Ragnar Metals and Tubes is a trusted Phosphor Bronze PB2 Round Bar Manufacturer, Stockist and Exporter in India, supplying premium quality bronze products to customers across UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Europe, Africa and worldwide markets. With over 20 years of industry experience and ISO Certified quality systems, we have established ourselves as a reliable supplier of high-performance bronze alloys for engineering and industrial applications.
Phosphor Bronze PB2 Round Bars are high-strength copper-tin-phosphorus alloys specifically designed for applications requiring superior wear resistance, fatigue strength, corrosion resistance and bearing performance. These round bars are extensively used in marine equipment, heavy engineering, power generation plants, mining machinery, industrial bearings and precision engineering components.
PB2 Bronze Round Bars offer excellent mechanical strength, higher hardness than PB1 grade and superior resistance to abrasion and impact loads. These characteristics make them ideal for demanding industrial applications where long service life and reliable performance are critical.
As a globally recognized Phosphor Bronze PB2 Round Bar Exporter, Ragnar Metals and Tubes provides complete material traceability, third-party inspection reports, material test certificates and worldwide logistics support.
Phosphor Bronze PB2 Round Bar is a premium copper-tin-phosphorus alloy developed to provide excellent mechanical properties, high wear resistance and outstanding corrosion resistance. Compared to standard bronze alloys, PB2 offers enhanced strength and hardness, making it suitable for heavy-duty engineering applications.
The addition of phosphorus improves wear resistance and fatigue strength while reducing friction between moving components. Tin contributes significantly to strength and corrosion resistance, making PB2 Round Bars highly suitable for marine environments and industrial applications exposed to harsh operating conditions.
PB2 Bronze is commonly selected for bearings, bushes, gears, worm wheels and components operating under heavy loads and continuous motion. Its ability to withstand shock loads and repeated stress cycles makes it one of the most reliable bronze grades used in engineering industries worldwide.
Due to its excellent machinability and dimensional stability, PB2 Round Bars can be precisely machined into complex components while maintaining exceptional performance throughout their service life.
| Specification | Details |
|---|---|
| Grade | PB2 |
| Material Type | Phosphor Bronze |
| Standard | BS 1400 PB2 |
| Shape | Round Bar |
| Diameter Range | 10mm to 500mm |
| Length | 1000mm to 6000mm |
| Finish | Bright, Ground, Machined, Polished |
| Condition | Cast, Extruded, Forged |
| Element | Composition (%) |
|---|---|
| Copper (Cu) | Balance |
| Tin (Sn) | 11.0 – 13.0 |
| Phosphorus (P) | 0.10 – 0.50 |
| Zinc (Zn) | 0.50 Max |
| Lead (Pb) | 0.25 Max |
| Nickel (Ni) | 1.00 Max |
| Property | Value |
|---|---|
| Tensile Strength | 280 – 420 MPa |
| Yield Strength | 160 MPa Min |
| Elongation | 10 – 15% |
| Hardness | 90 – 140 HB |
| Density | 8.8 g/cm³ |
| Melting Range | 950°C – 1025°C |
The manufacturing of PB2 Round Bars begins with the selection of high-purity copper, tin and phosphorus. These materials are melted under carefully controlled conditions to achieve precise alloy composition and consistent metallurgical properties.
The molten metal is cast into billets and processed through extrusion, forging or rolling operations. These processes improve the internal grain structure and mechanical properties of the material. Depending on application requirements, the bars may undergo additional machining, straightening, grinding and polishing operations.
Every batch is tested for chemical composition, tensile strength, hardness, dimensional accuracy and surface quality to ensure compliance with international standards and customer specifications.
| Property | PB2 | PB1 |
|---|---|---|
| Strength | Higher | Moderate |
| Hardness | Higher | Lower |
| Wear Resistance | Excellent | Very Good |
| Bearing Applications | Heavy Duty | Standard Duty |
| Fatigue Resistance | Superior | Excellent |
PB2 Round Bars are preferred for applications involving heavier loads and greater wear requirements, while PB1 Round Bars are commonly used for general bearing and engineering applications.
PB2 Round Bar is a high-strength phosphor bronze alloy offering excellent wear resistance and bearing performance.
PB2 Round Bars are used in bearings, bushes, gears, worm wheels, marine equipment and heavy machinery.
Yes, PB2 generally offers higher strength and hardness compared to PB1.
Yes, PB2 offers excellent corrosion resistance in marine and industrial environments.
Yes, PB2 provides good machinability and dimensional stability.
Yes, custom sizes are available as per customer requirements.
Yes, Ragnar Metals and Tubes exports PB2 Round Bars globally.
Material Test Certificates, third-party inspection reports and export documentation are available.
Bright, machined, polished and ground finishes are available.
PB2 Bronze offers excellent wear resistance, strength, fatigue resistance and long service life.
