Duplex Spool exporter in Canada
Duplex Spool exporter in Canada plays a crucial role in supplying high-quality duplex stainless steel piping solutions to various industrial sectors. These spools are fabricated from duplex stainless steel, known for its excellent corrosion resistance, high strength, and superior durability. Manufactured according to stringent industry standards, these components are essential for ensuring reliable fluid transport in demanding environments.
Constructed using a combination of austenitic and ferritic stainless steel phases, duplex spools offer enhanced mechanical properties and resistance to stress corrosion cracking. The product range typically includes welded pipe sections with flanged ends, designed for easy installation in complex piping systems. Their specifications often comply with ASTM A790 or equivalent standards, ensuring optimal performance in chemical processing, oil and gas, and marine applications.
These piping spools are engineered to withstand harsh operating conditions, including high pressure and temperature variations. Their dual-phase microstructure provides excellent resistance to chloride-induced corrosion, making them ideal for seawater and aggressive chemical environments. The versatility of these spools allows them to be used in refineries, desalination plants, and offshore platforms, where reliability and longevity are paramount.
Export readiness of these duplex spools is ensured through rigorous quality control measures, including non-destructive testing, dimensional inspections, and certification compliance. Canadian exporters maintain strict adherence to international shipping regulations and packaging standards to safeguard the products during transit. This guarantees that industrial buyers worldwide receive spools that meet their exacting technical requirements and project timelines.
By sourcing from a reputable Canadian supplier, industrial buyers benefit from prompt delivery, technical support, and customized fabrication options. Whether for new installations or maintenance projects, these duplex stainless steel spools provide a cost-effective and durable solution for critical piping infrastructure across various heavy industries.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex Spool exporter in Canada 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 Canada
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex Spool exporter in Canada
- 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 Canada
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 Canada
| 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
- ✔ Excellent corrosion resistance, particularly in chloride environments
- ✔ High strength-to-weight ratio, enhancing structural integrity
- ✔ Superior weldability, ensuring ease of installation and fabrication
- ✔ Enhanced durability and longevity, reducing maintenance costs
- ✔ Good thermal and electrical conductivity for versatile applications
- ✔ Compliance with international standards for quality and safety
Technical Overview of Duplex Spool
| 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, wastewater treatment | EN 10216-5, ISO 15156 |
| Duplex Stainless Steel Spool | Ferritic-Austenitic structure | High strength and corrosion resistance | API 5L, NACE MR0175 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | S31803, S32205, S32750 |
| Standard | ASTM A790, ASME SA790 |
| Size Range | 1/2" to 24" NPS |
| Length | Up to 40 feet |
| Form | Spools |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| UNS S31803 | 22% Cr, 5% Ni, 3% Mo | Oil and gas, chemical processing, marine applications |
| UNS S32205 | 22% Cr, 5.7% Ni, 3.2% Mo | Structural components in seawater environments |
| UNS S32750 | 25% Cr, 7% Ni, 4% Mo | Pulp and paper industry, petrochemical, and power generation |
| UNS S32760 | 25% Cr, 7% Ni, 3.5% Mo | High-pressure applications, chemical processing |
| UNS S31803 LDX | 22% Cr, 5% Ni, 3% Mo, low carbon version | Food processing, pharmaceutical, and wastewater treatment |
Available Sizes of Duplex Spool (MM)
| Size (MM) | Size (MM) |
|---|---|
| 15 | 20 |
| 25 | 32 |
| 40 | 50 |
| 65 | 80 |
| 100 | 125 |
| 150 | 200 |
| 250 | 300 |
| 350 | 400 |
| 450 | 500 |
| 600 | 800 |
Chemical Properties of Duplex Stainless Steel
| Element | Composition (%) |
|---|---|
| Iron (Fe) | 65.0 - 70.0 |
| Chromium (Cr) | 18.0 - 28.0 |
| Nickel (Ni) | 4.5 - 8.0 |
| Molybdenum (Mo) | 3.0 - 5.0 |
| Manganese (Mn) | 0.5 - 2.0 |
| Silicon (Si) | 0.5 - 1.0 |
| Carbon (C) | 0.03 max |
| Phosphorus (P) | 0.03 max |
Mechanical Properties of Duplex Stainless Steel
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 750 |
| Yield Strength (MPa) | 450 - 550 |
| Elongation (% in 50 mm) | 25 - 40 |
| Hardness (HB) | 250 - 300 |
| Impact Toughness (J) | ≥ 40 @ -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 | Room Temperature |
| 600 | 100 - 500 | Elevated Temperature |
| 700 | 500 - 1,000 | High Temperature |
Electrical Resistivity of Duplex Stainless Steel
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 20 | As-Received Condition |
| 0.74 | 100 | |
| 0.76 | 200 | |
| 0.78 | 300 | |
| 0.80 | 400 | |
Equivalent of Duplex Stainless Steel
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| AISI 2205 | 1.4462 | S32205 |
| ASTM A240 | 1.4462 | S32205 |
Manufacturing Process & Heat Treatment of Duplex Spool
Annealing
Annealing is a heat treatment process that involves heating the duplex steel to a temperature range of 1020°C to 1100°C, followed by controlled cooling. This process helps to relieve internal stresses, improve ductility, and refine the microstructure, resulting in enhanced mechanical properties and improved workability for subsequent manufacturing processes.
Forging
The forging of duplex spools involves shaping the steel using compressive forces, typically at elevated temperatures between 1100°C and 1200°C. This process enhances the mechanical properties of the material by refining the grain structure, increasing strength and toughness, and ensuring uniformity in the material properties across the spool.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1000 - 1100 | Oil | To increase hardness and strength by transforming the microstructure to martensite. |
| Tempering | 600 - 800 | Air | To relieve stresses and reduce brittleness while maintaining adequate hardness. |
| Stress Relieving | 400 - 600 | Air | To eliminate residual stresses and improve dimensional stability. |
The heat treatment processes employed in the manufacturing of duplex spools are crucial for achieving the desired balance of strength, toughness, and corrosion resistance, making them suitable for various industrial applications.
Various Types
Duplex Stainless Steel Spool - ASTM A240
- Diameter: 2 inches to 12 inches
- Condition: Hot Rolled, Annealed
- Applications: Chemical Processing, Oil & Gas, Marine
Duplex Stainless Steel Spool - UNS S31803
- Diameter: 3 inches to 10 inches
- Condition: Cold Drawn, Pickled
- Applications: Power Generation, Water Treatment
Duplex Stainless Steel Spool - ASTM A789
- Diameter: 1 inch to 8 inches
- Condition: Seamless, Annealed
- Applications: Heat Exchangers, Piping Systems
Duplex Stainless Steel Spool - ASTM A240 Type 2205
- Diameter: 4 inches to 16 inches
- Condition: Hot Finished, Annealed
- Applications: High Strength Applications, Structural Components
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 Spools
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex 2205 | 3 mm | $3.50 – $4.00 | ₹290 – ₹320 |
| Duplex 2205 | 6 mm | $3.30 – $3.80 | ₹270 – ₹310 |
| Duplex 2205 | 10 mm | $3.20 – $3.70 | ₹260 – ₹300 |
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 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 Suppliers in Canada
- Duplex Stainless Steel Manufacturers in Canada
- Duplex Flange Exporters in Canada
- Duplex Fittings Suppliers in Canada
- Duplex Steel Tube Distributors in Canada
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