Phosphorus Bronze Flat Bars
Phosphorus Bronze Flat Bars are engineered for superior strength, corrosion resistance, and excellent wear properties, making them ideal for demanding industrial applications. Composed primarily of copper with added phosphorus and tin, this alloy offers enhanced durability and stiffness compared to standard bronze materials. The flat bar form provides versatile shapes for machining, fabrication, and assembly in various manufacturing processes.
These flat bars come in precise dimensions and thicknesses, ensuring uniformity and ease of use in production lines. Their mechanical properties include high tensile strength and good fatigue resistance, critical for components subjected to repetitive stress. Additionally, the alloy’s natural resistance to oxidation and marine environments makes it suitable for electrical connectors, springs, and valve components.
Industries such as aerospace, automotive, electrical, and marine engineering frequently rely on these materials for their performance under harsh conditions. The flat bars can be cut, drilled, and shaped to meet custom specifications, supporting design flexibility and rapid prototyping. Their excellent machinability reduces tool wear and enhances productivity during manufacturing cycles.
For international procurement, these products are typically supplied with comprehensive quality certifications and traceability documentation, ensuring compliance with global standards. Export-ready packaging and logistics support facilitate smooth delivery to overseas clients, minimizing lead times and safeguarding material integrity during transit.
When selecting these bronze flat bars, industrial buyers benefit from a reliable supply chain and consistent material quality, essential for maintaining operational efficiency. Their adaptability across various engineering applications underscores their value as a fundamental component in high-performance assemblies worldwide.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Phosphorus Bronze Flat Bars Are Preferred by Global Buyers
- ✔ Factory Pricing: Direct manufacturer rates with bulk stock
- ✔ Certified Quality: ISO & 3rd-party tested, EN 10204 certified
- ✔ Export-Ready: Sea-worthy packaging for on-time delivery
- ✔ Fast RFQs: Quick quotes for custom sizes & quantities
- ✔ Traceability: 100% heat number tracking from raw material to finished product
Trusted by industries like oil & gas, petrochemicals, power, marine, and heavy engineering.
- Manufacturing Capacity: 550 MT / Month
- Export Experience: 10+ Years
- Countries Served: 50+
- Annual Export Volume: 5,530 MT
Table of Contents
- 1. What is Phosphorus Bronze Flat Bars
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Phosphorus Bronze Flat Bars
- 4. Why Global Buyers Source from Ragnar Metals and Tubes
- 5. Features
- 6. Technical Overview
- 7. Specifications
- 8. Available Grades
- 9. Available Sizes
- 10. Chemical Properties
- 11. Mechanical Properties
- 12. Physical & Thermal Properties
- 13. Electrical Resistivity
- 14. Equivalent Grades
- 15. Manufacturing Process & Heat Treatment
- 16. Various Types
- 17. Applications & Uses
- 18. Industries We Serve
- 19. Latest Price List
- 20. MOQ & Payment Terms
- 21. Export Packaging & Shipping
- 22. Cities We Supply in India
- 23. Countries We Export Worldwide
- 24. Our Certifications
- 25. Quality Inspection & Testing
- 26. Our Other Product Types
- 27. People Also Search For
- 28. Frequently Asked Questions
- 29. About Ragnar Metals and Tubes
How to Choose the Right Phosphorus Bronze Flat Bars
India is home to hundreds of manufacturers ranging from small job shops to large ISO-certified exporters. International and domestic buyers typically evaluate manufacturers based on quality compliance, production capacity, export experience, and pricing transparency.
- Certification & international standards (ASME, ASTM, EN)
- Manufacturing capability vs trading activity
- Export documentation & inspection support
- Stock availability & lead time reliability
- Past supply experience in oil & gas, EPC & heavy industries
Comparison Factors Among Phosphorus Bronze Flat Bars
| Evaluation Factor | Small Local Suppliers | Trading Companies | ISO-Certified Manufacturers |
|---|---|---|---|
| Manufacturing Control | Limited | None | Full in-house / audited partners |
| International Standards | Basic | Depends on source | ASME / ASTM / EN |
| Inspection & MTCs | Limited | Inconsistent | EN 10204 3.1 / 3.2 |
| Export Experience | Low | Medium | 50+ countries |
| Risk for EPC Projects | High | Medium | Low |
International buyers typically prefer ISO-certified manufacturers for large-scale or critical applications due to better quality control, documentation, and lower project risk.
