Duplex 2304 EFW Pipe exporter in UAE
Duplex 2304 EFW Pipe exporter in UAE offers high-quality welded pipes made from duplex stainless steel grade 2304, known for its excellent corrosion resistance and superior mechanical properties. These pipes are produced using the Electric Fusion Welding (EFW) process, ensuring strong weld integrity and consistent dimensional accuracy. Ideal for demanding industrial applications, these pipes combine the benefits of austenitic and ferritic stainless steel, providing enhanced strength and resistance to stress corrosion cracking.
Manufactured with precise chemical composition and controlled heat treatment, the duplex 2304 EFW pipes feature balanced microstructures that deliver excellent toughness and durability. Typically, these pipes have a chromium content of around 23% and nickel content near 4%, which significantly improves their resistance to chloride stress corrosion and pitting. The wall thickness and diameters are available in a variety of standard sizes to meet diverse project requirements, making them suitable for use in offshore, petrochemical, and marine environments.
These welded pipes are widely used in applications such as oil and gas pipelines, seawater desalination plants, chemical processing units, and power generation facilities. Their ability to withstand harsh environmental conditions and high pressure systems makes them a preferred choice for industrial buyers looking for reliable and long-lasting piping solutions. The duplex 2304 grade also offers cost advantages over higher nickel alloys, providing an efficient balance between performance and price.
Export readiness is a key focus, with all products complying with international standards such as ASTM A789 and EN 10217, ensuring quality assurance for global clients. The packaging and documentation processes are tailored to meet the stringent requirements of overseas shipments, facilitating smooth customs clearance and timely delivery. Buyers can expect comprehensive support in logistics, certification, and after-sales service for seamless procurement experiences.
For industrial buyers in the UAE and beyond, sourcing duplex 2304 EFW pipes from a reliable exporter ensures access to premium materials backed by technical expertise and compliance with global industry standards. Whether for new installations or maintenance projects, these duplex stainless steel pipes provide a robust solution that enhances operational efficiency and longevity in critical infrastructure.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex 2304 EFW Pipe exporter in UAE 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: 550 MT / Month
- Export Experience: 10+ Years
- Countries Served: 50+
- Annual Export Volume: 5,530 MT
Table of Contents
- 1. What is Duplex 2304 EFW Pipe exporter in UAE
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2304 EFW Pipe exporter in UAE
- 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 2304 EFW Pipe exporter in UAE
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 2304 EFW Pipe exporter in UAE
| 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 2304 EFW Pipe
- ✔ Excellent corrosion resistance in a variety of environments
- ✔ High strength-to-weight ratio suitable for various applications
- ✔ Good weldability and fabricability for enhanced performance
- ✔ Cost-effective alternative to higher alloyed stainless steels
- ✔ Suitable for both hot and cold working conditions
- ✔ Versatile use in industries such as oil and gas, chemical processing, and water treatment
Technical Overview of Duplex 2304 EFW Pipe
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2304 EFW Pipe | Fe, 22% Cr, 4.5% Ni, 0.2% N, 0.5% Mo | Used in piping systems for oil and gas, chemical processing, and wastewater treatment. | ASTM A240, ASTM A790 |
| Duplex 2304 EFW Pipe | Fe, 22% Cr, 4.5% Ni, 0.2% N, 0.5% Mo | Suitable for environments exposed to chloride, high temperatures, and corrosive media. | ASME SA-240, EN 10088-2 |
| Duplex 2304 EFW Pipe | Fe, 22% Cr, 4.5% Ni, 0.2% N, 0.5% Mo | Commonly used in heat exchangers, pressure vessels, and marine applications. | API 5L, ISO 3183 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | UNS S32304 |
| Standard | ASTM A789/A790 |
| Size Range | 1/2 inch to 24 inch |
| Length | Up to 12 meters |
| Form | Electric Fusion Welded (EFW) |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2304 EFW Pipe | Fe, 18% Cr, 4% Ni, 0.5% Mo | Oil and gas, Chemical processing, Marine applications |
| Duplex 2205 EFW Pipe | Fe, 22% Cr, 5% Ni, 3% Mo | Seawater applications, Pulp and paper, Wastewater treatment |
| Super Duplex 2507 EFW Pipe | Fe, 25% Cr, 7% Ni, 4% Mo | Desalination plants, Chemical storage, Oil and gas |
| Duplex 304L EFW Pipe | Fe, 18% Cr, 8% Ni, 0.03% C | Food processing, Pharmaceutical industries, Heat exchangers |
| Duplex 316L EFW Pipe | Fe, 16% Cr, 10% Ni, 2% Mo | Marine environments, Chemical processing, Pharmaceutical applications |
Available Sizes of Duplex 2304 EFW Pipe (MM)
| Size (MM) | Size (MM) |
|---|---|
| 26 | 25 |
| 32 | 30 |
| 40 | 38 |
| 50 | 48 |
| 65 | 63 |
| 80 | 76 |
| 100 | 95 |
| 125 | 120 |
| 150 | 145 |
| 200 | 195 |
Chemical Properties of Duplex 2304
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 0.3 - 0.6 |
