Based in the industrial heart of Safat, Kuwait, Nimish Metal has established itself as a trusted name for durable and reliable materials. We take pride in supplying high-quality Phosphorous Bronze Bars and Rods, specifically chosen for their exceptional combination of strength and corrosion resistance. Our commitment lies in providing local industries with materials they can depend on for demanding applications, ensuring every project is built on a foundation of quality and performance that stands the test of time.
Our phosphorous bronze is a copper alloy primarily composed of tin and a small, critical addition of phosphorus. This specific formulation gives the material its remarkable mechanical properties, including high tensile strength, excellent wear resistance, and a low coefficient of friction. It is known for its superb spring qualities and outstanding fatigue resistance, making it far more robust than many standard bronzes. This unique blend of strength and durability makes it an ideal choice for heavy-duty scenarios.
| 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.
The unique properties of phosphorous bronze make it indispensable for components that face constant stress and movement. You’ll commonly find our bars and rods used in heavy-duty springs, corrosion-resistant fasteners, and robust pump parts. They are also the material of choice for manufacturing essential items like bearings, gears, and electrical connectors, where reliability is non-negotiable. Industries ranging from automotive and marine to oil and gas rely on this alloy for parts that must perform flawlessly under pressure and in harsh environments.






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