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Phosphorus Bronze Round Bar

Phosphorus Bronze Round Bar is widely recognized for its excellent wear resistance and high fatigue strength, conforming to ASTM B139 and BS EN 1982 standards. Its typical grades include C51000 and C52100, ensuring consistent mechanical properties for industrial use.

Common applications span electrical connectors, marine hardware, and precision instruments, where corrosion resistance and dimensional stability are critical. Rigorous non-destructive testing and hardness verification are standard procedures before dispatch.

Export operations adhere to international packaging norms, utilizing corrosion-inhibiting wraps and custom crates to safeguard against transit damage. Logistics partners are selected based on their capability to handle sensitive metal products with traceability and timely delivery.

Quality assurance involves chemical composition analysis and tensile testing to meet client specifications across global markets. Documentation includes mill test certificates and compliance reports to facilitate seamless customs clearance and acceptance.

Phosphorus Bronze Round Bar manufactured and exported by Ragnar Pipe & Tube Company, India
ISO CertifiedSGS CertifiedTUV Certified MSME Certified
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Global Delivery & Export Assurance

Trusted by EPC contractors, OEMs, and industrial buyers in 40+ countries

⏱ Fast Lead Time

2–7 weeks depending on size & specification

Expedited production available on request

πŸ“¦ Flexible Delivery Terms

FOB, CIF, CFR, DDP (Incoterms 2020)

Door-to-port and door-to-door options

✈️ Global Shipping

Sea Freight / Air Cargo / Express Courier

Export documentation & tracking included

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Trusted by EPC contractors, procurement teams, and global industrial buyers across 50+ countries for certified supply and on-time delivery.

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Manufacturer Pricing

Factory-direct rates with bulk stock availability to reduce your total landed cost.

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International Certifications

ISO, EN 10204 3.1, SGS & TPI approved with mill test certificates on every shipment.

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Export-Ready Packaging

Sea-worthy, container-ready packaging for safe international transit and on-time delivery.

400+ MT / Month Production 12+ Years Export Experience 50+ Countries Served 5,100+ MT Annual Exports
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Table of Contents

How to Choose the Right Supplier for Phosphorus Bronze Round Bar

Choosing the right supplier for Phosphorus Bronze Round Bar 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 – ASTM, ASME, EN, ISO, and EN 10204 3.1 material test certification
  • Verified manufacturing and sourcing – Direct mill supply, in-house processing, and strict quality inspections
  • Inspection and export documentation – SGS, TPI, BV, and customs-ready paperwork for smooth international clearance
  • Stock availability and delivery timelines – Reliable lead times for urgent, bulk, and project-based requirements
  • Global project experience – Proven supply for oil & gas, EPC, petrochemical, power generation, and heavy engineering industries

Comparison Guide for Phosphorus Bronze Round Bar

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 Round Bar

  • βœ” Excellent corrosion resistance for prolonged durability
  • βœ” High fatigue resistance suitable for dynamic applications
  • βœ” Good electrical conductivity for efficient performance
  • βœ” Superior machinability for precise fabrication
  • βœ” Enhanced wear resistance for longer service life
  • βœ” Versatile applications in marine, aerospace, and electrical industries

Technical Overview of Phosphorus Bronze Round Bar

Product Composition Usage Standards
Phosphorus Bronze Round Bar Copper (Cu) 90%, Tin (Sn) 10%, Phosphorus (P) 0.5% Electrical connectors and components ASTM B150, ASTM B271
Phosphorus Bronze Round Bar Copper (Cu) 85%, Tin (Sn) 15%, Phosphorus (P) 0.5% Marine hardware and fittings EN 1654, UNS C51000
Phosphorus Bronze Round Bar Copper (Cu) 88%, Tin (Sn) 12%, Phosphorus (P) 0.5% Valves and pumps in corrosive environments ASTM B139, ASTM B453

Specifications Table

Material Phosphorus Bronze
Grades C51000, C51900, C52100
Standard ASTM B150, ASTM B271
Size Range 3/16" to 6" diameter
Length Up to 12 feet
Form Round Bar

Available Grades Table

Product Composition Applications
Phosphorus Bronze Pipes C51000 (Cu-9% Sn-0.5% P) Marine hardware and valves
Phosphorus Bronze Tubes C54400 (Cu-7% Sn-0.5% P) Electrical connectors and terminals
Phosphorus Bronze Fittings C51900 (Cu-8% Sn-0.15% P) Piping systems in chemical industries
Phosphorus Bronze Bars C51010 (Cu-9% Sn-0.1% P) Manufacturing of springs and fasteners
Phosphorus Bronze Plates C52000 (Cu-8% Sn-0.5% P) Wear plates and bushings in machinery

