Duplex S32205 Spool
Duplex S32205 Spool is a critical component used in piping systems where high strength and corrosion resistance are essential. Manufactured from duplex stainless steel grade S32205, this spool combines austenitic and ferritic properties, offering superior mechanical performance and excellent resistance to stress corrosion cracking. Its balanced microstructure ensures durability and longevity, making it ideal for demanding industrial environments.
Typically fabricated as a prefabricated pipe section, the spool serves as a connector or intermediary within complex pipeline assemblies. It is precision-engineered to meet stringent dimensional tolerances and can be customized in various lengths and diameters to fit specific project requirements. The duplex stainless steel composition provides enhanced resistance to chloride-induced corrosion, making it suitable for handling aggressive fluids in offshore, chemical processing, and petrochemical industries.
Specifications for these spools often include compliance with international standards such as ASTM A790 and ASME B16.9, ensuring quality and compatibility across global operations. The material's high tensile strength, combined with excellent weldability, facilitates seamless integration into existing pipeline networks while maintaining structural integrity under high pressure and temperature conditions.
In terms of applications, these spools are widely utilized in oil and gas platforms, desalination plants, and marine engineering projects. The duplex stainless steel’s low thermal expansion and high fatigue resistance enable reliable performance in fluctuating environmental conditions. Their robustness against pitting and crevice corrosion also makes them a preferred choice for seawater handling and treatment systems.
Export readiness is a key consideration for suppliers of these spools. Manufacturers ensure that the products undergo rigorous testing, including non-destructive examination and chemical analysis, to meet international shipping and quality certification requirements. Proper packaging and documentation facilitate smooth customs clearance and on-time delivery to industrial buyers worldwide, supporting global supply chains in critical infrastructure projects.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex S32205 Spool 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 S32205 Spool
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex S32205 Spool
- 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 S32205 Spool
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 S32205 Spool
| 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 S32205 Spool
- ✔ Exceptional corrosion resistance in chloride environments
- ✔ High strength and durability compared to conventional stainless steels
- ✔ Excellent weldability, suitable for various fabrication methods
- ✔ Good impact toughness at low temperatures
- ✔ Resistance to stress corrosion cracking and pitting
- ✔ Versatile applications in oil and gas, chemical processing, and marine industries
Technical Overview of Duplex S32205 Spool
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex S32205 Spool | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Oil and gas piping systems, chemical processing, marine applications | ASTM A790, ASTM A479, ASME SA790 |
| Duplex S32205 Spool | 22% Cr, 5% Ni, 3% Mo, 0.17% N | High strength and corrosion resistance applications | API 5L, ISO 15156 |
| Duplex S32205 Spool | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Structural components in harsh environments | EN 10088-3, NACE MR0175 |
Specifications Table
| Material | Duplex Stainless Steel S32205 |
|---|---|
| Grades | UNS S32205, ASTM A789, ASTM A790 |
| Standard | ASTM, ASME, ISO |
| Size Range | 1" to 12" (25.4 mm to 304.8 mm) |
| Length | Custom lengths available up to 20 ft (6 m) |
| Form | Spool |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex S32205 | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Oil and gas, chemical processing, marine applications |
| Duplex S31803 | 21% Cr, 5.5% Ni, 3.2% Mo, 0.14% N | Pulp and paper, petrochemical, wastewater treatment |
| Super Duplex S32750 | 25% Cr, 7% Ni, 4% Mo, 0.24% N | Sea water applications, heat exchangers, chemical tankers |
| Super Duplex S32760 | 25% Cr, 7% Ni, 4% Mo, 0.20% N | Oil and gas, desalination plants, high chloride environments |
| Duplex S32304 | 23% Cr, 4% Ni, 1.5% Mo, 0.20% N | Food processing, pulp and paper, marine environments |
Available Sizes of Duplex S32205 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 | 200 |
Chemical Properties of Duplex S32205 Spool
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.03 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.02 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 3.5 |
Mechanical Properties of Duplex S32205 Spool
| Property | Value |
|---|---|
| Tensile Strength | 620 MPa (90 ksi) |
| Yield Strength | 450 MPa (65 ksi) |
| Elongation | 25% |
| Hardness (Brinell) | 250 HB |
| Impact Toughness (Charpy V-notch) | 50 J at -40°C |
Duplex S32205 – Physical & Thermal Properties
Density of Duplex S32205
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm³ | 0.28 lb/in³ |
Melting Point of Duplex S32205
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1450 °C | 2600 - 2642 °F |
Specific Heat of Duplex S32205
| Specific Heat of Duplex S32205 | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 600 | 100 - 400 | Annealed |
| 700 | 400 - 800 | High Temperature |
Electrical Resistivity of Duplex S32205 Spool
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.70 | 20 | As fabricated |
| 0.75 | 100 | |
| 0.80 | 200 | |
| 0.85 | 300 | |
| 0.90 | 400 | |
Equivalent of Duplex S32205 Spool
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A240 | 1.4462 | S32205 |
| EN 10088-2 | 1.4462 | S32205 |
Manufacturing Process & Heat Treatment of Duplex S32205 Spool
Annealing
The annealing process for Duplex S32205 involves heating the material to a temperature of approximately 1020-1100°C (1868-2012°F) and holding it at this temperature for a sufficient duration to allow for homogenization and reduction of residual stresses. This is followed by rapid cooling, typically in air or water, to achieve a desirable microstructure that promotes improved ductility and toughness.
Forging
Forging of Duplex S32205 is performed at elevated temperatures ranging from 950°C to 1200°C (1742°F to 2192°F). This hot working process enhances the mechanical properties of the material by refining the grain structure, improving strength, and ensuring uniformity in the final product. The forged spools undergo controlled cooling to retain their desired characteristics.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020-1100 | Water | To achieve a martensitic structure for enhanced hardness |
| Tempering | 600-800 | Air | To relieve stresses and improve toughness |
| Stress Relieving | 300-500 | Air | To reduce residual stresses from machining or welding |
The combination of these heat treatment processes ensures that Duplex S32205 spools exhibit optimal mechanical properties suitable for demanding applications, balancing strength, toughness, and corrosion resistance.
Various Types
Duplex S32205 Spool - Type A
- Diameter: 50 mm, Length: 1000 mm
- Condition: Hot Rolled
- Applications: Oil and Gas, Marine Engineering
Duplex S32205 Spool - Type B
- Diameter: 75 mm, Length: 1500 mm
- Condition: Cold Drawn
- Applications: Chemical Processing, Heat Exchangers
Duplex S32205 Spool - Type C
- Diameter: 100 mm, Length: 2000 mm
- Condition: Annealed
- Applications: Pulp and Paper, Food Processing
Duplex S32205 Spool - Type D
- Diameter: 150 mm, Length: 3000 mm
- Condition: Pickled and Passivated
- Applications: Shipbuilding, Structural Applications
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 S32205 Spool
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex S32205 | 3 mm | $4.50 – $5.00 | ₹370 – ₹410 |
| Duplex S32205 | 6 mm | $4.70 – $5.20 | ₹385 – ₹425 |
| Duplex S32205 | 10 mm | $4.90 – $5.40 | ₹400 – ₹440 |
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 S32205 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 S31803 Spool
- Duplex Stainless Steel Pipe
- Duplex S32205 Fittings
- Duplex Steel Plate
- Duplex S32205 Bar
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