Aung Metals, located in Naypyidaw, Myanmar, stands out as a top manufacturer and supplier of Phosphorus Bronze Bars and Rods. These products are celebrated for their remarkable strength, resistance to corrosion, and impressive wear characteristics. The company is committed to producing high-quality bronze items that adhere to international standards, ensuring they deliver consistent performance and reliability. Thanks to their precise manufacturing processes and rigorous quality control, Aung Metals provides Phosphorus Bronze Bars and Rods that boast superior dimensional accuracy, a smooth surface finish, and exceptional durability. This makes them perfect for industrial, mechanical, and electrical applications where strength and resistance to friction and corrosion are crucial.
Phosphorus Bronze Bars and Rods are primarily made of copper, containing 0.5–11% tin and 0.01–0.35% phosphorus. This distinctive blend gives them excellent corrosion resistance, high fatigue strength, and outstanding wear properties. Typically, the material shows a tensile strength ranging from 550 to 700 MPa, along with good hardness, exceptional ductility, and toughness. Its self-lubricating features and resistance to metal-to-metal wear make it an excellent choice for bearings, bushings, and springs, ensuring reliable performance even in tough conditions.
| 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.
These Phosphorus Bronze Bars and Rods find their way into a variety of industries thanks to their strength, wear resistance, and corrosion protection. They are perfect for crafting bearings, bushings, gears, springs, and electrical connectors. In the marine sector, they are utilized for propellers, shafts, and pump components due to their ability to withstand saltwater corrosion. The automotive, electrical, and mechanical engineering fields also depend on them for precision parts that demand durability and low friction. Their versatility and mechanical properties make Phosphorus Bronze Bars and Rods a go-to choice for both industrial and commercial applications.






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