Duplex Pipe exporter in Malaysia
Duplex Pipe exporter in Malaysia plays a crucial role in supplying high-grade corrosion-resistant piping solutions to various industries worldwide. These pipes are manufactured from duplex stainless steel, which combines the benefits of austenitic and ferritic stainless steels, offering superior strength and excellent resistance to stress corrosion cracking. Ideal for demanding environments, these pipes typically feature grades such as 2205 and 2507, ensuring durability and longevity in aggressive chemical and marine conditions.
Engineered to meet stringent international standards, the duplex pipes supplied are available in various sizes and thicknesses, catering to diverse industrial requirements. Their enhanced mechanical properties make them suitable for high-pressure applications, including oil and gas pipelines, chemical processing plants, and desalination units. The dual-phase microstructure of these pipes ensures a balanced composition that withstands thermal and mechanical stress effectively.
In terms of export readiness, the manufacturing facilities in Malaysia adhere to rigorous quality control protocols, including third-party inspections and certifications such as ASTM, ASME, and ISO. This ensures that every shipment meets global compliance standards, offering reliability and performance assurance to industrial buyers. Packaging and logistics are optimized to maintain the integrity of the pipes during transit, facilitating seamless delivery to international markets.
Moreover, the versatility of duplex stainless steel pipes extends to applications in power generation, marine engineering, and wastewater treatment, where resistance to chloride-induced corrosion is critical. Their adaptability to both welded and seamless forms allows for customized solutions depending on project specifications. Buyers benefit from a comprehensive product range supported by technical expertise and after-sales support.
Choosing a supplier from Malaysia guarantees access to competitively priced, high-quality duplex piping products backed by industry-leading manufacturing practices. This makes them an excellent choice for companies seeking robust, long-lasting materials to enhance the operational efficiency and safety of their industrial systems.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex Pipe 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 Pipe exporter in Malaysia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex Pipe 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 Pipe 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 Pipe 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 Pipe Exporter in Malaysia
- ✔ High corrosion resistance for enhanced durability
- ✔ Superior strength-to-weight ratio for efficient performance
- ✔ Availability in various sizes and specifications to meet diverse needs
- ✔ Excellent weldability and fabrication characteristics
- ✔ Compliance with international standards for quality assurance
- ✔ Competitive pricing and reliable delivery times
Technical Overview of Duplex Pipe
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex Stainless Steel Pipe | 22% Chromium, 5% Nickel, 3% Molybdenum, Balance Iron | Oil and Gas, Chemical Processing, Marine Applications | ASTM A790, ASME SA790 |
| Super Duplex Stainless Steel Pipe | 25% Chromium, 7% Nickel, 4% Molybdenum, Balance Iron | Desalination Plants, Offshore Oil Rigs, Pulp and Paper Industry | ASTM A928, ASME SA928 |
| Lean Duplex Stainless Steel Pipe | 19% Chromium, 5% Nickel, 2.5% Molybdenum, Balance Iron | Food Processing, Marine Applications, Structural Applications | ASTM A240, ASME SA240 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | S31803, S32205 |
| Standard | ASTM A790, ASME SA790 |
| Size Range | 1/2" to 24" |
| Length | 6 meters (custom lengths available) |
| Form | Seamless and Welded |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2205 Pipe | 22% Cr, 5% Ni, 3% Mo | Oil and gas, chemical processing, marine applications |
| Duplex 2507 Pipe | 25% Cr, 7% Ni, 4% Mo | Desalination plants, petrochemical industry, offshore platforms |
