Duplex Spool Saudi Arabia
Duplex Spool Saudi Arabia is a critical component widely used in the oil and gas, petrochemical, and water treatment industries. Manufactured from duplex stainless steel, these spools combine excellent corrosion resistance with high strength, making them ideal for demanding environments. The duplex alloy typically features a balanced microstructure of austenite and ferrite, providing enhanced durability and resistance to stress corrosion cracking compared to standard stainless steel grades.
These spools are custom-fabricated pipe sections designed to connect various pipeline components, ensuring seamless flow and system integrity. Precision welding and stringent quality control measures are employed during fabrication to meet international standards such as ASTM, ASME, and ISO. The robust material properties of duplex stainless steel, including superior pitting resistance and high tensile strength, enable these spools to perform reliably under high pressure and temperature conditions.
Commonly utilized in offshore platforms, refineries, and desalination plants, these spools serve as vital connectors in pipelines carrying corrosive fluids and gases. Their resistance to chloride-induced corrosion makes them especially suitable for marine and coastal applications. Additionally, the duplex material's mechanical properties allow for reduced wall thickness, contributing to lighter, cost-effective piping systems without compromising safety or performance.
Export-ready spools from Saudi Arabia are manufactured in facilities equipped with advanced fabrication technology and adhere to rigorous testing protocols, including radiographic inspection and hydrostatic testing. This ensures that the products comply with global shipping standards and client specifications. With strategic access to major ports, suppliers in the region efficiently deliver these components to international markets, supporting large-scale industrial projects worldwide.
Industrial buyers seeking reliable duplex stainless steel piping solutions can benefit from the combination of material excellence, precise fabrication, and export expertise found in Saudi Arabia. These spools not only meet the demanding technical requirements of heavy industries but also offer long-term operational efficiency and reduced maintenance costs, making them a preferred choice for critical pipeline infrastructure.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex Spool Saudi Arabia 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 Spool Saudi Arabia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex Spool Saudi Arabia
- 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 Spool Saudi Arabia
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 Spool Saudi Arabia
| 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 Spool Saudi Arabia
- ✔ High corrosion resistance in harsh environments
- ✔ Excellent mechanical strength and durability
- ✔ Cost-effective solution for various applications
- ✔ Versatile for both high and low-temperature applications
- ✔ Easy to weld and fabricate for customized solutions
- ✔ Complies with international standards and certifications
Technical Overview of Duplex Spool Saudi Arabia
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex Stainless Steel | 22% Chromium, 5% Nickel, 3% Molybdenum | Oil and gas pipelines, chemical processing | ASTM A790, ASME SA790 |
| Duplex Spool | 25% Chromium, 7% Nickel, 4% Molybdenum | High-pressure applications, seawater environments | API 5L, ISO 15156 |
| Duplex Fittings | 22% Chromium, 5% Nickel, 3% Molybdenum | Welded connections, structural applications | ASTM A815, ASME SA815 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | UNS S31803 / UNS S32205 |
| Standard | ASTM A790 / ASTM A928 |
| Size Range | 1" to 12" (DN25 to DN300) |
| Length | Custom lengths up to 12 meters |
| Form | Spool |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2205 | Fe, 22% Cr, 5% Ni, 3% Mo | Oil and gas, chemical processing, marine applications |
| Duplex 2507 | Fe, 25% Cr, 7% Ni, 4% Mo | Highly corrosive environments, pressure vessels, heat exchangers |
| Super Duplex 32760 | Fe, 25% Cr, 7% Ni, 4% Mo, 0.3% N | Desalination plants, offshore oil and gas, pulp and paper |