| Manganese (Mn) | 0.8 - 1.5 |
| Silicon (Si) | 0.5 - 1.0 |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.01 max |
| Iron (Fe) | Balance |
Mechanical Properties of Duplex 2304 EFW Pipe
| Property | Value |
|---|---|
| Tensile Strength | 450 MPa |
| Yield Strength | 220 MPa |
| Elongation | 25% |
| Hardness | 250 HB |
| Impact Toughness | 40 J at -40°C |
Duplex 2304 EFW Pipe – Physical & Thermal Properties
Density of Duplex 2304 EFW Pipe
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.1 g/cm³ | 0.256 lb/in³ |
Melting Point of Duplex 2304 EFW Pipe
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1350 - 1400 °C | 2462 - 2552 °F |
Specific Heat of Duplex 2304 EFW Pipe
| Specific Heat of Duplex 2304 EFW Pipe | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 600 | 100 - 400 | High Temperature |
| 700 | 400 - 800 | Extreme Temperature |
Electrical Resistivity of Duplex 2304 EFW Pipe
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 20 | As Fabricated |
| 0.75 | 100 | |
| 0.78 | 200 | |
| 0.81 | 300 | |
| 0.85 | 400 | |
Equivalent of Duplex 2304 EFW Pipe
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A240 | 1.4362 | S32304 |
| EN 10088-2 | 1.4362 | S32304 |
Manufacturing Process & Heat Treatment of Duplex 2304 EFW Pipe
Annealing
The annealing process for Duplex 2304 EFW Pipe involves heating the material to a temperature range of 1000°C to 1100°C, followed by controlled cooling. This process helps in relieving internal stresses and improving ductility, ensuring the pipe can withstand further processing and service conditions.
Forging
Forging of Duplex 2304 involves shaping the material at elevated temperatures, typically between 1100°C and 1200°C. This process enhances the mechanical properties of the steel, leading to improved strength and toughness, making it suitable for high-demand applications.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020 - 1080 | Oil | Increase hardness and strength |
| Tempering | 600 - 800 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 300 - 500 | Air | Relieve residual stresses after welding |
The manufacturing and heat treatment processes for Duplex 2304 EFW Pipe are crucial in achieving the desired mechanical properties and corrosion resistance, ensuring the product meets international standards for quality and performance.
Various Types
Duplex 2304 EFW Pipe - Schedule 40
- 1/2" to 24" Diameter
- As Rolled, Pickled, and Passivated
- Used in Oil & Gas, Chemical Processing, and Marine Applications
Duplex 2304 EFW Pipe - Schedule 80
- 1/2" to 20" Diameter
- Annealed and Pickled
- Ideal for Power Generation and Water Treatment
Duplex 2304 EFW Pipe - Customized Sizes
- Available in Customized Lengths
- Cold Drawn
- Suitable for Pharmaceutical and Food Industries
Duplex 2304 EFW Pipe - High Pressure
- 3/4" to 16" Diameter
- Stress Relieved
- Designed for High Pressure Applications in Chemical Plants
Applications & Uses
- Oil & Gas Industry
- Petrochemical Plants
- Water Treatment Plants
- Pharmaceutical Industry
- Food & Beverage Industry
- Automobile Industry
Industries We Serve
Our alloys are widely used across:
- Steel Plants
- Foundries & Casting Units
- Automobile Industry
- Shipbuilding & Marine
- Oil & Gas
- Engineering Components
- Heavy Industrial Machinery
Latest Price List of Duplex 2304 EFW Pipe
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex 2304 | 3 mm | $2.50 – $2.70 | ₹207 – ₹223 |
| Duplex 2304 | 6 mm | $2.45 – $2.65 | ₹203 – ₹219 |
| Duplex 2304 | 10 mm | $2.40 – $2.60 | ₹199 – ₹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 2304 EFW Pipe.
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
Cities We Suppllied In India
We exported to 50+ countries worldwide.
Our Certifications
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.
GST Certificate
ISO 9001:2015
ISO 1002:2018
Udyam MSME Registration
Quality Inspection & Testing
At Ragnar Metals and Tubes, all products are checked through strict quality inspection and testing to meet international standards such as ASTM, ASME, EN, and DIN. This ensures consistent quality, accurate dimensions, and full material traceability.
- ✔ Chemical composition testing
- ✔ Mechanical tests such as tensile and hardness
- ✔ Dimensional inspection as per standard tolerances
- ✔ PMI, ultrasonic, and visual inspection (if required)
- ✔ EN 10204 3.1 / 3.2 test certificates
- ✔ Third-party inspection by SGS, TUV, BV, or Lloyd’s
Our quality systems support reliable supply for oil & gas, petrochemical, power, marine, and heavy engineering projects.
Our Products Types
People Also Search For
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Frequently Asked Questions
About Ragnar Metals and Tubes
- ✔ Decades of experience in stainless steel, carbon steel, and alloy steel manufacturing
- ✔ ISO 9001:2015 certified company ensuring strict quality control standards
- ✔ Specialized in cold drawn pipes and tubes processing
- ✔ State-of-the-art manufacturing facilities with modern machinery
- ✔ Precision-engineered products with consistent quality and reliability
- ✔ Customized steel solutions as per client drawings and specifications
- ✔ Compliance with international industry standards
- ✔ Trusted supplier for critical industrial applications worldwide