Duplex Spool exporter in Malaysia


Duplex Spool exporter in Malaysia specializes in delivering high-quality duplex stainless steel spool pieces tailored for demanding industrial applications. These spools are fabricated using duplex stainless steel grades such as 2205 and 2507, known for their exceptional corrosion resistance, high strength, and excellent weldability. The material's balanced microstructure of austenitic and ferritic phases ensures superior performance under harsh conditions, making it ideal for use in chemical processing, oil and gas, and marine environments.
The spool pieces are precision-engineered components, typically comprising flanged pipe sections, elbows, reducers, and tees, pre-assembled to streamline installation and reduce downtime at project sites. Manufactured according to stringent international standards like ASTM, ASME, and ISO, these products meet the rigorous demands of global industries requiring durable and reliable piping solutions. The duplex stainless steel used offers enhanced resistance to chloride-induced stress corrosion cracking and pitting, which is critical in offshore and coastal applications.
Applications for these spools range from pipeline systems in petrochemical plants to water treatment facilities and desalination plants, where their mechanical properties and corrosion resistance contribute to long service life and reduced maintenance costs. Their robust construction allows them to withstand high pressures and temperatures, making them suitable for both onshore and offshore projects. Additionally, the modular nature of spool fabrication facilitates easier transportation and faster onsite assembly, which is a significant advantage for large-scale infrastructure developments.
Export readiness is a key focus for suppliers based in Malaysia, ensuring that all duplex stainless steel spool pieces are packaged and shipped in compliance with international shipping regulations. Documentation such as material test reports, third-party inspection certificates, and export licenses are meticulously prepared to guarantee smooth customs clearance and timely delivery. This commitment to quality and service reliability positions Malaysian exporters as trusted partners in the global supply chain for duplex stainless steel piping components.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex Spool exporter in Malaysia 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 Malaysia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex Spool exporter in Malaysia
- 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 Malaysia
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 Malaysia
| 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, ideal for harsh environments
- ✔ Excellent weldability for easy installation
- ✔ Enhanced mechanical properties for improved strength
- ✔ Lightweight design for reduced handling costs
- ✔ Cost-effective solution for long-term applications
- ✔ Customized dimensions and specifications available
Technical Overview of Duplex Spool
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex Stainless Steel Spool | 22% Cr, 5% Ni, 3% Mo, Balance Fe | Used in oil and gas pipelines, chemical processing, and marine applications | ASTM A790, ASME SA790 |
| Duplex Stainless Steel Spool | 25% Cr, 7% Ni, 4% Mo, Balance Fe | Ideal for high strength and corrosion resistance in harsh environments | EN 10216-5, ISO 15156 |
| Duplex Stainless Steel Spool | Duplex 2205 (S31803/S32205) | Commonly used in pressure vessels and heat exchangers | API 5L, ASTM A312 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | S31803, S32205 |
| Standard | ASTM A790, ASME SA790 |
| Size Range | 1/2" to 24" (NPS) |
| 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, pulp and paper |
| Duplex 2507 | Fe, 25% Cr, 7% Ni, 4% Mo | Marine environments, desalination plants, petrochemical applications |
| Duplex 2011 | Fe, 18% Cr, 9% Ni, 0.6% N | Food processing, pharmaceutical equipment |
| Super Duplex 2507 | Fe, 25% Cr, 7% Ni, 4% Mo, 0.3% N | Oil and gas, high chloride environments |
| Duplex 31803 | Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N | Chemical processing, storage tanks, heat exchangers |
Available Sizes of Duplex Spool (MM)
| Size (MM) | Size (MM) |
|---|---|
| 25 | 50 |
| 32 | 63 |
| 40 | 76 |
| 50 | 89 |
| 63 | 102 |
| 76 | 114 |
| 89 | 127 |
| 102 | 140 |
| 114 | 152 |
| 140 | 168 |
Chemical Properties of Duplex Stainless Steel
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.03 max |
| Manganese (Mn) | 1.0 max |
| Silicon (Si) | 1.0 max |
| Chromium (Cr) | 18.0 - 28.0 |
| Nickel (Ni) | 4.5 - 8.0 |
| Molybdenum (Mo) | 3.0 - 5.0 |
| Nitrogen (N) | 0.08 - 0.3 |
| Iron (Fe) | Balance |
Mechanical Properties of Duplex Stainless Steel
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 800 |
| Yield Strength (MPa) | 450 - 600 |
| Elongation (%) | 25 - 40 |
| Hardness (HB) | 230 - 300 |
| Impact Toughness (J) | 50 (at -40°C) |
Duplex Stainless Steel – Physical & Thermal Properties
Density of Duplex Stainless Steel
| Property | Metric | Imperial |
|---|---|---|
| Density | 7,800 kg/m³ | 0.28 lb/in³ |
Melting Point of Duplex Stainless Steel
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1,400 - 1,500 °C | 2,552 - 2,732 °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 | Solid |
| 800 | 100 - 300 | Solid |
| 900 | 300 - 1,000 | Solid |
Electrical Resistivity of Duplex Stainless Steel
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.75 | 20 | Annealed |
| 0.76 | 100 | |
| 0.78 | 200 | |
| 0.80 | 300 | |
| 0.82 | 400 | |
Equivalent of Duplex Stainless Steel
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A240 | 1.4462 | S32205 |
| EN 10088-3 | X2CrNiMoN22-5-3 | S31803 |
Manufacturing Process & Heat Treatment of Duplex Spool
Annealing
Annealing of duplex spools involves heating the material to a temperature range of 1000°C to 1100°C, followed by controlled cooling. This process helps to relieve internal stresses, improve ductility, and enhance the overall mechanical properties of the steel.
Forging
Forging of duplex spools is typically performed at elevated temperatures between 900°C and 1200°C. This process shapes the material and refines the grain structure, resulting in improved strength and toughness. It is crucial for achieving the desired dimensions and mechanical characteristics.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1050 - 1150 | Oil | Increase hardness and strength of the material |
| Tempering | 600 - 800 | Air | Reduce brittleness and improve ductility |
| Stress Relieving | 500 - 600 | Air | Remove residual stresses from the material |
The combination of these processes ensures that duplex spools manufactured in Malaysia meet the rigorous standards required for global steel exports, offering superior performance in various industrial applications.
Various Types
Duplex Stainless Steel Spools
- Diameter: 3" to 12"
- Condition: Pickled and Passivated
- Applications: Oil and Gas, Chemical Processing
Super Duplex Steel Spools
- Diameter: 4" to 10"
- Condition: Hot Rolled
- Applications: Marine, Power Generation
Duplex Steel Pipe Spools
- Diameter: 2" to 8"
- Condition: Cold Drawn
- Applications: HVAC Systems, Water Treatment
Duplex Fabricated Spools
- Diameter: Custom Sizes Available
- Condition: As Welded
- Applications: Structural Applications, Heavy Industries
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 – $2.80 | ₹207 – ₹232 |
| Duplex Spool | 6 mm | $2.40 – $2.70 | ₹199 – ₹225 |
| Duplex Spool | 10 mm | $2.30 – $2.60 | ₹192 – ₹215 |
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.
People Also Search For
- Duplex Steel Supplier in Malaysia
- Duplex Pipe Fittings Exporter Malaysia
- Stainless Steel Spool Manufacturer Malaysia
- Duplex Steel Flange Exporter in Malaysia
- Metal Fabrication Services Malaysia
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