Marcus Metals of Midland, UK, specializes in the highest quality Phosphorous Bronze Bar and Rod for manufacturing and supply. The company has years of experience in metal and is fully committed to making sure that what they deliver will be durable and reliable, highly precision-crafted solutions that stand up to high standards in diversified sectors. This type of bronze, phosphorous, is famous for its excellent resistance to wear and fatigue strength. It has extraordinary corrosion resistance as well, making it ideal for application in electrical, automotive, and marine environments. Marcus Metals promises that all of the products offered maintain the highest standard of quality supported by exceptional customer service and delivery on time.
The major composition of phosphorous bronze bars and rods is copper with added tin and phosphorus. The usual composition is: 90-94% copper, 4-6% tin, and 0.01-0.35% phosphorus. This alloy has excellent wear resistance, strength, and corrosion resistance and is therefore used in marine environments as well as electrical components. The mechanical properties of phosphorous bronze include tensile strength between 550 and 850 MPa, yield strength between 250 and 500 MPa, and elongation between 12 and 20%. In addition, phosphorous bronze exhibits high fatigue resistance and good machinability along with excellent resistance to stress corrosion cracking.
| 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.
Phosphorous bronze bars and rods are used throughout applications that demand maximum strength, with resistance to corrosion and excellent properties in wear resistance. The component is often produced for electrical fittings such as connectors, terminals, and switches mainly because of good electrical conductivity properties. Resistance by the alloy to corrosion will also make suitable use for items such as springs, bearings, bushings, and fasteners in a heavy marine environment. Furthermore, phosphorous bronze is often utilized in the aerospace industry in parts such as gears and linkages, besides its usage in musical instruments and ornaments on account of the attractive finish it possesses. Due to these features, phosphorous bronze has wide applicability in various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Marcus Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Midland, UK
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