Super Duplex Spool exporter in Kuwait
Super Duplex Spool exporter in Kuwait specializes in supplying high-grade piping components made from super duplex stainless steel, known for its exceptional corrosion resistance and mechanical strength. These spools are fabricated to meet stringent industrial standards, ensuring durability and reliability in demanding environments. The combination of austenitic and ferritic stainless steel microstructures provides superior performance, particularly in harsh offshore and chemical processing applications.
The spools are manufactured using premium super duplex alloys, typically UNS S32750 or S32760, which offer excellent resistance to chloride stress corrosion cracking, pitting, and crevice corrosion. With a high yield strength of approximately 550 MPa and tensile strength reaching up to 850 MPa, these components are ideal for high-pressure and high-temperature operations. Precision welding and dimensional accuracy are maintained throughout production to ensure seamless integration within complex pipeline systems.
Industries such as oil and gas, petrochemical, desalination, and marine engineering extensively utilize these spools for transporting aggressive fluids and gases. Their robust construction supports long service life even under fluctuating thermal and mechanical stresses. Custom fabrication options are available to accommodate various diameters, wall thicknesses, and end connections, enabling tailored solutions for specific project requirements.
Export readiness is a key aspect of suppliers in Kuwait, with thorough quality control, third-party inspections, and comprehensive documentation packages including material test reports (MTRs) and certificates of compliance. Packaging and logistics are optimized to protect the spools during transit, ensuring timely delivery to international clients. This commitment to quality and service makes Kuwait a strategic hub for sourcing super duplex piping components globally.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Super 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 Super Duplex Spool exporter in Kuwait
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Super 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 Super 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 Super 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 Super Duplex Spool
- ✔ Exceptional corrosion resistance in chloride environments
- ✔ High strength and durability for demanding applications
- ✔ Excellent fabrication and welding characteristics
- ✔ Superior resistance to stress corrosion cracking
- ✔ Outstanding thermal conductivity for efficient heat transfer
- ✔ Versatile applications across oil and gas, chemical, and marine industries
Technical Overview of Super Duplex Spool
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Super Duplex Steel S32750 | Fe, Cr (24-26%), Ni (6-8%), Mo (3-5%), N (0.24-0.32%) | Used in high-pressure applications in oil and gas industries | ASTM A790, ASTM A928 |
| Super Duplex Steel S32760 | Fe, Cr (25-27%), Ni (7-9%), Mo (3.5-4.5%), N (0.20-0.30%) | Suitable for seawater and chemical processing environments | ASTM A240, ASME SA240 |
| Super Duplex Spool | Fe, Cr (24-26%), Ni (6-8%), Mo (3.0-5.0%), N (0.2-0.3%) | Ideal for piping systems in harsh conditions | ISO 15156, NACE MR0175 |
Specifications Table
| Material | Super Duplex Stainless Steel |
|---|---|
| Grades | S32750, S32760 |
| Standard | ASTM A790, ASME SA790 |
| Size Range | 1/2" to 24" |
| Length | Up to 12 meters |
| Form | Spool |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Super Duplex 2507 | 23% Cr, 4% Ni, 6% Mo, 0.2% N | Oil and gas, chemical processing, desalination plants |
| Super Duplex 32750 | 25% Cr, 7% Ni, 4% Mo, 0.2% N | Marine applications, pulp and paper, petrochemical industries |
| Super Duplex 32760 | 26% Cr, 8% Ni, 3.5% Mo, 0.2% N | Heat exchangers, offshore oil, and gas platforms |
| Super Duplex 2205 | 22% Cr, 5.6% Ni, 3.2% Mo | Structural components, storage tanks, pressure vessels |
| Super Duplex 2507 Pipe | 25% Cr, 7% Ni, 4% Mo, 0.2% N | High-pressure applications, sour gas environments |
Available Sizes of Super Duplex Spool (MM)
| Size (MM) | Size (MM) |
|---|---|
| 25 | 50 |
| 32 | 63 |
| 40 | 76 |
| 50 | 89 |
| 63 | 102 |
| 76 | 114 |
| 89 | 127 |
| 102 | 140 |
| 114 | 160 |
| 140 | 168 |
Chemical Properties of Super Duplex Stainless Steel (UNS S32750)
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 24.0 - 26.0 |
| Nickel (Ni) | 6.0 - 8.0 |
| Molybdenum (Mo) | 3.0 - 5.0 |
| Tungsten (W) | 1.0 - 2.0 |
| Iron (Fe) | Balance |
| Manganese (Mn) | ≤ 1.0 |
| Carbon (C) | ≤ 0.03 |
| Silicon (Si) | ≤ 1.0 |
Mechanical Properties of Super Duplex Stainless Steel
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 850 |
| Yield Strength (MPa) | 450 - 600 |
| Elongation (%) | 25 |
| Hardness (HB) | 250 - 350 |
| Impact Toughness (J at -40°C) | ≥ 40 |
Super Duplex Spool – Physical & Thermal Properties
Density of Super Duplex Spool
| Property | Metric | Imperial |
|---|---|---|
| Density | 7,800 kg/m³ | 0.28 lb/in³ |
Melting Point of Super Duplex Spool
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1,300 °C | 2,372 °F |
Specific Heat of Super Duplex Spool
| Specific Heat of Super Duplex Spool | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Solid |
| 700 | 100 - 500 | Solid |
| 900 | Above 500 | Solid |
Electrical Resistivity of Super Duplex Stainless Steel
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 20 | As-Welded |
| 0.74 | 100 | |
| 0.76 | 200 | |
| 0.78 | 300 | |
| 0.80 | 400 | |
Equivalent of Super Duplex Spool
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A790 | 1.4410 | S32750 |
| ASTM A923 | 1.4501 | S32760 |
Manufacturing Process & Heat Treatment of Super Duplex Spool
Annealing
Annealing of super duplex spools involves heating the material to a temperature range of 1020-1100°C followed by a controlled cooling process. This treatment helps in reducing residual stresses and improving ductility while maintaining the desired mechanical properties.
Forging
The forging process for super duplex spools is conducted at temperatures between 1100°C to 1200°C. This process enhances the material's strength and toughness by refining the grain structure, ensuring that the spools can withstand demanding service conditions.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1050-1150 | Oil | To increase hardness and strength of the material. |
| Tempering | 600-800 | Air | To reduce brittleness and enhance toughness. |
| Stress Relieving | 300-500 | Air | To alleviate residual stresses after machining. |
The combination of these manufacturing and heat treatment processes ensures that super duplex spools meet the stringent requirements for high strength, corrosion resistance, and durability in various industrial applications.
Various Types
Super Duplex Stainless Steel Spool
- Diameter: 2 inches - 12 inches
- Condition: Hot Finished / Cold Finished
- Applications: Oil and Gas, Chemical Processing
Super Duplex Welded Spool
- Diameter: 3 inches - 16 inches
- Condition: Pickled and Passivated
- Applications: Marine, Desalination Plants
Super Duplex Seamless Spool
- Diameter: 1 inch - 10 inches
- Condition: Annealed
- Applications: Power Generation, Pulp and Paper
Super Duplex Custom Spool
- Diameter: Custom Sizes Available
- Condition: Customized as per Client Specifications
- Applications: Specialized Industrial 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 Super Duplex Spool
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Super Duplex | 3 mm | $5.50 – $6.00 | ₹450 – ₹490 |
| Super Duplex | 6 mm | $5.80 – $6.30 | ₹470 – ₹510 |
| Super Duplex | 10 mm | $6.00 – $6.50 | ₹490 – ₹530 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for Super 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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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