Duplex 2205 Spool manufacturer
Duplex 2205 Spool manufacturer specializes in producing high-quality duplex stainless steel spools designed for demanding industrial applications. These spools are fabricated using Duplex 2205 alloy, known for its exceptional strength, corrosion resistance, and excellent performance in harsh environments. The dual-phase microstructure of this material combines austenitic and ferritic stainless steel properties, making it ideal for chemical processing, oil and gas, and marine industries.
The spools are precision-engineered components used to connect various sections of piping systems, ensuring leak-proof and durable joints. Manufactured to meet stringent industry standards such as ASTM A182 and ASME B16.9, these products offer superior resistance to stress corrosion cracking and pitting, critical for applications involving chloride-rich environments. The fabrication process includes cutting, welding, and heat treatment to enhance mechanical properties and extend service life.
Designed for seamless integration into complex piping networks, these spools are available in multiple sizes and configurations, including but not limited to, straight spools, spool pieces with flanges, and custom-fabricated shapes. Their versatility supports diverse sectors like petrochemical plants, desalination units, and offshore platforms where reliability and safety are paramount.
Export-ready packaging and documentation accompany each shipment, complying with international shipping regulations and quality assurance protocols. This ensures timely delivery and hassle-free customs clearance for global clients. The manufacturer also provides comprehensive testing reports, including PMI, NDT, and hydrostatic tests, to guarantee product integrity and traceability throughout the supply chain.
With a focus on durability, precision, and compliance, these duplex stainless steel piping components meet the rigorous demands of industrial buyers worldwide. Partnering with a reputable supplier ensures access to reliable pipe spools that optimize system performance and minimize maintenance costs in critical infrastructure projects.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex 2205 Spool manufacturer 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 Spool manufacturer
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2205 Spool manufacturer
- 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 Spool manufacturer
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 Spool manufacturer
| 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 Spool
- ✔ Exceptional corrosion resistance in both acidic and alkaline environments
- ✔ High strength and excellent toughness, even at sub-zero temperatures
- ✔ Superior weldability, allowing for versatile fabrication options
- ✔ Low thermal expansion, which helps maintain dimensional stability
- ✔ High resistance to stress corrosion cracking, ensuring long-term durability
- ✔ Cost-effective solution for various industrial applications
Technical Overview of Duplex 2205
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2205 Spool | 22% Cr, 5% Ni, 3% Mo | Oil and gas, chemical processing, marine environments | ASTM A790, ASME SA790 |
| Duplex 2205 Pipe | 22% Cr, 5% Ni, 3% Mo | Structural applications, offshore platforms | API 5L, ASTM A928 |
| Duplex 2205 Fittings | 22% Cr, 5% Ni, 3% Mo | High-pressure systems, process piping | ASTM A815, ASME B16.9 |
Specifications Table
| Material | Duplex Stainless Steel 2205 |
|---|---|
| Grades | 2205 |
| Standard | ASTM A790 / A928 |
| Size Range | 1/2" to 24" (NPS) |
| Length | Custom lengths available up to 40 feet |
| Form | Pipe and Spool |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2205 | 22% Cr, 5% Ni, 3% Mo | Oil and gas, chemical processing, desalination plants |
| Duplex 2205 Pipe | 22% Cr, 5% Ni, 3% Mo | High-pressure applications, seawater environments |
| Duplex 2205 Plate | 22% Cr, 5% Ni, 3% Mo | Structural components in marine environments |
| Duplex 2205 Fittings | 22% Cr, 5% Ni, 3% Mo | Connecting pipes in corrosive environments |
| Duplex 2205 Flanges | 22% Cr, 5% Ni, 3% Mo | Flanged connections in high-pressure systems |
Available Sizes of Duplex 2205 Spool (MM)
| Size (MM) | Size (MM) |
|---|---|
| 25 | 50 |
| 32 | 63 |
| 40 | 76 |
| 50 | 89 |
| 63 | 102 |
| 76 | 114 |
| 89 | 140 |
| 102 | 159 |
| 114 | 168 |
| 140 | 219 |
Chemical Properties of Duplex 2205
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 3.5 |
| Iron (Fe) | Balance |
| Manganese (Mn) | 0.5 - 1.5 |
| Silicon (Si) | ≤ 1.0 |
| Carbon (C) | ≤ 0.03 |
| Sulfur (S) | ≤ 0.01 |
Mechanical Properties of Duplex 2205
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 |
| Yield Strength (MPa) | 450 |
| Elongation (%) | 25 |
| Hardness (HB) | 290 |
| Impact Toughness (J at -50°C) | 50 |
Duplex 2205 – Physical & Thermal Properties
Density of Duplex 2205
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm³ | 0.282 lb/in³ |
Melting Point of Duplex 2205
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1475 °C | 2600 - 2700 °F |
Specific Heat of Duplex 2205
| Specific Heat of Duplex 2205 | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 600 | 100 - 300 | High Temperature |
| 700 | 300 - 600 | High Temperature |
Electrical Resistivity of Duplex 2205
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.73 | 20 | As-rolled |
| 0.75 | 100 | |
| 0.77 | 200 | |
| 0.80 | 300 | |
| 0.82 | 400 | |
Equivalent of Duplex 2205
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A240 | 1.4462 | S32205 |
| EN 10088-3 | 1.4462 | S32205 |
Manufacturing Process & Heat Treatment of Duplex 2205
Annealing
Annealing of Duplex 2205 is performed at temperatures ranging from 1020°C to 1100°C. This process helps to relieve internal stresses, improve ductility, and ensure a uniform microstructure. The material is held at the specified temperature for a sufficient duration to allow for complete transformation, followed by controlled cooling to avoid the formation of unwanted phases.
Forging
The forging of Duplex 2205 involves heating the material to a temperature of approximately 1100°C to 1200°C. This process enhances the mechanical properties of the steel by refining the grain structure. The forged components are then cooled at a controlled rate to maintain the desired microstructure and properties.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020 - 1100 | Water or Oil | Increase hardness and strength |
| Tempering | 600 - 800 | Air | Reduce brittleness and improve toughness |
| Stabilization | 1000 - 1100 | Air | Enhance corrosion resistance and prevent embrittlement |
The manufacturing and heat treatment processes for Duplex 2205 are critical in achieving the desired mechanical properties and corrosion resistance, making it suitable for various industrial applications.
Various Types
Duplex 2205 Spool - Standard
- Diameter: 6 inches, Length: 12 inches
- Condition: Annealed
- Applications: Oil & Gas, Chemical Processing
Duplex 2205 Spool - High Pressure
- Diameter: 8 inches, Length: 10 inches
- Condition: Hot Finished
- Applications: Power Generation, Water Treatment
Duplex 2205 Spool - Custom Dimensions
- Diameter: 4 inches, Length: 16 inches
- Condition: Cold Drawn
- Applications: Marine Applications, Desalination
Duplex 2205 Spool - Welded
- Diameter: 10 inches, Length: 8 inches
- Condition: As Welded
- Applications: Piping Systems, HVAC
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 Spool
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex 2205 | 3 mm | $2.50 – $2.70 | ₹207 – ₹224 |
| Duplex 2205 | 6 mm | $2.45 – $2.65 | ₹202 – ₹219 |
| Duplex 2205 | 10 mm | $2.40 – $2.60 | ₹198 – ₹216 |
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 Spool.
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.
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
- Duplex 2205 Pipe Supplier
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- Duplex 2205 Fittings Supplier
- Duplex Steel 2205 Properties
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