Duplex S32205 Spool
Duplex S32205 Spool is a high-performance industrial component crafted from duplex stainless steel grade S32205, known for its exceptional strength and corrosion resistance. This material combines the benefits of austenitic and ferritic stainless steels, offering superior durability in demanding environments. Typically used in piping systems, these spools serve as critical connectors or intermediate sections, facilitating fluid transport in sectors requiring robust and reliable infrastructure.
Manufactured to precise engineering standards, these spools exhibit excellent resistance to chloride stress corrosion cracking, making them ideal for use in marine, chemical processing, and offshore oil and gas applications. The duplex stainless steel composition ensures a high yield strength, approximately twice that of standard austenitic grades, allowing for reduced wall thickness and lighter piping systems without compromising structural integrity.
In terms of specifications, the spools are available in various dimensions and pressure ratings to accommodate diverse industrial requirements. They are typically supplied with seamless or welded construction, subjected to rigorous quality control including non-destructive testing and dimensional inspections to meet international standards such as ASTM A182 and ASME B31.3. The surface finish and heat treatment processes further enhance their mechanical properties and corrosion resistance.
Due to their robust material characteristics and compliance with global standards, these spools are highly export-ready, suitable for integration into complex pipeline networks worldwide. Industries ranging from petrochemical plants to desalination facilities benefit from their reliable performance under extreme temperature and pressure conditions. Export packaging and documentation are tailored to facilitate smooth customs clearance and ensure product integrity during transit.
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: 550 MT / Month
- Export Experience: 10+ Years
- Countries Served: 50+
- Annual Export Volume: 5,530 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
- ✔ High strength and excellent corrosion resistance
- ✔ Superior resistance to stress corrosion cracking
- ✔ Good weldability and formability
- ✔ Suitable for a wide range of temperatures
- ✔ High fatigue strength for demanding applications
- ✔ Cost-effective solution for various industrial uses
Technical Overview of Duplex S32205 Spool
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex S32205 Spool | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Used in high-pressure and high-temperature applications in the oil and gas industry | ASTM A789/A790, ASME SA789/SA790 |
| Duplex S32205 Spool | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Suitable for corrosive environments and seawater applications | EN 10216-5, ISO 15156 |
| Duplex S32205 Spool | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Ideal for heat exchangers, pressure vessels, and piping systems | API 5L, NACE MR0175 |
Specifications Table
| Material | Duplex S32205 |
|---|---|
| Grades | S32205 |
| Standard | ASTM A790 / ASME SA790 |
| Size Range | 1/2" to 24" nominal pipe size |
| Length | Custom lengths available upon request |
| Form | Spool |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex S32205 | Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N, 0.03% C | Oil and gas, Chemical processing, Marine applications |
| Duplex S31803 | Fe, 22% Cr, 5% Ni, 3% Mo, 0.15% N, 0.03% C | Pulp and paper, Power generation, Water treatment |
| Duplex S32750 | Fe, 25% Cr, 7% Ni, 4% Mo, 0.3% N, 0.02% C | Oil and gas, Desalination plants, Chemical processing |
| Duplex S32003 | Fe, 21% Cr, 3% Ni, 3% Mo, 0.17% N, 0.02% C | Storage tanks, Offshore platforms, Heat exchangers |
| Duplex S32101 | Fe, 22% Cr, 5% Ni, 0.1% Mo, 0.2% N, 0.02% C | Food processing, Pharmaceutical industries, Marine applications |
Available Sizes of Duplex S32205 Spool (MM)
| Size (MM) | Size (MM) |
|---|---|
| 20 | 25 |
| 30 | 40 |
| 50 | 60 |
| 70 | 80 |
| 90 | 100 |
| 110 | 120 |
| 130 | 140 |
| 150 | 160 |
| 170 | 180 |
| 190 | 200 |
Chemical Properties of Duplex S32205 Spool
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 3.5 |
| Titanium (Ti) | ≤ 0.1 |
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Iron (Fe) | Balance |
Mechanical Properties of Duplex S32205 Spool
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 |
| Yield Strength (MPa) | 450 |
| Elongation (%) | 25 |
| Hardness (HB) | 290 |
| Impact Toughness (J) | 50 |
Duplex S32205 – Physical & Thermal Properties
Density of Duplex S32205
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm³ | 0.281 lb/in³ |
Melting Point of Duplex S32205
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1475 °C | 2600 - 2700 °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 | High Temperature |
| 700 | 400 - 800 | Very High Temperature |
Electrical Resistivity of Duplex S32205 Spool
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 20 | As-rolled |
| 0.75 | 100 | |
| 0.78 | 200 | |
| 0.80 | 300 | |
| 0.82 | 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 followed by a controlled cooling process. This treatment helps to relieve internal stresses, improve ductility, and refine the grain structure, ensuring optimal mechanical properties for subsequent processing.
