Dhruv Metals, based in Hyderabad, India, has built a solid reputation as a manufacturer and supplier of top-notch Phosphor Bronze Bars and Rods. They cater to industries that require exceptional strength, corrosion resistance, and great machinability. With a focus on precision manufacturing and a strong commitment to quality, Dhruv Metals delivers phosphor bronze products that meet both national and international standards. Thanks to their advanced processing equipment and a skilled team, they guarantee products with consistent dimensions, mechanical reliability, and a long lifespan. Whether it’s the electrical, marine, automotive, or industrial machinery sectors, Dhruv Metals is a go-to source for durable and high-performance Phosphor Bronze Bars and Rods.
Phosphor Bronze Bars and Rods are mainly made up of copper (about 88–95%), with tin (around 4–8%) and a small amount of phosphorus (up to 0.35%). The inclusion of phosphorus boosts wear resistance, strength, and stiffness while enhancing machinability. This alloy boasts a tensile strength ranging from 350 to 800 MPa, depending on its temper and condition, along with excellent fatigue resistance and good thermal and electrical conductivity. Its unique blend of mechanical properties and corrosion resistance makes phosphor bronze a favored choice for components that face both mechanical stress and harsh environments.
| Specifications | AMS 4625, ASTM B139, ASME SB139 |
| Phosphor Bronze Round bar size | Diameter: 3mm~800mm |
| Phosphor Bronze Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Phosphor Bronze Square bar size | 4mm*4mm~100mm*100mm |
| Phosphor Bronze Flat bar size | Thickness: 2mm~100mm |
| Width: 10mm~500mm | |
| Phosphor Bronze Hex Bar size | 2mm~100mm |
| Phosphor Bronze Billet Size | 1/2″ to 495mm Diameter |
| Phosphor Bronze Rectangles Size | 33mm x 30mm to 295mm x 1066mm |
| Finish | Bright, Polish, Bright, Rough Turned, Grinding, Centreless Ground & Black |
| Length | 1000mm-6000mm |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline |
| Condition | Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished, Annealed round bar |
| Technique | Phosphor Bronze Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
| Form | Round, Rod, Precision Ground Bar, Square, Round Rod, Hollow, Hex (A/F), Triangle, Rectangle, Threaded, T-Bar, Half Round Bar, Flat Bar, Rings, Blocks, Billet, Ingot, I/H Bar, Angle, Channel Bar, Profiles, Forging Etc. |
| Alloy number | Sn | P | Pb | Zn | Cu+Sn+P |
| C5191 | 5.5-7.0 | 0.03-0.35 | ≥99.5 | ||
| C5441 | 3.0-4.5 | 0.01-0.50 | 3.5-4.5 | 1.5-4.5 | ≥99.5 |
| Grade B.S. 1400: 1985 | Nominal Composition | 2% PS N/mm Min | Tensile Strength N/mm Min | Elongation % Min | Brinell Hardness Min |
| PB1 | 89/10/01 | 130 | 250 | 5 | 60 |
| PB1 | 88/12 | 140 | 260 | 7 | 80 |
| PB1 | 90/10 | 130 | 250 | 5 | 60 |
| PB1 | 90.5/9.5 | 130 | 240 | 5 | 80 |
| LPB-1 | 87/8/2/3 | 80 | 175 | 7 | 60 |
| Pb2 | 88/12 | 120 | 195 | 5 | 60 |
| Pb2 PB | 88/12 95/5 | 145 130 | 295 240 | 5 5 | 80 80 |
Phosphorus bronze bars can be welded, but it requires care. The material tends to be brittle at high temperatures, so preheating and using appropriate filler materials are recommended for successful welding.
To select the right phosphorous bronze bar, consider factors such as tensile strength, corrosion resistance, conductivity, the specific environmental conditions, required durability, and mechanical properties for your application.
To select the right phosphorous bronze bar, consider factors such as tensile strength, corrosion resistance, conductivity, the specific environmental conditions, required durability, and mechanical properties for your application.
Phosphorous bronze rods are available in diameters ranging from 1/8" to 12" and lengths up to 20 feet. Finishes include hot-rolled, cold-rolled, extruded, polished, and custom-machined.
Across various industries, Phosphor Bronze Bars and Rods are highly valued for their impressive spring qualities, corrosion resistance, and anti-friction characteristics. In the electrical and electronics sector, they find use in connectors, terminals, and switch components due to their conductivity and durability. The marine industry employs them for propellers, bushings, and pump parts that come into contact with seawater. In automotive and industrial applications, phosphor bronze is preferred for gears, bearings, and fasteners that require low friction and high strength. Additionally, it’s utilized in musical instruments and precision tools where both durability and tonal quality are essential.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Dhruv Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hyderabad , India
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