Super Duplex Spool exporter in Oman
Super Duplex Spool exporter in Oman plays a crucial role in supplying high-performance piping components designed to withstand extreme conditions in various industrial sectors. These spools, fabricated from super duplex stainless steel, offer exceptional resistance to corrosion, high tensile strength, and durability, making them ideal for demanding environments such as oil and gas, petrochemical, and marine applications.
The material used in these spools is typically super duplex stainless steel, known for its balanced microstructure of austenite and ferrite phases. This composition provides superior mechanical properties and enhanced resistance to chloride stress corrosion cracking and pitting. The spools are precision-engineered to meet stringent industry standards, including ASTM and ASME, ensuring compatibility with existing pipeline systems and operational reliability.
Manufactured with close attention to dimensional accuracy and welding quality, these components serve as integral connectors within pipeline assemblies. Their design accommodates high-pressure and high-temperature conditions, often encountered in offshore platforms and refineries. The versatility of super duplex spools allows them to be used in subsea pipelines, chemical processing units, and desalination plants, where maintaining structural integrity is paramount.
Export readiness is a key aspect of suppliers in Oman, who ensure that all products undergo rigorous quality control and testing procedures prior to shipment. Documentation such as mill test reports, material certificates, and third-party inspection approvals accompany each consignment, facilitating smooth customs clearance and compliance with international trade regulations. Additionally, packaging is optimized to prevent damage during transit, reflecting the exporter’s commitment to delivering reliable and ready-to-install components worldwide.
For industrial buyers seeking robust and corrosion-resistant piping solutions, sourcing super duplex spools from Oman offers a strategic advantage. The region’s established logistics infrastructure and expertise in metallurgical fabrication support timely delivery and customized manufacturing options, meeting the specific needs of complex projects across global markets.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Super Duplex Spool exporter in Oman 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 Oman
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Super Duplex Spool exporter in Oman
- 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 Oman
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 Oman
| 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 strength and corrosion resistance
- ✔ High resistance to pitting and crevice corrosion
- ✔ Excellent weldability and formability
- ✔ Suitable for high-pressure applications
- ✔ Enhanced mechanical properties at elevated temperatures
- ✔ Compliance with international standards and specifications
Technical Overview of Super Duplex Spool
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Super Duplex Stainless Steel | 25% Chromium, 7% Nickel, 4% Molybdenum | Oil and Gas, Marine, Chemical Processing | ASTM A890, ASTM A928 |
| Super Duplex Spool | High Chromium, Nickel, and Molybdenum content for enhanced corrosion resistance | Piping systems in corrosive environments | ASME B16.5, ISO 15156 |
| Super Duplex Fabricated Components | Similar to Super Duplex Stainless Steel with additional alloying elements for improved strength | Structural applications in harsh conditions | API 5L, NACE MR0175 |
Specifications Table
| Material | Super Duplex Stainless Steel |
|---|---|
| Grades | UNS S32750, UNS S32760 |
| Standard | ASTM A790, ASME SA790 |
| Size Range | 1/2" to 24" (DN15 to DN600) |
| Length | Up to 12 meters (40 feet) |
| Form | Spool |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Super Duplex 2507 | 25% Cr, 7% Ni, 4% Mo, 0.3% N | Oil and gas, chemical processing, marine environments |
| Super Duplex 32750 | 25% Cr, 6% Ni, 3.5% Mo, 0.3% N | Desalination plants, offshore structures, pulp and paper industry |
| Super Duplex 32760 | 26% Cr, 8% Ni, 3.5% Mo, 0.4% N | High-pressure applications, petrochemical equipment |
| Super Duplex 2205 | 22% Cr, 5.5% Ni, 3.2% Mo | Process piping, storage tanks, heat exchangers |
| Super Duplex 2507 S32750 | 26% Cr, 7% Ni, 4% Mo, 0.2% N | High chloride environments, subsea applications |
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 | 159 |
| 140 | 168 |
Chemical Properties of Super Duplex Stainless Steel
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 24.0 - 26.0 |
| Nickel (Ni) | 6.0 - 8.0 |
| Molybdenum (Mo) | 3.0 - 5.0 |
| Manganese (Mn) | 1.0 - 2.0 |
| Silicon (Si) | 0.5 - 1.0 |
| Carbon (C) | ≤ 0.03 |
| Iron (Fe) | Balance |
| Nitrogen (N) | 0.1 - 0.3 |
Mechanical Properties of Super Duplex Stainless Steel (SDSS)
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 850 |
| Yield Strength (MPa) | 450 - 700 |
| Elongation at Break (%) | 25 |
| Hardness (HB) | 250 - 300 |
| Impact Toughness (J at -40°C) | ≥ 40 |
Super Duplex – Physical & Thermal Properties
Density of Super Duplex
| Property | Metric | Imperial |
|---|---|---|
| Density | 7,800 kg/m³ | 0.28 lb/in³ |
Melting Point of Super Duplex
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1,350 °C | 2,462 °F |
Specific Heat of Super Duplex
| Specific Heat of Super Duplex | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Annealed |
| 450 | 100 - 300 | Cold Worked |
| 400 | 300 - 600 | Heat Treated |
Electrical Resistivity of Super Duplex Steel
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.75 | 20 | As-rolled |
| 0.78 | 100 | |
| 0.80 | 200 | |
| 0.85 | 300 | |
| 0.90 | 400 | |
Equivalent of Super Duplex
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A790 | 1.4410 | S32750 |
| ASTM A928 | 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°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 demanding applications.
Forging
The forging process for super duplex spools is carried out at temperatures between 1100°C and 1200°C. This hot working process improves the mechanical properties of the material by refining the grain structure and enhancing its strength and toughness. Post-forging, the spools are typically air-cooled to room temperature.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020 - 1100 | Water or Oil | To increase hardness and strength by transforming austenite into martensite. |
| Tempering | 600 - 800 | Air | To reduce brittleness and improve toughness after hardening. |
| Stabilization | 1000 - 1050 | Air | To enhance corrosion resistance and stabilize the microstructure. |
The manufacturing and heat treatment processes of super duplex spools are critical to achieving the desired mechanical properties and corrosion resistance, ensuring their reliability in various industrial applications.
Various Types
Super Duplex Stainless Steel Spool
- Dimensions: 1" to 12" nominal pipe size
- Condition: Annealed and pickled
- Applications: Oil and gas, chemical processing, marine environments
Super Duplex Pipe Spool with Flanges
- Dimensions: 2" to 10" nominal pipe size
- Condition: Hot rolled and fabricated
- Applications: Power generation, desalination plants
Super Duplex Piping Spools
- Dimensions: Custom sizes available
- Condition: Welded and tested
- Applications: Pharmaceutical, pulp and paper industries
Super Duplex Fabricated Spools
- Dimensions: 3" to 8" nominal pipe size
- Condition: Cold worked and polished
- Applications: Oil refineries, water treatment plants
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 Spool | 3 mm | $4.50 – $5.00 | ₹370 – ₹410 |
| Super Duplex Spool | 6 mm | $4.75 – $5.25 | ₹390 – ₹420 |
| Super Duplex Spool | 10 mm | $5.00 – $5.50 | ₹410 – ₹440 |
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
- Super Duplex Pipe Supplier in Oman
- Duplex Steel Flange Exporter in Oman
- Stainless Steel Spool Manufacturer in Oman
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- Oman Metal Fabrication Services
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