| Duplex 321 Pipe | Cr 17%, Ni 9%, Mo 2% | High-temperature applications, pressure vessels |
| Super Duplex 2507 Pipe | 25% Cr, 7% Ni, 4% Mo, 0.3% N | Applications requiring high strength and pitting resistance |
| Duplex 31803 Pipe | Cr 22%, Ni 5.6%, Mo 3% | Flue gas desulfurization, water treatment |
Available Sizes of Duplex Pipe (MM)
| Size (MM) | Size (MM) |
|---|---|
| 15 | 20 |
| 25 | 32 |
| 40 | 50 |
| 65 | 80 |
| 100 | 125 |
| 150 | 200 |
| 250 | 300 |
| 350 | 400 |
| 450 | 500 |
| 600 | 750 |
Chemical Properties of Duplex Stainless Steel
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 21.0 - 23.0 |
| 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 |
| Phosphorus (P) | ≤ 0.03 |
| Sulfur (S) | ≤ 0.01 |
Mechanical Properties of Duplex Stainless Steel
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 800 |
| Yield Strength (MPa) | 450 - 600 |
| Elongation (%) | 25 - 35 |
| Hardness (HB) | 250 - 300 |
| Impact Toughness (J at -40°C) | ≥ 40 |
Duplex Pipe – Physical & Thermal Properties
Density of Duplex Pipe
| Property | Metric | Imperial |
|---|---|---|
| Density | 7,800 kg/m³ | 0.28 lb/in³ |
Melting Point of Duplex Pipe
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1,450 °C | 2,642 °F |
Specific Heat of Duplex Pipe
| Specific Heat of Duplex Pipe | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Solid |
| 600 | 100 - 500 | Solid |
| 700 | 500 - 1,000 | Solid |
Electrical Resistivity of Duplex Stainless Steel
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.75 | 20 | As-rolled |
| 0.78 | 100 | |
| 0.80 | 200 | |
| 0.82 | 300 | |
| 0.85 | 400 | |
Equivalent of Duplex Pipe
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A790 | 1.4462 | S32205 |
| EN 10088-3 | X2CrNiMoN22-5-3 | S31803 |
Manufacturing Process & Heat Treatment of Duplex Steel Pipes
Annealing
Annealing of duplex steel pipes involves heating the material to a temperature range of 1020°C to 1100°C, followed by a controlled cooling process. This treatment helps to relieve internal stresses, improve ductility, and enhance the overall mechanical properties of the pipes. The annealing process is critical for ensuring uniform microstructure and minimizing the risk of corrosion.
Forging
The forging process for duplex steel pipes typically involves hot working at temperatures around 1100°C to 1200°C. This method enhances the mechanical properties by refining the grain structure, resulting in improved strength and toughness. Forged duplex pipes exhibit superior performance in high-pressure applications and are ideal for various industrial uses.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1000 - 1100 | Oil | Increase hardness and strength |
| Tempering | 600 - 800 | Air | Reduce brittleness, improve toughness |
| Stress Relieving | 400 - 600 | Air | Eliminate residual stresses |
The combination of these heat treatment processes ensures that duplex steel pipes meet the required specifications for strength, durability, and resistance to corrosion, making them suitable for various applications in the oil and gas, chemical, and marine industries.
Various Types
Duplex Stainless Steel Pipe
- 1/2" to 24" diameter
- Annealed and Pickled
- Oil and Gas, Chemical Processing, Marine Applications
Duplex 2205 Pipe
- 1" to 30" diameter
- Hot Finished
- Pulp and Paper, Power Generation, Water Treatment
Duplex 2507 Pipe
- 3/4" to 16" diameter
- Cold Drawn
- Desalination, Chemical Storage, High-Temperature Applications
Duplex Steel Seamless Pipe
- 1/8" to 12" diameter
- As-Welded
- Construction, Shipbuilding, Oil Refineries
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 Pipes
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex 2205 | 3 mm | $2.50 – $3.00 | ₹207 – ₹248 |
| Duplex 2205 | 6 mm | $2.40 – $2.90 | ₹199 – ₹241 |
| Duplex 2205 | 10 mm | $2.30 – $2.80 | ₹192 – ₹232 |
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 Pipes.
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 Malaysia
- Stainless Steel Pipe Exporters in Malaysia
- Nickel Alloy Pipe Manufacturers in Malaysia
- Carbon Steel Pipe Exporters in Malaysia
- Seamless Pipe Suppliers in 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