Available Sizes of Phosphorus Bronze Round Bar (MM)

Size (MM) Size (MM)
6 10
12 14
16 19
20 25
30 35
40 50
60 70
80 90
100 120
150 200

Chemical Properties of Phosphorus Bronze Round Bar

Element Composition (%)
Copper (Cu) 90.0 - 95.0
Tin (Sn) 5.0 - 10.0
Phosphorus (P) 0.01 - 0.5
Zinc (Zn) 0.0 - 5.0
Lead (Pb) 0.0 - 0.5
Iron (Fe) 0.0 - 0.3
Aluminum (Al) 0.0 - 0.5
Other Elements Balance

Mechanical Properties of Phosphorus Bronze Round Bar

Property Value
Tensile Strength 600 - 800 MPa
Yield Strength 300 - 500 MPa
Elongation 10 - 20%
Hardness (Brinell) 150 - 200 HB
Modulus of Elasticity 100 - 120 GPa

Phosphorus Bronze Round Bar – Physical & Thermal Properties

Density of Phosphorus Bronze Round Bar

Property Metric Imperial
Density 8.7 g/cmΒ³ 0.315 lb/inΒ³

Melting Point of Phosphorus Bronze Round Bar

Property Metric Imperial
Melting Point 900 - 950 Β°C 1652 - 1742 Β°F

Specific Heat of Phosphorus Bronze Round Bar

Specific Heat of Phosphorus Bronze Round Bar
Specific Heat (J/kgΒ·K) Temperature Range (Β°C) Condition
380 20 - 100 Solid
400 100 - 300 Solid
420 300 - 600 Solid

Electrical Resistivity of Phosphorus Bronze Round Bar

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 Round Bar

Standard Werkstoff Nr. UNS
ASTM B150 CuSn6 C51900
BS 2870 PB1 C93200
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Manufacturing Process & Heat Treatment of Phosphorus Bronze Round Bar

Annealing

Annealing of phosphorus bronze round bars is performed to relieve internal stresses and enhance ductility. The bars are heated to a temperature range of 400-700Β°C, held at this temperature for a specified duration, and then gradually cooled to room temperature. This process improves the workability of the material for subsequent processing.

Forging

Forging is a critical process in the manufacturing of phosphorus bronze round bars. The material is heated to approximately 700-800Β°C and then shaped through mechanical deformation. This process refines the grain structure, improves mechanical properties, and results in a more uniform material. The forged bars are subsequently cooled in air to stabilize their dimensions.

Hardening & Tempering

Process Temperature Range (Β°C) Quenching Medium Purpose
Hardening 800-900 Water Increase hardness and strength
Tempering 300-500 Air Reduce brittleness and improve toughness
Stabilization 200-300 Air Enhance dimensional stability

The combination of these processes ensures that phosphorus bronze round bars possess the required mechanical properties for various industrial applications, making them suitable for high-performance environments.

Various Types

Phosphorus Bronze C51000 Round Bar

  • Diameter: 10mm to 100mm
  • Condition: Hot Rolled, Cold Drawn
  • Applications: Electrical Connectors, Marine Hardware
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Phosphorus Bronze C51900 Round Bar

  • Diameter: 5mm to 50mm
  • Condition: Annealed, Heat Treated
  • Applications: Springs, Valve Components
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Phosphorus Bronze C52100 Round Bar

  • Diameter: 8mm to 80mm
  • Condition: Cold Drawn, Stress Relieved
  • Applications: High Strength Fasteners, Pump Components
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Phosphorus Bronze C54400 Round Bar

  • Diameter: 12mm to 120mm
  • Condition: Hot Rolled, Cold Drawn
  • Applications: Gear Components, Marine Applications
Get Best Price

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 Round Bar

Material Grade Thickness Price (USD / Kg) Price (INR / Kg)
Phosphorus Bronze 3 mm $8.50 – $9.00 β‚Ή700 – β‚Ή750
Phosphorus Bronze 6 mm $8.00 – $8.50 β‚Ή650 – β‚Ή700
Phosphorus Bronze 10 mm $7.50 – $8.00 β‚Ή600 – β‚Ή650

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 Round Bar.

