Phosphorus Bronze Flat Bars
Phosphorus Bronze Flat Bars are manufactured to meet stringent ASTM B103 and BS EN 1982 standards, ensuring consistent mechanical properties and corrosion resistance. These bars typically conform to grades such as C51000 and C52100, suitable for high-performance industrial applications.
Widely utilized in electrical connectors, marine hardware, and precision instruments, their excellent wear resistance and fatigue strength make them indispensable in demanding environments. Quality assurance involves rigorous non-destructive testing and dimensional inspections to comply with international export requirements.
Packaging is executed with corrosion-inhibiting materials and secure crating to withstand long-haul logistics and minimize handling damage. Export documentation adheres to global trade protocols, facilitating seamless customs clearance and timely delivery.
Supply chain coordination ensures availability in various sizes and finishes, supporting diverse manufacturing needs across sectors. Continuous monitoring of inventory and shipment tracking enhances reliability in global distribution networks.
Global Delivery & Export Assurance
Trusted by EPC contractors, OEMs, and industrial buyers in 40+ countries
β± Fast Lead Time
2β7 weeks depending on size & specification
Expedited production available on requestπ¦ Flexible Delivery Terms
FOB, CIF, CFR, DDP (Incoterms 2020)
Door-to-port and door-to-door optionsβοΈ Global Shipping
Sea Freight / Air Cargo / Express Courier
Export documentation & tracking includedRequest Export Pricing for Phosphorus Bronze Flat Bars
Trusted by EPC contractors, procurement teams, and global industrial buyers across 50+ countries for certified supply and on-time delivery.
Manufacturer Pricing
Factory-direct rates with bulk stock availability to reduce your total landed cost.
International Certifications
ISO, EN 10204 3.1, SGS & TPI approved with mill test certificates on every shipment.
Export-Ready Packaging
Sea-worthy, container-ready packaging for safe international transit and on-time delivery.
Table of Contents
- 1. What is Phosphorus Bronze Flat Bars
- 2. Why Choose Ragnar Pipe and Tube
- 3. Export Delivery & Lead Time Information
- 4. How to Choose the Right Manufacturer
- 5. Comparison of Phosphorus Bronze Flat Bars
- 6. Why Global Buyers Source from Ragnar Metal and Tube
- 7. Features
- 8. Technical Overview
- 9. Specifications
- 10. Available Grades
- 11. Available Sizes
- 12. Chemical Properties
- 13. Mechanical Properties
- 14. Physical & Thermal Properties
- 15. Electrical Resistivity
- 16. Equivalent Grades
- 17. Manufacturing Process & Heat Treatment
- 18. Various Types
- 19. Applications & Uses
- 20. Industries We Serve
- 21. Latest Price List
- 22. MOQ & Payment Terms
- 23. Export Packaging & Shipping
- 24. Cities We Supply in India
- 25. Countries We Export Worldwide
- 26. Our Certifications
- 27. Quality Inspection & Testing
- 28. Our Other Product Types
- 29. People Also Search For
- 30. Frequently Asked Questions
- 31. About Ragnar Metal and Tube
How to Choose the Right Supplier for Phosphorus Bronze Flat Bars
Choosing the right supplier for Phosphorus Bronze Flat Bars plays a critical role in ensuring product quality, project safety, and long-term cost efficiency. With a wide range of manufacturers, stockists, and exporters operating across India, buyers must look beyond pricing and focus on reliability, certifications, and export readiness.
At Ragnar Metals & Tubes, we support global EPC contractors, procurement managers, and industrial buyers by delivering fully certified, traceable, and export-compliant metal products that meet international standards and country-specific import regulations.
- International standards compliance β ASTM, ASME, EN, ISO, and EN 10204 3.1 material test certification
- Verified manufacturing and sourcing β Direct mill supply, in-house processing, and strict quality inspections
- Inspection and export documentation β SGS, TPI, BV, and customs-ready paperwork for smooth international clearance
- Stock availability and delivery timelines β Reliable lead times for urgent, bulk, and project-based requirements
- Global project experience β Proven supply for oil & gas, EPC, petrochemical, power generation, and heavy engineering industries
Comparison Guide for Phosphorus Bronze Flat Bars
Understand the key differences between local suppliers, trading firms, and ISO-certified manufacturers to make informed sourcing decisions for international and domestic projects.
| Evaluation Factor | Small Local Suppliers | Trading Companies | ISO-Certified Manufacturers |
|---|---|---|---|
| Manufacturing Control | Limited in-house processing | Dependent on third-party mills | Full in-house production or audited partner facilities |
| International Standards | Basic or regional compliance | Varies by sourcing mill | ASTM, ASME, EN, ISO certified materials |
| Inspection & Certification | Limited documentation | Inconsistent MTC availability | EN 10204 3.1 / 3.2, SGS, TPI, BV support |
| Export & Logistics Experience | Low or domestic-only | Moderate international handling | Established exports to 50+ countries |
| Project Risk Level | High | Medium | Low |
For critical applications in oil & gas, EPC, power generation, marine, and infrastructure projects, buyers typically prioritize ISO-certified manufacturers to ensure compliance, traceability, and long-term performance.
