanical properties and conductivity make them perfect for high-stress, high-load, and electrically demanding applications. These circles provide a robust, high-quality material solution, ensuring durability, operational efficiency, and resilience in the most challenging industrial and engineering environments.
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