Duplex 2205 Pipe


Duplex 2205 Pipe is a high-performance stainless steel alloy known for its exceptional strength and corrosion resistance. Composed primarily of a balanced mix of austenitic and ferritic stainless steel, this material offers superior durability in demanding industrial environments. Its unique microstructure provides enhanced resistance to stress corrosion cracking and pitting, making it an ideal choice for piping systems exposed to aggressive chemicals and high pressures.
This type of pipe is widely used in sectors such as oil and gas, chemical processing, and marine applications where reliability and longevity are critical. The product is manufactured to meet stringent international standards, including ASTM A789 and ASME SA789, ensuring consistent quality and performance. Its high yield strength allows for reduced wall thickness without compromising safety, contributing to cost savings in transportation and installation.
The corrosion resistance of these pipes extends to environments containing chlorides and other harsh agents, which often cause premature failure in conventional stainless steels. Additionally, the excellent weldability and formability facilitate seamless integration into complex piping networks. This makes it highly suitable for heat exchangers, pressure vessels, and desalination plants where both mechanical and chemical stresses are prevalent.
Export-ready, these pipes are supplied with comprehensive documentation such as mill test reports, material certifications, and third-party inspection certificates to comply with global trade regulations. Packaging is designed to protect the product during transit, ensuring that it arrives in optimal condition for immediate deployment. The availability of various sizes and thicknesses further supports tailored solutions for diverse project requirements.
For industrial buyers seeking a reliable and cost-effective piping solution, this duplex alloy offers a balanced combination of performance and durability. Its ability to withstand harsh operating conditions while maintaining structural integrity makes it a preferred choice for critical infrastructure projects worldwide. Partnering with certified manufacturers and suppliers ensures consistent supply and adherence to international quality benchmarks.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex 2205 Pipe 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: 500 MT / Month
- Export Experience: 15+ Years
- Countries Served: 50+
- Annual Export Volume: 5,500 MT
Table of Contents
- 1. What is Duplex 2205 Pipe
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2205 Pipe
- 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 Duplex 2205 Pipe
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 Duplex 2205 Pipe
| 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 Duplex 2205 Pipe
- ✔ High resistance to pitting and crevice corrosion
- ✔ Excellent weldability and fabricability
- ✔ Superior strength and toughness compared to standard stainless steels
- ✔ Good resistance to stress corrosion cracking
- ✔ Suitable for a wide range of temperatures
- ✔ Cost-effective solution for various industrial applications
Technical Overview of Duplex 2205 Pipe
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2205 Pipe | 22% Chromium, 5% Nickel, 3% Molybdenum, balance Iron | Used in applications requiring high strength and corrosion resistance | ASTM A790, ASME SA790 |
| Duplex 2205 Pipe | 22% Chromium, 5% Nickel, 3% Molybdenum, balance Iron | Commonly used in oil and gas, chemical processing, and seawater applications | EN 10216-5, NACE MR0175 |
| Duplex 2205 Pipe | 22% Chromium, 5% Nickel, 3% Molybdenum, balance Iron | Ideal for environments with high chloride concentrations | ISO 15156, API 5L |
Specifications Table
| Material | Duplex Stainless Steel 2205 |
|---|---|
| Grades | UNS S32205, UNS S32003 |
| Standard | ASTM A790 / A790M |
| Size Range | 1/2" to 24" nominal pipe size |
| Length | Standard lengths of 20 feet (6.1 meters) or custom lengths available |
| Form | Seamless and welded |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2205 Pipe | Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N | Oil and gas, chemical processing, seawater applications |
| Duplex 2205 Pipe | Fe, 22% Cr, 5% Ni, 3% Mo, 0.14% N | Pulp and paper industry, marine environments |
| Duplex 2205 Pipe | Fe, 22% Cr, 5% Ni, 3% Mo, 0.15% N | Heat exchangers, pressure vessels |
| Duplex 2205 Pipe | Fe, 22% Cr, 5% Ni, 3% Mo, 0.16% N | Water treatment facilities, flue gas desulfurization |
| Duplex 2205 Pipe | Fe, 22% Cr, 5% Ni, 3% Mo, 0.18% N | Offshore structures, pipelines |
Available Sizes of Duplex 2205 Pipe (MM)
| Size (MM) | Size (MM) |
|---|---|
| 15 | 20 |
| 25 | 32 |
| 40 | 50 |
| 65 | 80 |
| 100 | 125 |
| 150 | 200 |
| 250 | 300 |
| 350 | 400 |
| 450 | 500 |
| 600 | 800 |
Chemical Properties of Duplex 2205 Pipe
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 3.5 |