| Duplex 2011 | Fe, 21% Cr, 6% Ni, 2.5% Mo | Food processing, pharmaceutical, and biotechnology industries |
| Duplex 2304 | Fe, 23% Cr, 4% Ni | Waste treatment, piping systems, storage tanks |
Available Sizes of Duplex Spool (MM)
| Size (MM) | Size (MM) |
|---|---|
| 50 | 60 |
| 70 | 80 |
| 90 | 100 |
| 110 | 120 |
| 130 | 140 |
| 150 | 160 |
| 170 | 180 |
| 190 | 200 |
| 250 | 300 |
| 350 | 400 |
Chemical Properties of Duplex Spool Saudi Arabia
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 19.0 - 28.0 |
| Nickel (Ni) | 5.0 - 10.0 |
| Molybdenum (Mo) | 3.0 - 5.0 |
| Iron (Fe) | Balance |
| Manganese (Mn) | 0.5 - 2.0 |
| Silicon (Si) | 0.5 - 1.0 |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.02 max |
Mechanical Properties of Duplex Spool Saudi Arabia
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 |
| Yield Strength (MPa) | 450 |
| Elongation (%) | 25 |
| Hardness (HB) | 250 |
| Impact Toughness (J) | 50 |
Duplex Spool Saudi Arabia – Physical & Thermal Properties
Density of Duplex Spool Saudi Arabia
| Property | Metric | Imperial |
|---|---|---|
| Density | 7,800 kg/m³ | 0.28 lb/in³ |
Melting Point of Duplex Spool Saudi Arabia
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1,450 °C | 2,642 °F |
Specific Heat of Duplex Spool Saudi Arabia
| Specific Heat of Duplex Spool Saudi Arabia | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Liquid |
| 400 | 100 - 300 | Gas |
| 350 | 300 - 600 | Solid |
Electrical Resistivity of Duplex Spool Saudi Arabia
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 75 | 20 | As-Welded |
| 80 | 100 | |
| 85 | 200 | |
| 90 | 300 | |
| 95 | 400 | |
Equivalent of Duplex Spool Saudi Arabia
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A790 | 1.4462 | S32205 |
| EN 10088-3 | X2CrNiMoN22-5-3 | S31803 |
Manufacturing Process & Heat Treatment of Duplex Spool Saudi Arabia
Annealing
The annealing process for duplex spools involves heating the material to a temperature of approximately 1020°C to 1100°C, followed by controlled cooling. This process helps to relieve internal stresses, enhance ductility, and improve the overall microstructure of the steel, ensuring optimal performance in service.
Forging
Forging of duplex spools is performed at elevated temperatures ranging from 1100°C to 1250°C. This process involves shaping the material under high pressure, which refines the grain structure, increases strength, and enhances the mechanical properties of the final product. Post-forging, the spools are allowed to cool gradually to stabilize the structure.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1000 - 1100 | Oil | To increase hardness and strength |
| Tempering | 600 - 800 | Air | To reduce brittleness and improve toughness |
| Stress Relieving | 300 - 600 | Air | To relieve internal stresses post-hardening |
The combination of these manufacturing processes and heat treatments ensures that the duplex spools meet the stringent requirements for strength, durability, and resistance to corrosion, making them suitable for various industrial applications.
Various Types
Duplex Stainless Steel Spool - Type 1
- Diameter: 50mm, Length: 300mm
- Condition: Hot Rolled
- Applications: Oil & Gas, Chemical Processing
Duplex Stainless Steel Spool - Type 2
- Diameter: 80mm, Length: 400mm
- Condition: Cold Drawn
- Applications: Marine, Power Generation
Duplex Stainless Steel Spool - Type 3
- Diameter: 100mm, Length: 500mm
- Condition: Annealed
- Applications: Pulp & Paper, Water Treatment
Duplex Stainless Steel Spool - Type 4
- Diameter: 120mm, Length: 600mm
- Condition: Pickled and Passivated
- Applications: Pharmaceutical, Food Processing
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 Spool
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex Spool | 3 mm | $2.50 – $3.00 | ₹207 – ₹248 |
| Duplex Spool | 6 mm | $2.70 – $3.20 | ₹224 – ₹266 |
| Duplex Spool | 10 mm | $2.90 – $3.50 | ₹241 – ₹289 |
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 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 Stainless Steel Suppliers in Saudi Arabia
- Duplex Pipe Fittings Saudi Arabia
- Duplex Steel Grades and Specifications
- Duplex Spool Fabrication Services
- Duplex Steel Applications in Oil and Gas
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