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MOQ & Payment Terms for Metal Products

  • Minimum Order Quantity (MOQ): Typically 25–100 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.
Steel coils securely packed for export shipment at Mumbai port
Supervised container loading of steel sheets for international export
Seaworthy packing of steel materials for international shipment
Fumigated wooden crate packing used for steel exports
Industrial steel products packed in fumigated wooden crates for overseas shipping
Palletised steel materials prepared and secured for international shipment
Export-ready steel products staged at container yard for overseas delivery
Heavy-duty export packaging for stainless steel and alloy steel products

Cities We Supplied In India

Supply Cities
Mumbai Delhi Pune Chennai Hyderabad Bengaluru
Ahmedabad Rajkot Coimbatore Kolkata Bhopal Surat

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 Registration Certificate - Ragnar Metals & Tubes

GST Registered Company – Government of India

ISO 9001:2015 Certification - Ragnar Metals & Tubes

ISO 9001:2015 – Quality Management System

ISO 1002:2018 Certification - Ragnar Metals & Tubes

ISO 1002:2018 - Quality Management System

Udyam Registration MSME Certificate - Ragnar Metals & Tubes

Udyam Registration – MSME, Government of India

Testing Process & Quality Assurance – 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.

Ultrasonic testing of stainless steel and alloy steel pipes for internal defect detection
Ultrasonic Testing (UT)

Detects internal flaws using high-frequency sound waves

Tensile strength testing of stainless steel and alloy steel materials
Tensile Strength Test

Measures yield strength, elongation, and material durability

Charpy V-notch impact testing of steel materials for toughness evaluation
Impact Test (Charpy V-Notch)

Evaluates toughness under low-temperature and high-stress conditions

Surface finish inspection of stainless steel products for quality and compliance
Surface Finish Inspection

Ensures smoothness, coating quality, and visual compliance

Heat treatment process for improving strength and corrosion resistance of steel
Heat Treatment (HT)

Enhances hardness, strength, and corrosion resistance

Hardness testing of stainless steel and alloy steel materials
Hardness Testing

Measures resistance to deformation and wear

Documentation & Global Compliance

  • βœ” EN 10204 3.1 / 3.2 Mill Test Certificates (MTC)
  • βœ” Batch-wise quality traceability and inspection records
  • βœ” Third-party inspection by SGS, TUV, Bureau Veritas & Lloyd’s
  • βœ” Export documentation support for customs and international shipping

Supporting supply for oil & gas, petrochemical, power generation, marine, infrastructure, and heavy engineering industries worldwide.

Frequently Asked Questions

Yes, all our materials are manufactured and tested in compliance with ASTM, ASME, EN, DIN, ISO, and other applicable international standards. Each shipment is supplied with EN 10204 3.1 Material Test Certificates ensuring full traceability and quality assurance.

Yes, we provide EN 10204 3.1 or 3.2 Material Test Certificates with every order, including complete chemical and mechanical test reports linked to heat numbers and batch traceability.

Yes, we maintain ready stock of standard grades and sizes for fast domestic and international dispatch. Non-standard specifications are manufactured and delivered as per project timelines.

We export worldwide, including the USA, Canada, Germany, Italy, UAE, Saudi Arabia, Qatar, Oman, Singapore, Malaysia, Indonesia, South Africa, Australia, and other global industrial markets.

Our MOQ depends on the product type, grade, and size. We support both small trial orders and bulk project quantities for domestic and international buyers.

Yes, we provide custom cutting, machining, threading, polishing, heat treatment, and fabrication services based on customer drawings and technical specifications.

We support inspections by globally recognized agencies such as TUV, SGS, Bureau Veritas (BV), Lloyd’s Register, DNV, and customer-nominated inspection agencies.

Yes, we supply materials on FOB, CIF, and CFR basis as per Incoterms 2020, depending on the customer’s shipping preference and destination port.

Yes, we provide full export documentation including commercial invoice, packing list, certificate of origin, test certificates, and coordinate with freight forwarders for air and sea shipments worldwide.

Yes, our grades offers excellent resistance to corrosion, oxidation, and high-temperature conditions, making it suitable for oil & gas, chemical processing, power generation, marine, and industrial applications.

You can request the latest quotation by contacting our sales team or submitting an inquiry through our website. Pricing depends on size, quantity, delivery location, and current raw material market conditions.

Yes, we supply bulk quantities and project-specific materials for EPC contractors, refineries, petrochemical plants, power projects, and large-scale infrastructure developments worldwide.
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About Ragnar Metals & Tubes

  • βœ” Leading manufacturer, stockist, and exporter of stainless steel and alloy steel products for industrial and infrastructure projects
  • βœ” ISO 9001:2015 certified quality management system ensuring consistent product reliability and compliance
  • βœ” Specialized in precision pipes, tubes, fittings, flanges, sheets, plates, fasteners, and round bars
  • βœ” Modern processing and testing facilities with advanced manufacturing and inspection equipment
  • βœ” Custom-engineered solutions based on client drawings and technical specifications
  • βœ” Full material traceability with EN 10204 3.1 / 3.2 mill test certification
  • βœ” Compliance with ASTM, ASME, DIN, EN, and ISO international standards
  • βœ” Trusted global supplier supporting oil & gas, petrochemical, power, marine, and heavy engineering industries
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