Duplex Spool exporter Saudi Arabia
Duplex Spool exporter Saudi Arabia plays a crucial role in supplying high-quality duplex stainless steel piping components to various industries across the Middle East. These spools are fabricated from duplex stainless steel, known for its excellent corrosion resistance, high strength, and superior durability. The material typically combines the benefits of austenitic and ferritic stainless steels, making it ideal for demanding environments such as oil and gas, petrochemical, and marine sectors.
Manufactured to precise specifications, these piping spools are designed to meet stringent international standards, including ASTM and ASME codes. The duplex grade commonly used is UNS S31803 or S32205, which offers enhanced resistance to chloride stress corrosion cracking and pitting. This makes the spools particularly suitable for applications involving seawater, chemical processing, and aggressive industrial fluids. The fabrication process involves cutting, welding, and testing to ensure leak-proof and reliable pipeline connections.
Industries requiring robust and long-lasting piping solutions benefit from the mechanical properties of duplex stainless steel spools. Their high tensile strength and excellent weldability contribute to efficient installation and maintenance, reducing downtime and operational costs. These components are often customized to fit complex piping layouts, ensuring seamless integration within existing infrastructure and new construction projects alike.
Export readiness is a key consideration for suppliers in Saudi Arabia, who ensure that all spools undergo rigorous quality control before dispatch. Compliance with export regulations, proper packaging to prevent damage during transit, and timely delivery are prioritized to meet the expectations of international buyers. Additionally, documentation such as mill test certificates, material traceability reports, and third-party inspection certificates are provided to facilitate smooth customs clearance and project approval.
Overall, the availability of duplex stainless steel spools from Saudi Arabia offers industrial buyers a reliable source of corrosion-resistant and high-performance piping components. These exports support critical infrastructure in offshore platforms, refineries, and chemical plants, where material integrity and operational efficiency are paramount. Partnering with reputable exporters ensures access to premium products tailored to the demanding conditions of global industrial applications.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex Spool exporter 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 exporter Saudi Arabia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex Spool exporter 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 exporter 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 exporter 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
- ✔ High resistance to pitting and crevice corrosion
- ✔ Excellent mechanical properties at both room and elevated temperatures
- ✔ Cost-effective solution for various industrial applications
- ✔ Versatile for use in oil and gas, chemical, and marine industries
- ✔ Enhanced strength due to a unique microstructure
- ✔ Customizable sizes and specifications to meet project requirements
Technical Overview of Duplex Spool
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex Stainless Steel Spool | 22% Cr, 5% Ni, 3% Mo, Balance Fe | Oil and Gas Pipelines, Chemical Processing | ASTM A790, ASME SA790 |
| Duplex Stainless Steel Spool | 25% Cr, 7% Ni, 4% Mo, Balance Fe | Marine Applications, Desalination Plants | ISO 15156, NACE MR0175 |
| Duplex Stainless Steel Spool | Lean Duplex: 21% Cr, 2.5% Ni, Balance Fe | Construction, Structural Applications | EN 10216-5, EN 10088-3 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | UNS S31803, UNS S32205 |
| Standard | ASTM A790, ASTM A928 |
| Size Range | 1/2" to 24" |
| Length | Up to 12 meters |
| Form | Spool |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2205 | 22% Cr, 5% Ni, 3% Mo | Oil and gas, chemical processing |
| Duplex 2507 | 25% Cr, 7% Ni, 4% Mo | Seawater applications, desalination plants |
| Duplex 21-6-9 | 21% Cr, 6% Ni, 9% Mo | Pulp and paper, marine environments |