Why Global Buyers Partner with Ragnar Metals & Tubes
Ragnar Metals & Tubes is a globally trusted manufacturer, stockist, and exporter of stainless steel, duplex steel, alloy steel, and high-performance piping solutions supporting EPC contractors, industrial plants, and infrastructure projects across the Middle East, Europe, Africa, Southeast Asia, and the Americas . Our strength lies in technical expertise, certified quality systems, and export-focused supply chains designed for long-term project reliability.
| Ragnar Advantage | How It Benefits You |
|---|---|
| ISO-Certified Quality Management Systems | Documented inspection, traceability, and process controls ensure consistent material performance and compliance. |
| ASTM, ASME & EN Standard Compliance | Internationally approved specifications with EN 10204 3.1 / 3.2 mill test certificates for project and regulatory acceptance. |
| Strategic Stockholding & Production Partnerships | Faster lead times and stable supply for shutdowns, expansions, and large-scale EPC requirements. |
| Global Export & Documentation Expertise | Complete handling of COO, HS codes, packing lists, invoices, and third-party inspections for smooth customs clearance. |
| In-House & Third-Party Quality Verification | Chemical, mechanical, and dimensional testing supported by SGS, TPI, BV, and client-nominated agencies. |
| Custom Manufacturing & Project-Based Supply | Drawing-based production, special lengths, and grade substitutions engineered to match site and design requirements. |
| Export-Grade Packaging & Container Planning | Sea-worthy packing, fumigated pallets, and optimized container loading to minimize transit damage and logistics costs. |
| Multi-Industry Project Experience | Proven supply for oil & gas, power generation, marine, petrochemical, water treatment, and heavy engineering sectors. |
| Responsive RFQ & Technical Support Team | Fast quotations, material selection guidance, and documentation support throughout the procurement lifecycle. |
| Established Global Supply Network | Reliable exports to 50+ countries with repeat buyers and long-term project partnerships. |
Key Features of Phosphorus Bronze Flat Bars
- β High strength and durability
- β Excellent corrosion resistance
- β Good wear resistance and machinability
- β Superior electrical conductivity
- β Enhanced fatigue resistance
- β Versatile applications in various industries
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 and components | ASTM B150 / UNS C51000 |
| Phosphorus Bronze Flat Bars | Copper (Cu) 85%, Tin (Sn) 15%, Phosphorus (P) 0.5% | Marine hardware and fittings | ASTM B271 / UNS C52100 |
| Phosphorus Bronze Flat Bars | Copper (Cu) 80%, Tin (Sn) 20%, Phosphorus (P) 0.5% | Industrial machinery and equipment | EN 1982 / CuSn20P |
Specifications Table
| Material | Phosphorus Bronze |
|---|---|
| Grades | C51000, C51900, C52100 |
| Standard | ASTM B150, ASTM B271 |
| Size Range | 1/4" to 2" thick, 1" to 6" wide |
| Length | Up to 20 feet |
| Form | Flat Bars |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Phosphorus Bronze Pipes | C43000 (90% Copper, 10% Tin, <0.5% Phosphorus) | Marine hardware, electrical connectors |
| Phosphorus Bronze Tubes | C46400 (85% Copper, 5% Tin, 5% Zinc, <0.3% Phosphorus) | High-stress applications, musical instruments |
| Phosphorus Bronze Fittings | C51000 (95% Copper, 4% Tin, 1% Zinc) | Pipelines, hydraulic systems |
| Phosphorus Bronze Bars | C52100 (95% Copper, 5% Tin, <0.15% Phosphorus) | Structural components, springs |
| Phosphorus Bronze Plates | C54400 (90% Copper, 10% Tin, 0.15-0.5% Phosphorus) | Wear-resistant applications, marine construction |
Available Sizes of Phosphorus Bronze Flat Bars (MM)
| Size (MM) | Size (MM) |
|---|---|
| 10 x 5 | 20 x 10 |
| 15 x 5 | 25 x 10 |
| 20 x 5 | 30 x 10 |
| 25 x 5 | 35 x 10 |
| 30 x 5 | 40 x 10 |
| 35 x 5 | 50 x 10 |
| 40 x 5 | 60 x 10 |
| 50 x 5 | 70 x 10 |
| 60 x 5 | 80 x 10 |
| 70 x 5 | 100 x 10 |
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 - 0.5 |
