Duplex S32205 Flanges manufacturer
Duplex S32205 Flanges manufacturer specializes in producing high-quality flanges made from Duplex stainless steel grade S32205, renowned for its exceptional corrosion resistance and mechanical strength. These flanges are crafted to meet stringent industry standards, ensuring durability in demanding environments such as chemical processing, oil and gas, and marine applications. With a balanced composition of austenitic and ferritic stainless steel, the material offers superior resistance to stress corrosion cracking and excellent weldability.
The product range includes various types of flanges such as weld neck, slip-on, blind, threaded, and lap joint, all engineered to precise dimensions and tolerances. Duplex S32205 flanges feature enhanced tensile strength and toughness, making them ideal for high-pressure and high-temperature systems. Their resistance to chloride-induced corrosion and pitting makes them particularly suitable for offshore and desalination plant projects.
Manufacturers focus on delivering flanges that comply with international standards like ASTM A182, ASME B16.5, and EN 1092-1, ensuring compatibility and reliability in global industrial setups. The flanges undergo rigorous testing procedures, including hydrostatic testing, positive material identification (PMI), and non-destructive testing (NDT), to guarantee optimum performance and safety.
These Duplex stainless steel flanges are widely used in industries such as petrochemical, power generation, and wastewater treatment, where long service life and resistance to aggressive media are critical. Their ability to withstand thermal cycling and mechanical stress without deformation adds to their appeal for critical piping system applications.
Export-ready with comprehensive documentation and quality certifications, the flanges are packaged to withstand international shipping conditions, ensuring timely delivery to customers worldwide. The manufacturer’s commitment to quality control and customer support makes them a reliable partner for industrial buyers seeking robust and efficient piping components.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex S32205 Flanges manufacturer 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 manufacturer
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex S32205 Flanges manufacturer
- 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 manufacturer
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 manufacturer
| 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
- ✔ Excellent corrosion resistance in a wide range of environments
- ✔ High strength and durability, suitable for high-pressure applications
- ✔ Good weldability and fabrication properties for versatile usage
- ✔ Resistant to stress corrosion cracking, particularly in chloride environments
- ✔ Cost-effective alternative to higher alloys in various applications
- ✔ Available in various sizes and specifications to meet industry standards
Technical Overview of Duplex S32205 Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex S32205 Flange | Fe, Cr (22%), Ni (5.5%), Mo (3%), N (0.17%) | Used in petrochemical, oil & gas, and marine applications | ASTM A182, ASME SA182, ISO 15156 |
| Duplex S32205 Flange | Fe, Cr (22%), Ni (5.5%), Mo (3%), N (0.17%) | Suitable for high-pressure and high-temperature environments | API 6A, NACE MR0175 |
| Duplex S32205 Flange | Fe, Cr (22%), Ni (5.5%), Mo (3%), N (0.17%) | Commonly used in industrial piping systems | EN 10088-3, ASTM A240 |
Specifications Table
| Material | Duplex Stainless Steel S32205 |
|---|---|
| Grades | S32205 |
| Standard | ASTM A182, ASME SA182 |
| Size Range | 1/2" to 24" |
| Length | Custom lengths available |
| Form | Flanges (Flat, Raised Face, etc.) |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex S32205 Flanges | Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N | Oil and gas, chemical processing, marine applications |
| Duplex S32205 Blind Flanges | Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N | Pressure vessels, heat exchangers |
| Duplex S32205 Weld Neck Flanges | Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N | Pipelines, water treatment plants |
| Duplex S32205 Socket Weld Flanges | Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N | High-pressure applications, refineries |
| Duplex S32205 Lap Joint Flanges | Fe, 22% Cr, 5% Ni, 3% Mo, 0.17% N | Marine industry, offshore platforms |
Available Sizes of Duplex S32205 Flanges (MM)
| Size (MM) | Size (MM) |
|---|---|
| 15 | 40 |
| 20 | 50 |
| 25 | 60 |
| 32 | 75 |
| 40 | 90 |
| 50 | 100 |
| 65 | 125 |
| 80 | 150 |
| 100 | 200 |
| 150 | 250 |
Chemical Properties of Duplex S32205
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 3.5 |
| Iron (Fe) | Balance |
| Manganese (Mn) | 0.5 - 1.0 |
| Silicon (Si) | 0.5 |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.01 max |
Mechanical Properties of Duplex S32205
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 |
| Yield Strength (MPa) | 450 |
| Elongation (%) | 25 |
| Hardness (HB) | 290 |
| Impact Toughness (J at -50°C) | 50 |
Duplex S32205 – Physical & Thermal Properties
Density of Duplex S32205
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.80 g/cm³ | 0.282 lb/in³ |
Melting Point of Duplex S32205
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1400 - 1450 °C | 2552 - 2642 °F |
Specific Heat of Duplex S32205
| Specific Heat of Duplex S32205 | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Solid |
| 700 | 100 - 500 | Solid |
| 900 | 500 - 1000 | Solid |
Electrical Resistivity of Duplex S32205
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.70 | 20 | As-rolled condition |
| 0.72 | 100 | |
| 0.74 | 200 | |
| 0.76 | 300 | |
| 0.78 | 400 | |
Equivalent of Duplex S32205
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A182 | 1.4462 | S32205 |
| ASME SA182 | 1.4462 | S32205 |
Manufacturing Process & Heat Treatment of Duplex S32205
Annealing
The annealing process for Duplex S32205 involves heating the material to a temperature of approximately 1020-1100°C, followed by controlled cooling. This process is essential to relieve internal stresses, enhance ductility, and improve the overall microstructure, ensuring optimal performance in subsequent manufacturing stages.
Forging
Forging of Duplex S32205 flanges is typically performed at temperatures ranging from 1100°C to 1200°C. This hot working process refines the grain structure, enhances strength, and improves toughness. The forged components are then allowed to cool in air to maintain their desired mechanical properties.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020-1100 | Water or Oil | To increase hardness and strength of the material. |
| Tempering | 600-800 | Air | To relieve stresses and enhance toughness after hardening. |
| Stabilization | 800-900 | Air | To improve resistance to intergranular corrosion. |
The careful application of these manufacturing processes and heat treatments ensures that Duplex S32205 flanges meet the stringent requirements for strength, corrosion resistance, and durability in various industrial applications.
Various Types
Duplex S32205 Blind Flange
- Dimensions: 1/2" to 24" diameter
- Condition: ASTM A182, Class 150 - Class 2500
- Applications: Oil and gas, chemical processing, marine applications
Duplex S32205 Slip-On Flange
- Dimensions: 1" to 30" diameter
- Condition: ASTM A240, Class 150 - Class 600
- Applications: Chemical processing, pulp and paper, wastewater treatment
Duplex S32205 Weld Neck Flange
- Dimensions: 1" to 36" diameter
- Condition: ASTM A182, Class 150 - Class 1500
- Applications: High-pressure applications, oil and gas pipelines
Duplex S32205 Socket Weld Flange
- Dimensions: 1/2" to 4" diameter
- Condition: ASTM A182, Class 3000 - Class 6000
- Applications: Small bore piping, high-pressure systems
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 | ₹455 – ₹495 |
| Duplex S32205 | 6 mm | $5.00 – $5.50 | ₹410 – ₹455 |
| Duplex S32205 | 10 mm | $4.80 – $5.30 | ₹390 – ₹440 |
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