Why Global Buyers Choose Ragnar Metals and Tubes
Ragnar Metals and Tubes is a trusted ISO 9001:2015 certified manufacturer and global exporter of ferro alloys and metal products, supplying consistent, high-quality materials to customers across USA, UK, Europe, Middle East, Africa, and Asia-Pacific. Our focus on quality assurance, cost efficiency, and on-time delivery makes us a preferred sourcing partner for international buyers.
| Key Advantage | Buyer Benefit |
|---|---|
| ISO 9001:2015 Certified Manufacturing | Consistent quality with documented QA systems and process control |
| ASME / ASTM / EN Compliant Products | Globally accepted standards with EN 10204 3.1 / 3.2 MTCs |
| Lower Manufacturing & Sourcing Costs | Save up to 15–20% compared to European suppliers |
| Favorable Exchange Rate Advantage | Reduced landed cost for international importers |
| In-House Testing & Inspection Facilities | Strict chemical, mechanical & dimensional quality checks |
| Bulk Stock & High Production Capacity | Fast order fulfillment and stable supply for large projects |
| Custom Sizes & Drawing-Based Manufacturing | Products manufactured exactly to buyer specifications |
| Export-Grade Packaging & Global Logistics | Sea-worthy packing, palletization & worldwide shipping support |
| Faster Global Shipping Routes | Optimized logistics for Middle East, Africa & Southeast Asia |
| Technical & After-Sales Support | Project assistance, documentation & responsive RFQ handling |
| Trusted by Global Steel & EPC Companies | Proven export experience across 50+ countries |
Features of Phosphorus Bronze Flat Bars
- ✔ Excellent corrosion resistance
- ✔ High strength and durability
- ✔ Good electrical conductivity
- ✔ Superior wear resistance
- ✔ Easily machinable and formable
- ✔ Available in various sizes and thicknesses
Technical Overview of Phosphorus Bronze Flat Bars
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Phosphorus Bronze Flat Bars | Copper (Cu) 90%, Tin (Sn) 10%, Phosphorus (P) 0.5% | Electrical connectors, marine applications, and springs | ASTM B150, ASTM B271 |
| Phosphorus Bronze Flat Bars | Copper (Cu) 85%, Tin (Sn) 15%, Phosphorus (P) 0.5% | High-strength applications and corrosion-resistant components | ASTM B150, ASTM B271 |
| Phosphorus Bronze Flat Bars | Copper (Cu) 80%, Tin (Sn) 20%, Phosphorus (P) 0.5% | Heavy-duty machinery and automotive parts | ASTM B150, ASTM B271 |
Specifications Table
| Material | Phosphorus Bronze |
|---|---|
| Grades | C51900, C52000, C52100 |
| Standard | ASTM B150, ASTM B371 |
| Size Range | 1/4" to 4" width, 1/8" to 1" thickness |
| Length | Up to 20 feet |
| Form | Flat Bars |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| C51000 | Cu 90%, Sn 10% | Electrical connectors, springs, and marine applications |
| C51800 | Cu 95%, Sn 5%, P 0.05% | High-stress applications, electrical components |
| C54400 | Cu 85%, Sn 15% | Bearings, bushings, and wear-resistant applications |
| C53200 | Cu 88%, Sn 12% | Automotive components, marine hardware |
| C52000 | Cu 92%, Sn 8% | High-performance electrical applications |
Available Sizes of Phosphorus Bronze Flat Bars (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 x 5 | 50 x 10 |
| 15 x 5 | 60 x 10 |
| 20 x 10 | 70 x 15 |
| 25 x 10 | 80 x 20 |
| 30 x 15 | 90 x 25 |
| 35 x 15 | 100 x 30 |
| 40 x 20 | 120 x 40 |
| 45 x 20 | 150 x 50 |
| 50 x 25 | 200 x 50 |
| 60 x 30 | 250 x 75 |
Chemical Properties of Phosphorus Bronze Flat Bars
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 90.0 - 95.0 |
| Tin (Sn) | 5.0 - 10.0 |
| Phosphorus (P) | 0.01 - 0.35 |
| Lead (Pb) | 0.0 - 0.5 |
| Zinc (Zn) | 0.0 - 1.0 |
| Iron (Fe) | 0.0 - 0.5 |
| Nickel (Ni) | 0.0 - 1.0 |
| Other Elements | Total ≤ 1.0 |
Mechanical Properties of Phosphorus Bronze Flat Bars
| Property | Value |
|---|---|
| Tensile Strength | 520 - 700 MPa |
| Yield Strength | 275 - 450 MPa |
| Elongation | 8 - 20% |
| Hardness (Brinell) | 80 - 120 HB |
| Modulus of Elasticity | 110 GPa |
Phosphorus Bronze Flat Bars – Physical & Thermal Properties
Density of Phosphorus Bronze Flat Bars
| Property | Metric | Imperial |
|---|---|---|
| Density | 8.73 g/cm³ | 0.316 lb/in³ |
Melting Point of Phosphorus Bronze Flat Bars
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 900 - 950 °C | 1652 - 1742 °F |
Specific Heat of Phosphorus Bronze Flat Bars
| Specific Heat of Phosphorus Bronze Flat Bars | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 380 | 20 - 100 | Solid |
| 400 | 100 - 200 | Solid |
| 420 | 200 - 300 | Solid |
Electrical Resistivity of Phosphorus Bronze Flat Bars
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 16.0 | 20 | Annealed |
| 16.2 | 100 | |
| 16.5 | 200 | |
| 16.8 | 300 | |
| 17.0 | 400 | |
Equivalent of Phosphorus Bronze Flat Bars
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM B150 | CuSn | C51900 |
| EN 1982 | CW453K | C51900 |
Manufacturing Process & Heat Treatment of Phosphorus Bronze Flat Bars
Annealing
Annealing of phosphorus bronze flat bars is performed to relieve internal stresses and improve ductility. The bars are heated to a temperature range of 400-600°C and held for a specific duration to ensure uniform heat distribution. This process enhances the material's workability and prepares it for further processing.
