Duplex S32205 Flanges exporter in Qatar


Duplex S32205 Flanges exporter in Qatar offers high-quality stainless steel components designed to meet the rigorous demands of industrial piping systems. Manufactured from Duplex S32205 stainless steel, these flanges combine excellent corrosion resistance with superior mechanical strength, making them ideal for use in aggressive environments such as oil and gas, petrochemical, and marine industries. The balanced microstructure of austenite and ferrite phases in this alloy ensures enhanced durability and resistance against stress corrosion cracking.
These flanges are available in various types, including weld neck, slip-on, blind, and threaded, catering to diverse pipeline connection requirements. Precision-engineered to comply with international standards such as ASTM A182 and ASME B16.5, they offer reliable sealing and structural integrity under high pressure and temperature conditions. The Duplex S32205 grade is particularly favored for its ability to withstand chloride-induced corrosion, making it suitable for desalination plants and offshore platforms.
In terms of specifications, the product range covers multiple sizes and pressure classes, ensuring compatibility with existing infrastructure and facilitating easy integration. The dimensional accuracy and surface finish adhere strictly to client specifications, enabling seamless installation and long-term operational efficiency. Additionally, these flanges undergo rigorous quality checks including hardness testing, chemical composition analysis, and non-destructive testing to guarantee performance and safety.
Export readiness is a key aspect of the supply chain, with packaging and handling tailored to protect the flanges during transit and storage. Documentation such as mill test certificates, inspection reports, and compliance certifications are provided to support regulatory requirements and client audits. The export process is streamlined to ensure timely delivery across Qatar and neighboring regions, supporting large-scale industrial projects with dependable logistics and customer support.
Industrial buyers seeking robust and corrosion-resistant flange solutions will find this range particularly beneficial for enhancing the longevity and safety of their pipeline systems. The combination of duplex steel properties and precise manufacturing standards makes these flanges a preferred choice for critical infrastructure applications where performance and reliability are paramount.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex S32205 Flanges exporter in Qatar 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 S32205 Flanges exporter in Qatar
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex S32205 Flanges exporter in Qatar
- 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 S32205 Flanges exporter in Qatar
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 S32205 Flanges exporter in Qatar
| 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 S32205 Flanges
- ✔ Superior corrosion resistance in chloride environments
- ✔ High strength and durability compared to traditional stainless steels
- ✔ Excellent weldability and formability for various applications
- ✔ Enhanced resistance to stress corrosion cracking
- ✔ Good mechanical properties at elevated temperatures
- ✔ Versatile usage across a wide range of industries, including oil & gas and chemical processing
Technical Overview of Duplex S32205 Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex S32205 Flanges | 22% Chromium, 5% Nickel, 3% Molybdenum, Balance Iron | Used in petrochemical, oil and gas, and marine applications due to excellent corrosion resistance and high strength. | ASTM A182, ASTM A240, ASME SA182, ASME SA240 |
| Duplex S32205 Flanges | 22% Chromium, 5% Nickel, 3% Molybdenum, Balance Iron | Ideal for applications involving chloride environments, offering resistance to pitting and stress corrosion cracking. | API 6A, ASTM A276, ASTM A479 |
| Duplex S32205 Flanges | 22% Chromium, 5% Nickel, 3% Molybdenum, Balance Iron | Recommended for high-pressure and high-temperature applications where mechanical properties are critical. | ISO 15156, NACE MR0175 |
Specifications Table
| Material | Duplex S32205 |
|---|---|
| Grades | S32205 |
| Standard | ASTM A182, ASME SA182 |
| Size Range | 1/2" to 36" |
| Length | Customizable as per requirements |