Forging
Forging of Duplex S32205 is carried out at elevated temperatures ranging from 1150 to 1250°C. During this process, the material is shaped using compressive forces, which enhances its mechanical properties through work hardening and improves the homogeneity of the microstructure. Proper temperature control is crucial to avoid overheating and degradation of the duplex microstructure.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1000-1100 | Water or Oil | To increase hardness and strength by transforming austenite into martensite. |
| Tempering | 600-800 | Air | To reduce brittleness and improve toughness while maintaining strength. |
| Stress Relieving | 500-600 | Air | To alleviate residual stresses induced during manufacturing processes. |
The combination of these processes results in a well-balanced microstructure that provides excellent mechanical properties and corrosion resistance, making Duplex S32205 spools suitable for demanding applications in various industries.
Various Types
Duplex S32205 Spool - Standard
- Diameter: 10 inches, Length: 20 feet
- Condition: Hot Finished
- Applications: Oil & Gas, Marine, Chemical Processing
Duplex S32205 Spool - Custom Length
- Diameter: 8 inches, Length: Customizable
- Condition: Cold Drawn
- Applications: Pressure Vessels, Heat Exchangers
Duplex S32205 Spool - High Pressure
- Diameter: 6 inches, Length: 15 feet
- Condition: Annealed
- Applications: High Pressure Applications, Pipelines
Duplex S32205 Spool - Large Diameter
- Diameter: 12 inches, Length: 25 feet
- Condition: Pickled & Passivated
- Applications: Structural Applications, Marine Industry
Applications & Uses
- Oil & Gas Industry
- Petrochemical Plants
- Water Treatment Plants
- Pharmaceutical Industry
- Food & Beverage Industry
- Automobile Industry
Industries We Serve
Our alloys are widely used across:
- Steel Plants
- Foundries & Casting Units
- Automobile Industry
- Shipbuilding & Marine
- Oil & Gas
- Engineering Components
- Heavy Industrial Machinery
Latest Price List of Duplex S32205 Spool
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex S32205 Spool | 3 mm | $3.50 – $4.00 | ₹290 – ₹320 |
| Duplex S32205 Spool | 6 mm | $3.80 – $4.30 | ₹310 – ₹340 |
| Duplex S32205 Spool | 10 mm | $4.00 – $4.50 | ₹320 – ₹350 |
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
Cities We Suppllied In India
We exported to 50+ countries worldwide.
Our Certifications
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.
GST Certificate
ISO 9001:2015
ISO 1002:2018
Udyam MSME Registration
Quality Inspection & Testing
At Ragnar Metals and Tubes, all products are checked through strict quality inspection and testing to meet international standards such as ASTM, ASME, EN, and DIN. This ensures consistent quality, accurate dimensions, and full material traceability.
- ✔ Chemical composition testing
- ✔ Mechanical tests such as tensile and hardness
- ✔ Dimensional inspection as per standard tolerances
- ✔ PMI, ultrasonic, and visual inspection (if required)
- ✔ EN 10204 3.1 / 3.2 test certificates
- ✔ Third-party inspection by SGS, TUV, BV, or Lloyd’s
Our quality systems support reliable supply for oil & gas, petrochemical, power, marine, and heavy engineering projects.
Our Products Types
People Also Search For
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- Duplex S32205 Fittings
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Frequently Asked Questions
About Ragnar Metals and Tubes
- ✔ Decades of experience in stainless steel, carbon steel, and alloy steel manufacturing
- ✔ ISO 9001:2015 certified company ensuring strict quality control standards
- ✔ Specialized in cold drawn pipes and tubes processing
- ✔ State-of-the-art manufacturing facilities with modern machinery
- ✔ Precision-engineered products with consistent quality and reliability
- ✔ Customized steel solutions as per client drawings and specifications
- ✔ Compliance with international industry standards
- ✔ Trusted supplier for critical industrial applications worldwide