| Manganese (Mn) | 0.8 - 1.5 |
| Silicon (Si) | 0.5 max |
| Carbon (C) | 0.03 max |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.02 max |
Mechanical Properties of Duplex 2205 Pipe
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 880 |
| Yield Strength (MPa) | 450 minimum |
| Elongation (% in 50 mm) | 25 minimum |
| Hardness (HB) | 250 maximum |
| Impact Toughness (J at -40°C) | ≥ 40 |
Duplex 2205 Pipe – Physical & Thermal Properties
Density of Duplex 2205 Pipe
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm³ | 0.28 lb/in³ |
Melting Point of Duplex 2205 Pipe
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1475 °C | 2600 - 2700 °F |
Specific Heat of Duplex 2205 Pipe
| Specific Heat of Duplex 2205 Pipe | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 540 | 100 - 400 | High Temperature |
| 600 | 400 - 800 | Very High Temperature |
Electrical Resistivity of Duplex 2205 Pipe
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.80 | 20 | As-annealed |
| 0.82 | 100 | |
| 0.85 | 200 | |
| 0.88 | 300 | |
| 0.90 | 400 | |
Equivalent of Duplex 2205 Pipe
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A790 | 1.4462 | S32205 |
| EN 10088-3 | 1.4462 | S32205 |
Manufacturing Process & Heat Treatment of Duplex 2205 Pipe
Annealing
Annealing of Duplex 2205 pipe is performed to relieve internal stresses and to improve ductility. The process involves heating the material to a temperature range of 1020°C to 1100°C, followed by a controlled cooling process. This treatment enhances the corrosion resistance and overall toughness of the duplex stainless steel.
Forging
The forging of Duplex 2205 pipe typically takes place at temperatures between 1100°C and 1200°C. This hot working process helps to refine the grain structure, resulting in improved mechanical properties. The forged pipes undergo subsequent machining processes to achieve the desired dimensions and surface finish.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1000 - 1100 | Water or Oil | Increase hardness and strength |
| Tempering | 600 - 800 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 300 - 500 | Air | Minimize residual stresses |
The manufacturing and heat treatment processes for Duplex 2205 pipe are critical in achieving the desired mechanical properties and corrosion resistance, making it suitable for various industrial applications.
Various Types
Duplex 2205 Seamless Pipe
- Diameter: 1/2" to 24"
- Condition: Annealed
- Applications: Oil and gas, chemical processing
Duplex 2205 Welded Pipe
- Diameter: 1" to 30"
- Condition: Pickled
- Applications: Marine environments, pulp and paper
Duplex 2205 Square Pipe
- Dimensions: 50mm x 50mm to 150mm x 150mm
- Condition: Cold drawn
- Applications: Structural applications, frames
Duplex 2205 Rectangular Pipe
- Dimensions: 60mm x 40mm to 200mm x 100mm
- Condition: Hot finished
- Applications: Industrial machinery, construction
Applications & Uses
- 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 Duplex 2205 Pipe
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex 2205 | 3 mm | $2.50 – $2.80 | ₹207 – ₹232 |
| Duplex 2205 | 6 mm | $2.60 – $2.90 | ₹215 – ₹240 |
| Duplex 2205 | 10 mm | $2.70 – $3.00 | ₹223 – ₹248 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for Duplex 2205 Pipe.
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
We Exported 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
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.
GST Registered
ISO 9001:2015
ISO 1002:2018
Udyam MSME Registration
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.
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
- ✔ EN 10204 3.1 / 3.2 Mill Test Certificates (MTC)
- ✔ Batch-wise quality traceability and inspection records
- ✔ Third-party inspection by SGS, TUV, Bureau Veritas & Lloyd’s
- ✔ Export documentation support for customs and international shipping
Supporting supply for oil & gas, petrochemical, power generation, marine, infrastructure, and heavy engineering industries worldwide.
People Also Search For
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- Stainless Steel Pipe Fittings
Frequently Asked Questions
About Ragnar Metals & Tubes
- ✔ Leading manufacturer, stockist, and exporter of stainless steel and alloy steel products for industrial and infrastructure projects
- ✔ ISO 9001:2015 certified quality management system ensuring consistent product reliability and compliance
- ✔ Specialized in precision pipes, tubes, fittings, flanges, sheets, plates, fasteners, and round bars
- ✔ Modern processing and testing facilities with advanced manufacturing and inspection equipment
- ✔ Custom-engineered solutions based on client drawings and technical specifications
- ✔ Full material traceability with EN 10204 3.1 / 3.2 mill test certification
- ✔ Compliance with ASTM, ASME, DIN, EN, and ISO international standards
- ✔ Trusted global supplier supporting oil & gas, petrochemical, power, marine, and heavy engineering industries