| Form | Flanges |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex S32205 Flanges | 22% Cr, 5% Ni, 3.2% Mo, 0.17% N | Oil and gas, chemical processing |
| Duplex S31803 Flanges | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Marine applications, pulp and paper |
| Duplex S32750 Flanges | 25% Cr, 7% Ni, 4% Mo, 0.24% N | Desalination, petrochemical industries |
| Duplex S32550 Flanges | 25% Cr, 6% Ni, 3% Mo, 0.2% N | Structural applications, offshore platforms |
| Duplex S32003 Flanges | 20% Cr, 6% Ni, 3% Mo, 0.15% N | Wastewater treatment, food processing |
Available Sizes of Duplex S32205 Flanges (MM)
| Size (MM) | Size (MM) |
|---|---|
| 15 | 25 |
| 32 | 40 |
| 50 | 65 |
| 80 | 100 |
| 125 | 150 |
| 200 | 250 |
| 300 | 350 |
| 400 | 450 |
| 500 | 600 |
| 700 | 800 |
Chemical Properties of Duplex S32205
| Element | Composition (%) |
|---|---|
| Iron (Fe) | 60.0 - 65.0 |
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 5.0 |
| Manganese (Mn) | 1.0 |
| Silicon (Si) | 1.0 |
| Carbon (C) | 0.03 |
| Sulfur (S) | 0.01 |
Mechanical Properties of Duplex S32205
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 |
| Yield Strength (MPa) | 450 |
| Elongation (%) | 25 |
| Hardness (HB) | 250 |
| Impact Toughness (J) | 50 |
Duplex S32205 – Physical & Thermal Properties
Density of Duplex S32205
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm³ | 0.282 lb/in³ |
Melting Point of Duplex S32205
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1475 °C | 2600 - 2700 °F |
Specific Heat of Duplex S32205
| Specific Heat of Duplex S32205 | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 550 | 100 - 600 | High Temperature |
| 600 | 600 - 1000 | Very High Temperature |
Electrical Resistivity of Duplex S32205
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.74 | 20 | As-rolled |
| 0.76 | 100 | |
| 0.78 | 200 | |
| 0.80 | 300 | |
| 0.82 | 400 | |
Equivalent of Duplex S32205
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A240 | 1.4462 | S32205 |
| EN 10088-1 | X2CrNiMoN22-5-3 | S32205 |
Manufacturing Process & Heat Treatment of Duplex S32205 Flanges
Annealing
Annealing of Duplex S32205 flanges involves heating the material to a temperature range of 1040-1100°C, followed by controlled cooling. This process helps to relieve internal stresses, improve ductility, and enhance overall mechanical properties, ensuring optimal performance in service.
Forging
The forging process for Duplex S32205 flanges is conducted at elevated temperatures, typically between 1100-1200°C. This hot working process enhances the material's microstructure, improving strength and toughness while refining grain size, which is crucial for high-pressure applications.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020-1100 | Water or Oil | Increase hardness and strength |
| Tempering | 600-800 | Air | Reduce brittleness and relieve stresses |
| Solution Treatment | 1020-1100 | Water | Enhance corrosion resistance and uniformity |
The manufacturing and heat treatment processes for Duplex S32205 flanges are critical in achieving the desired mechanical properties and performance in demanding applications. Properly executed, these processes ensure the durability and reliability of the flanges in various industrial environments.
Various Types
Duplex S32205 Blind Flanges
- ANSI/ASME B16.5, 1/2" to 24" Sizes
- Hot Finished and Cold Finished
- Used in Chemical Processing, Oil and Gas, Marine Applications
Duplex S32205 Slip-On Flanges
- ANSI/ASME B16.5, 1/2" to 24" Sizes
- Hot Finished and Cold Finished
- Ideal for Use in High-Pressure Applications
Duplex S32205 Weld Neck Flanges
- ANSI/ASME B16.5, 1/2" to 24" Sizes
- Hot Finished and Cold Finished
- Suitable for High-Temperature and Pressure Services
Duplex S32205 Socket Weld Flanges
- ANSI/ASME B16.5, 1/2" to 4" Sizes
- Hot Finished
- Commonly Used in Piping Systems for High-Pressure Applications
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 S32205 Flanges
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex S32205 | 3 mm | $5.50 – $6.00 | ₹450 – ₹490 |
| Duplex S32205 | 6 mm | $5.80 – $6.30 | ₹470 – ₹510 |
| Duplex S32205 | 10 mm | $6.00 – $6.50 | ₹490 – ₹530 |
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 S32205 Flanges.
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
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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