Forging
Forging of phosphorus bronze flat bars involves heating the material to a malleable state, typically between 600-800°C, and then shaping it through mechanical forces. This process improves the grain structure, increases strength, and enhances the overall mechanical properties of the flat bars.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 800-900 | Water or oil | Increase hardness and strength |
| Tempering | 200-400 | Air | Reduce brittleness and increase toughness |
| Stress Relieving | 300-500 | Air | Relieve residual stresses from processing |
The combination of these processes ensures that phosphorus bronze flat bars achieve optimal mechanical properties for various industrial applications, balancing strength, ductility, and corrosion resistance.
Various Types
Phosphorus Bronze Flat Bar C51000
- Dimensions: 1" x 2" x 12'
- Condition: Hot Rolled
- Applications: Electrical connectors, Marine hardware
Phosphorus Bronze Flat Bar C51900
- Dimensions: 2" x 3" x 10'
- Condition: Cold Drawn
- Applications: Architectural applications, Musical instruments
Phosphorus Bronze Flat Bar C52400
- Dimensions: 1.5" x 4" x 8'
- Condition: Cold Finished
- Applications: High strength applications, Aerospace components
Phosphorus Bronze Flat Bar C54400
- Dimensions: 3" x 3" x 12'
- Condition: Annealed
- Applications: Marine applications, Pump components
Applications & Uses
- Oil & Gas Industry
- Petrochemical Plants
- Water Treatment Plants
- Pharmaceutical Industry
- Food & Beverage Industry
- Automobile Industry
Industries We Serve
Our alloys are widely used across:
- Steel Plants
- Foundries & Casting Units
- Automobile Industry
- Shipbuilding & Marine
- Oil & Gas
- Engineering Components
- Heavy Industrial Machinery
Latest Price List of Phosphorus Bronze Flat Bars
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Phosphorus Bronze | 3 mm | $6.50 – $7.00 | ₹540 – ₹580 |
| Phosphorus Bronze | 6 mm | $6.00 – $6.50 | ₹490 – ₹540 |
| Phosphorus Bronze | 10 mm | $5.80 – $6.30 | ₹470 – ₹520 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for Phosphorus Bronze Flat Bars.
MOQ & Payment Terms
Minimum Order Quantity: 25–100 Kg depending on part size and grade.
Payment Terms: Depending On Grade and Quantity Size
Export Packaging & Shipping
- Seaworthy, fumigated wooden crates with waterproof inner lining
- Palletised packing with clear shipping marks and heat number identification
- Container stuffing supervision with loading photographs available on request
Cities We Suppllied In India
We exported to 50+ countries worldwide.
Our Certifications
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.
GST Certificate
ISO 9001:2015
ISO 1002:2018
Udyam MSME Registration
Quality Inspection & Testing
At Ragnar Metals and Tubes, all products are checked through strict quality inspection and testing to meet international standards such as ASTM, ASME, EN, and DIN. This ensures consistent quality, accurate dimensions, and full material traceability.
- ✔ Chemical composition testing
- ✔ Mechanical tests such as tensile and hardness
- ✔ Dimensional inspection as per standard tolerances
- ✔ PMI, ultrasonic, and visual inspection (if required)
- ✔ EN 10204 3.1 / 3.2 test certificates
- ✔ Third-party inspection by SGS, TUV, BV, or Lloyd’s
Our quality systems support reliable supply for oil & gas, petrochemical, power, marine, and heavy engineering projects.
Our Products Types
People Also Search For
- Copper Nickel Flat Bars
- Aluminum Bronze Flat Bars
- Brass Flat Bars
- Phosphor Bronze Sheets
- Bronze Alloys Specifications
Frequently Asked Questions
About Ragnar Metals and Tubes
- ✔ Decades of experience in stainless steel, carbon steel, and alloy steel manufacturing
- ✔ ISO 9001:2015 certified company ensuring strict quality control standards
- ✔ Specialized in cold drawn pipes and tubes processing
- ✔ State-of-the-art manufacturing facilities with modern machinery
- ✔ Precision-engineered products with consistent quality and reliability
- ✔ Customized steel solutions as per client drawings and specifications
- ✔ Compliance with international industry standards
- ✔ Trusted supplier for critical industrial applications worldwide