| Super Duplex 2507 | 25% Cr, 7% Ni, 4% Mo, 0.3% N | Oil and gas exploration, high-pressure applications |
| Duplex 329 | 24% Cr, 4% Ni, 3% Mo, 0.2% N | Power generation, chemical reactors |
Available Sizes of Duplex Spool (MM)
| Size (MM) | Size (MM) |
|---|---|
| 100 | 150 |
| 200 | 250 |
| 300 | 350 |
| 400 | 450 |
| 500 | 600 |
| 700 | 800 |
| 900 | 1000 |
| 1100 | 1200 |
| 1300 | 1400 |
| 1500 | 1600 |
Chemical Properties of Duplex Stainless Steel
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 18.0 - 28.0 |
| Nickel (Ni) | 4.5 - 8.0 |
| Molybdenum (Mo) | 3.0 - 5.0 |
| Manganese (Mn) | 1.0 - 2.0 |
| Silicon (Si) | 0.5 - 1.0 |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.01 max |
| Phosphorus (P) | 0.03 max |
Mechanical Properties of Duplex Stainless Steel
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 800 |
| Yield Strength (MPa) | 450 - 600 |
| Elongation (%) | 25 - 40 |
| Hardness (HB) | 250 - 300 |
| Impact Toughness (J at -40°C) | ≥ 40 |
Duplex Spool – Physical & Thermal Properties
Density of Duplex Spool
| Property | Metric | Imperial |
|---|---|---|
| Density | 7,800 kg/m³ | 0.28 lb/in³ |
Melting Point of Duplex Spool
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1,400 - 1,450 °C | 2,552 - 2,642 °F |
Specific Heat of Duplex Spool
| Specific Heat of Duplex Spool | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 460 | 100 - 300 | Moderate Heating |
| 400 | 300 - 600 | High Temperature |
Electrical Resistivity of Duplex Stainless Steel
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.75 | 20 | As-Received |
| 0.80 | 100 | |
| 0.85 | 200 | |
| 0.90 | 300 | |
| 1.00 | 400 | |
Equivalent of Duplex Stainless Steel
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| EN 10088-3 | 1.4462 | S32205 |
| ASTM A240 | 1.4462 | S32205 |
Manufacturing Process & Heat Treatment of Duplex Spool
Annealing
Annealing is a critical heat treatment process used to relieve internal stresses, improve ductility, and refine the grain structure of duplex stainless steel spools. This process typically involves heating the material to a temperature range of 950-1100°C, followed by controlled cooling, which enhances the mechanical properties and prepares the material for further processing.
Forging
Forging is employed to shape the duplex spools through the application of compressive forces. This process enhances the material's strength and toughness by refining the grain structure. The forging temperature for duplex stainless steel usually ranges between 1050-1200°C, ensuring optimal deformation and minimizing the risk of cracking.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020-1100 | Oil or Water | Increase hardness and strength |
| Tempering | 300-600 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 600-700 | Air | Eliminate residual stresses after hardening |
In summary, the manufacturing and heat treatment processes for duplex spools are essential to ensure optimal performance and longevity in various industrial applications. By carefully controlling each stage, we achieve the desired mechanical properties and structural integrity necessary for demanding environments.
Various Types
Duplex Stainless Steel Spool
- Diameter: 2" - 12"
- Condition: New
- Applications: Oil & Gas, Chemical Processing
Super Duplex Stainless Steel Spool
- Diameter: 1" - 10"
- Condition: New
- Applications: Marine, Desalination Plants
Duplex Pipe Spool
- Diameter: 3" - 8"
- Condition: New
- Applications: Water Treatment, Pulp & Paper
Duplex Welded Spool
- Diameter: 4" - 14"
- Condition: New
- Applications: Petrochemical, Pharmaceutical
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 Steel Spools
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex Steel | 3 mm | $3.50 – $4.00 | ₹290 – ₹330 |
| Duplex Steel | 6 mm | $3.80 – $4.30 | ₹310 – ₹350 |
| Duplex Steel | 10 mm | $4.00 – $4.50 | ₹320 – ₹360 |
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 Steel Spools.
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 Steel Pipe Supplier Saudi Arabia
- Duplex Flange Manufacturer Saudi Arabia
- Duplex Fittings Exporter Saudi Arabia
- Duplex Steel Plate Supplier Saudi Arabia
- Duplex Seamless Pipe Exporter Saudi Arabia
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