| Zinc (Zn) | Up to 5.0 |
| Lead (Pb) | Up to 0.1 |
| Iron (Fe) | Up to 0.5 |
| Aluminum (Al) | Up to 0.5 |
| Other Elements | Trace |
Mechanical Properties of Phosphorus Bronze Flat Bars
| Property | Value |
|---|---|
| Tensile Strength | 450 - 650 MPa |
| Yield Strength | 250 - 400 MPa |
| Elongation | 10 - 30% |
| Hardness | 85 - 100 HB |
| Modulus of Elasticity | 100 - 110 GPa |
Phosphorus Bronze Flat Bars β Physical & Thermal Properties
Density of Phosphorus Bronze Flat Bars
| Property | Metric | Imperial |
|---|---|---|
| Density | 8.73 g/cmΒ³ | 0.315 lb/inΒ³ |
Melting Point of Phosphorus Bronze Flat Bars
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 900 - 950 Β°C | 1652 - 1742 Β°F |
Specific Heat of Phosphorus Bronze Flat Bars
| Specific Heat of Phosphorus Bronze Flat Bars | ||
|---|---|---|
| Specific Heat (J/kgΒ·K) | Temperature Range (Β°C) | Condition |
| 380 | 20 - 100 | Solid |
| 400 | 100 - 200 | Solid |
| 420 | 200 - 300 | Solid |
Electrical Resistivity of Phosphorus Bronze Flat Bars
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·m) | Temperature (°C) | Treatment or Condition |
| 16.0 | 20 | Annealed |
| 16.5 | 100 | |
| 17.0 | 200 | |
| 17.5 | 300 | |
| 18.0 | 400 | |
Equivalent of Phosphorus Bronze Flat Bars
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| EN 1982 CuSn10 | CuSn10 | C51000 |
| ASTM B150 C51000 | CuSn10 | C51000 |
Manufacturing Process & Heat Treatment of Phosphorus Bronze Flat Bars
Annealing
Annealing of phosphorus bronze flat bars involves heating the material to a temperature range of 600-700Β°C and holding it for a specific duration. This process helps to relieve internal stresses, improve ductility, and enhance the material's workability. After the holding period, the bars are slowly cooled in a furnace or air-cooled to achieve the desired mechanical properties.
Forging
The forging process for phosphorus bronze flat bars is conducted at elevated temperatures, typically between 700-900Β°C. During forging, the bars are shaped by applying compressive forces, which refine the grain structure and improve the overall strength and toughness of the material. This process is essential for achieving the required dimensional accuracy and surface finish.
Hardening & Tempering
| Process | Temperature Range (Β°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 800-900 | Water or Oil | To increase hardness and strength |
| Tempering | 300-400 | Air | To reduce brittleness and achieve desired toughness |
| Stress Relieving | 200-300 | Air | To relieve residual stresses from manufacturing processes |
The combination of forging, hardening, and tempering processes ensures that phosphorus bronze flat bars possess optimal mechanical properties, making them suitable for a wide range of industrial applications.
Various Types
Phosphorus Bronze C51000 Flat Bar
- Thickness: 10mm, Width: 50mm, Length: 2000mm
- Condition: Hot Rolled
- Applications: Electrical connectors, marine hardware, and springs
Phosphorus Bronze C54400 Flat Bar
- Thickness: 15mm, Width: 75mm, Length: 3000mm
- Condition: Cold Drawn
- Applications: Valves, pumps, and high-strength fasteners
Phosphorus Bronze C51900 Flat Bar
- Thickness: 20mm, Width: 100mm, Length: 2500mm
- Condition: Annealed
- Applications: Electrical components, marine applications, and decorative uses
Phosphorus Bronze C63000 Flat Bar
- Thickness: 25mm, Width: 150mm, Length: 3000mm
- Condition: Rolled
- Applications: Oil and gas industry, marine fittings, and automotive parts
Applications & Uses of Stainless Steel and Alloy Products
- Oil & Gas Industry: Pipelines, process piping, and high-pressure fluid handling systems.
- Petrochemical & Refineries: Reactors, heat exchangers, and chemical processing units.
- Water Treatment Plants: Filtration systems, storage tanks, and corrosion-resistant piping.
- Pharmaceutical Industry: Hygienic piping, sanitary fittings, and cleanroom equipment.
- Food & Beverage: Processing lines, storage vessels, and contamination-free pipelines.
