Duplex S32205 Flanges
Duplex S32205 Flanges are precision-engineered components made from duplex stainless steel, known for its excellent corrosion resistance and high strength. This material combines the properties of austenitic and ferritic stainless steels, offering enhanced durability and resistance to stress corrosion cracking. These flanges are commonly used to connect pipes, valves, and other equipment in critical industrial systems, ensuring a secure and leak-proof seal.
Manufactured to meet stringent international standards such as ASTM A182 and ASME B16.5, these fittings come in various types including weld neck, slip-on, blind, and threaded designs. Their duplex stainless steel composition typically contains around 22% chromium, 5% nickel, and 3% molybdenum, providing superior mechanical properties and resistance against chloride-induced corrosion. This makes them ideal for use in harsh environments encountered in oil and gas, chemical processing, and marine industries.
Engineers and procurement specialists prioritize these components for applications requiring high pressure and temperature tolerance. Their robustness ensures long service life in pipelines transporting aggressive fluids and gases. Furthermore, the balanced microstructure of the alloy reduces the risk of pitting and crevice corrosion, which is critical in maintaining system integrity and minimizing downtime in industrial operations.
With a focus on global supply chain efficiency, these flanges are produced to be export-ready, complying with international quality certifications and packaging standards. This ensures seamless integration into projects worldwide, supporting rapid deployment and installation. Industrial buyers can rely on consistent quality and timely delivery, backed by thorough testing and traceability documentation.
In summary, duplex S32205 flanges represent a reliable solution for industries demanding high-performance connections in corrosive and high-stress environments. Their advanced material properties combined with versatile design options make them essential components for maintaining operational excellence across a wide range of sectors.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex S32205 Flanges 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
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex S32205 Flanges
- 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
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
| 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
- ✔ High strength and durability for demanding applications
- ✔ Excellent resistance to pitting and crevice corrosion
- ✔ Superior weldability compared to other duplex stainless steels
- ✔ Suitable for high-pressure environments
- ✔ Good fatigue resistance, enhancing service life
- ✔ Versatile for various industrial applications including oil and gas, chemical processing, and marine environments
Technical Overview of Duplex S32205 Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex S32205 Flange | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Used in oil and gas, chemical processing, and marine applications | ASTM A182, ASTM A240 |
| Duplex S32205 Flange | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Suitable for high-pressure and high-temperature environments | ASME B16.5, NACE MR0175 |
| Duplex S32205 Flange | 22% Cr, 5% Ni, 3% Mo, 0.17% N | Recommended for seawater applications and acidic environments | API 6A, ISO 15156 |
Specifications Table
| Material | Duplex S32205 |
|---|---|
| Grades | S32205 |
| Standard | ASTM A182, ASME B16.5 |
| Size Range | 1/2" to 24" |
| Length | Customizable per project requirements |
| Form | Blind, Slip-on, Weld neck, Threaded |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex S32205 Flange | 22% Cr, 5% Ni, 3% Mo, 0.1% N | Oil & Gas, Chemical Processing, Marine Applications |
| Duplex S32205 Flange | 22% Cr, 5% Ni, 3% Mo, <0.03% C | Power Generation, Pulp & Paper, Desalination |
| Duplex S32205 Flange | 22% Cr, 5% Ni, 3% Mo, 2.5% Cu | Food Processing, Pharmaceutical, Wastewater Treatment |
| Duplex S32205 Flange | 22% Cr, 5% Ni, 3% Mo, 0.5% Si | Heat Exchangers, Pressure Vessels, Storage Tanks |
| Duplex S32205 Flange | 22% Cr, 5% Ni, 3% Mo, 0.2% P | Shipbuilding, Offshore Structures, Construction |
Available Sizes of Duplex S32205 Flanges (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 S32205 Flanges
| Element | Composition (%) |
|---|---|
| Iron (Fe) | 60.0 - 70.0 |
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 4.0 |
| Manganese (Mn) | 0.5 - 1.0 |
| Silicon (Si) | 0.5 |
| Carbon (C) | 0.03 |
| Phosphorus (P) | 0.03 |
Mechanical Properties of Duplex S32205 Flanges
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 850 |
| Yield Strength (MPa) | 450 minimum |
| Elongation (%) | 25 minimum |
| Hardness (HV) | 250 maximum |
| Impact Strength (J at -40°C) | ≥ 40 |
Duplex S32205 Flanges – Physical & Thermal Properties
Density of Duplex S32205 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm³ | 0.28 lb/in³ |
Melting Point of Duplex S32205 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1475 °C | 2600 - 2700 °F |
Specific Heat of Duplex S32205 Flanges
| Specific Heat of Duplex S32205 Flanges | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 540 | 100 - 400 | Heating |
| 700 | 400 - 800 | High Temperature |
Electrical Resistivity of Duplex S32205 Flanges
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.73 | 20 | As-Received |
| 0.75 | 100 | |
| 0.78 | 200 | |
| 0.80 | 300 | |
| 0.82 | 400 | |
Equivalent of Duplex S32205 Flanges
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A240 | 1.4462 | S32205 |
| EN 10088-2 | X22CrNiMo22-5-3 | S32205 |
Manufacturing Process & Heat Treatment of Duplex S32205 Flanges
Annealing
The annealing process for Duplex S32205 flanges involves heating the material to a temperature range of 1020°C to 1100°C, followed by controlled cooling. This helps to relieve internal stresses and improve ductility, ensuring that the flanges can withstand the demands of various industrial applications.
Forging
Forging of Duplex S32205 flanges is typically conducted at temperatures between 1100°C and 1200°C. This process enhances the mechanical properties of the flanges through deformation, resulting in a refined grain structure and improved strength. The forged flanges are then subjected to machining to achieve precise dimensions and surface finish.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020 - 1100 | Oil | To increase hardness and strength by transforming the microstructure. |
| Tempering | 600 - 700 | Air | To reduce brittleness and improve toughness after hardening. |
| Stress Relieving | 550 - 650 | Air | To relieve residual stresses from machining and forming processes. |
The combination of these manufacturing and heat treatment processes ensures that Duplex S32205 flanges exhibit excellent corrosion resistance, high strength, and durability, making them suitable for a wide range of applications in the oil and gas, chemical, and marine industries.
Various Types
Duplex S32205 Blind Flange
- Dimensions: 1" to 48" (DN25 to DN1200)
- Condition: Hot Finished / Cold Finished
- Applications: Oil and gas, chemical processing, marine environments
Duplex S32205 Slip-On Flange
- Dimensions: 1" to 40" (DN25 to DN1000)
- Condition: As Rolled
- Applications: Piping systems, pressure vessels, water treatment
Duplex S32205 Weld Neck Flange
- Dimensions: 1" to 36" (DN25 to DN900)
- Condition: Annealed
- Applications: High-pressure applications, structural piping
Duplex S32205 Socket Weld Flange
- Dimensions: 1/2" to 4" (DN15 to DN100)
- Condition: Cold Worked
- Applications: High-pressure piping, chemical processing
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 Flanges | 3 mm | $5.50 – $6.00 | ₹450 – ₹500 |
| Duplex S32205 Flanges | 6 mm | $5.80 – $6.30 | ₹470 – ₹520 |
| Duplex S32205 Flanges | 10 mm | $6.00 – $6.50 | ₹490 – ₹540 |
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.
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
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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