Duplex Spool exporter in Kuwait
Duplex Spool exporter in Kuwait specializes in supplying high-quality duplex stainless steel spools tailored for demanding industrial applications. These spools are fabricated using duplex stainless steel, a material known for its exceptional strength, corrosion resistance, and durability. The combination of austenitic and ferritic stainless steel phases provides enhanced mechanical properties, making these spools ideal for use in harsh environments where resistance to chloride stress corrosion and pitting is crucial.
The product range typically includes welded pipe spools that are pre-assembled and ready for installation in various industrial systems. These components are manufactured according to stringent international standards such as ASTM A789 or EN 10217, ensuring compliance with global quality benchmarks. The precision fabrication process involves cutting, welding, and testing to deliver spools that meet specific client requirements in terms of dimensions, wall thickness, and pressure ratings.
Duplex stainless steel spools find extensive applications in oil and gas, petrochemical, marine, and chemical processing industries. Their superior resistance to aggressive media and high temperatures makes them suitable for piping systems carrying corrosive fluids, seawater, and other challenging substances. Additionally, their robustness supports long service life and reduced maintenance costs, which are critical factors for industrial operators seeking reliable pipeline solutions.
Export readiness is a key aspect of suppliers based in Kuwait, where strategic location and advanced logistics infrastructure facilitate timely delivery to international markets. Exporters ensure that all shipments comply with export regulations and are accompanied by detailed documentation, including material test certificates, inspection reports, and compliance certificates. Packaging is designed to protect the spools during transit, maintaining product integrity upon arrival at the destination.
For industrial buyers looking for durable and efficient piping components, sourcing duplex stainless steel spools from Kuwait offers a combination of quality, expertise, and export efficiency. The focus on material excellence, precise fabrication, and tailored solutions supports complex industrial projects worldwide, making these spools a preferred choice for maintaining system integrity under demanding operational conditions.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex Spool exporter in Kuwait 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 in Kuwait
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex Spool exporter in Kuwait
- 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 in Kuwait
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 in Kuwait
| 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 corrosion resistance
- ✔ Excellent strength-to-weight ratio
- ✔ Versatile applications in various industries
- ✔ Enhanced weldability and fabrication
- ✔ Superior durability in harsh environments
- ✔ Cost-effective solution for long-term use
Technical Overview of Duplex Spool Exporter in Kuwait
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex Stainless Steel Spool | 22% Cr, 5% Ni, 3% Mo | Oil and gas pipelines, chemical processing | ASTM A790, ASME SA790 |
| Duplex Stainless Steel Spool | 25% Cr, 7% Ni, 4% Mo | Marine applications, pressure vessels | ISO 15156, NACE MR0175 |
| Duplex Stainless Steel Spool | 26% Cr, 8% Ni, 3% Mo | Power generation, water treatment | EN 10216-5, ASTM A928 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | S31803, S32205 |
| Standard | ASTM A790, ASME SA790 |
| Size Range | 1/2" to 24" |
| Length | 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 |
| Duplex 2507 | Fe, 25% Cr, 7% Ni, 4% Mo | Marine applications, desalination plants |
| Super Duplex 2507 | Fe, 25% Cr, 7% Ni, 4% Mo, 0.3% N | Pulp and paper, petrochemical |
| Duplex 2304 | Fe, 23% Cr, 4% Ni | Food processing, wastewater treatment |
| Duplex UNS S31803 | Fe, 22% Cr, 5% Ni, 3% Mo | Structural applications, pressure vessels |
Available Sizes of Duplex Spool (MM)
| Size (MM) | Size (MM) |
|---|---|
| 25 | 50 |
| 32 | 63 |
| 40 | 76 |
| 50 | 90 |
| 63 | 102 |
| 76 | 114 |
| 90 | 140 |
| 102 | 160 |
| 114 | 180 |
| 140 | 200 |
Chemical Properties of Duplex Stainless Steel
| Element | Composition (%) |
|---|---|
| Iron (Fe) | 60.0 - 70.0 |
| Chromium (Cr) | 18.0 - 28.0 |
| Nickel (Ni) | 4.5 - 8.0 |
| Molybdenum (Mo) | 2.5 - 5.0 |
| Manganese (Mn) | 0.5 - 2.0 |
| Silicon (Si) | 0.5 - 1.5 |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.02 max |
Mechanical Properties of Duplex Stainless Steel
| Property | Value |
|---|---|
| Tensile Strength | 620-900 MPa |
| Yield Strength | 450-650 MPa |
| Elongation | 25-40% |
| Hardness (HB) | 200-300 |
| Impact Toughness (Charpy V-notch) | ≥ 40 J at -40°C |
Duplex Stainless Steel – Physical & Thermal Properties
Density of Duplex Stainless Steel
| Property | Metric | Imperial |
|---|---|---|
| Density | 7,800 kg/m³ | 0.282 lb/in³ |
Melting Point of Duplex Stainless Steel
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1,300 - 1,400 °C | 2,372 - 2,552 °F |
Specific Heat of Duplex Stainless Steel
| Specific Heat of Duplex Stainless Steel | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Annealed |
| 460 | 100 - 600 | Annealed |
| 420 | 600 - 1,000 | Annealed |
Electrical Resistivity of Duplex Steel
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.70 | 20 | As-rolled |
| 0.72 | 100 | |
| 0.75 | 200 | |
| 0.78 | 300 | |
| 0.80 | 400 | |
Equivalent of Duplex Stainless Steel
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A790 | 1.4462 | S31803 |
| ASTM A928 | 1.4501 | S32750 |
Manufacturing Process & Heat Treatment of Duplex Spool
Annealing
The annealing process for duplex spools involves heating the material to a temperature range of 1020°C to 1100°C, followed by controlled cooling. This process helps to relieve stresses, improve ductility, and enhance the overall microstructure of the steel, ensuring optimal performance in service.
Forging
Forging of duplex spools is performed at elevated temperatures, typically between 900°C and 1200°C. This process enhances the mechanical properties of the material by refining the grain structure and improving the strength and toughness, which are crucial for high-pressure applications.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1000 - 1100 | Oil | Increase hardness and strength |
| Tempering | 600 - 700 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 300 - 500 | Air | Relieve internal stresses |
The combination of these processes ensures that duplex spools meet stringent specifications and performance requirements for various industrial applications, making them reliable components in demanding environments.
Various Types
Duplex Stainless Steel Spool
- Diameter: 1" to 12"
- Condition: Hot Finished
- Applications: Oil & Gas, Chemical Processing
Duplex Super Duplex Spool
- Diameter: 1" to 10"
- Condition: Cold Drawn
- Applications: Marine, Desalination Plants
Duplex Pipe Spool
- Diameter: 1" to 6"
- Condition: Seamless
- Applications: Power Generation, Water Treatment
Duplex Welded Spool
- Diameter: 2" to 8"
- Condition: Fabricated
- Applications: Construction, HVAC Systems
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 | $3.00 – $3.50 | ₹248 – ₹290 |
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
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- Duplex Steel Plate Supplier in Kuwait
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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