- Automobile & Engineering: Exhaust systems, structural parts, and precision components.
- Power & Energy Sector: Boilers, condensers, and turbine piping systems.
- Marine & Offshore: Shipbuilding, offshore platforms, and coastal infrastructure.
- Construction & Infrastructure: Structural frameworks, bridges, and industrial buildings.
Industries We Serve
Our stainless steel, alloy steel, and high-performance metal products are widely used across the following industries:
Latest Price List of Phosphorus Bronze Flat Bars
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Phosphorus Bronze | 3 mm | $6.50 β $7.00 | βΉ540 β βΉ560 |
| Phosphorus Bronze | 6 mm | $6.80 β $7.30 | βΉ560 β βΉ580 |
| Phosphorus Bronze | 10 mm | $7.00 β $7.50 | βΉ580 β βΉ600 |
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 for Metal Products
- Minimum Order Quantity (MOQ): Typically 25β100 Kg, depending on product type, dimensions, and material grade.
- Payment Terms: Flexible terms based on order volume, grade selection, and delivery location. Advance payment or mutually agreed commercial terms apply.
Steel Export Packaging & International Shipping Services from India
We provide professional steel export packaging and global shipping services from India, ensuring stainless steel and alloy steel products are securely packed, documented, and delivered to international ports including the Middle East, Europe, Africa, and Southeast Asia with full compliance to international trade and quality standards.
- Seaworthy Export Packing: Fumigated wooden crates with waterproof lining to protect steel products during ocean transit.
- Palletised & Marked Shipments: Heat number identification, batch labeling, and export documentation for traceability and customs clearance.
- Container Stuffing & Inspection: Supervised loading with photographs, weight checks, and final quality inspection before dispatch.
We Export Stainless Steel & Alloy Products to 50+ Countries Worldwide
| Global Export Destinations | |||||
|---|---|---|---|---|---|
| United States | Canada | Mexico | United Kingdom | Germany | Netherlands |
| Italy | Spain | South Africa | Australia | India | Korea |
| United Arab Emirates | Saudi Arabia | Qatar | Kuwait | Oman | Bahrain |
| Singapore | Malaysia | Indonesia | Dubai | Riyadh | Dammam |
Our Certifications & Export Compliance Standards
We are a certified stainless steel and alloy steel manufacturer and global exporter from India, operating under internationally recognized quality, safety, and export compliance standards to ensure reliable supply for international buyers and industrial projects.
GST Registered Company β Government of India
ISO 9001:2015 β Quality Management System
ISO 1002:2018 - Quality Management System
Udyam Registration β MSME, Government of India
Testing Process & Quality Assurance β Ragnar Metals & Tubes
At Ragnar Metals & Tubes, our testing process ensures the safety, reliability, and performance of stainless steel and alloy steel products supplied for global industrial and infrastructure projects. Each batch is verified from raw material selection to final dispatch under internationally recognized standards including ASTM, ASME, ISO, DIN, and EN.
Detects internal flaws using high-frequency sound waves
Measures yield strength, elongation, and material durability
Evaluates toughness under low-temperature and high-stress conditions
Ensures smoothness, coating quality, and visual compliance
Enhances hardness, strength, and corrosion resistance
Measures resistance to deformation and wear
Documentation & Global Compliance
- β EN 10204 3.1 / 3.2 Mill Test Certificates (MTC)
- β Batch-wise quality traceability and inspection records
- β Third-party inspection by SGS, TUV, Bureau Veritas & Lloydβs
- β Export documentation support for customs and international shipping
Supporting supply for oil & gas, petrochemical, power generation, marine, infrastructure, and heavy engineering industries worldwide.
Related Products
Explore our full range of stainless steel and alloy steel products including pipes, tubes, fittings, flanges, sheets, plates, spools, fasteners, round bars, and special grades manufactured for industrial, infrastructure, and global export applications.
People Also Search For
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Frequently Asked Questions
About Ragnar Metals & Tubes
- β Leading manufacturer, stockist, and exporter of stainless steel and alloy steel products for industrial and infrastructure projects
- β ISO 9001:2015 certified quality management system ensuring consistent product reliability and compliance
- β Specialized in precision pipes, tubes, fittings, flanges, sheets, plates, fasteners, and round bars
- β Modern processing and testing facilities with advanced manufacturing and inspection equipment
- β Custom-engineered solutions based on client drawings and technical specifications
- β Full material traceability with EN 10204 3.1 / 3.2 mill test certification
- β Compliance with ASTM, ASME, DIN, EN, and ISO international standards
- β Trusted global supplier supporting oil & gas, petrochemical, power, marine, and heavy engineering industries