Duplex 2101 Flanges exporter in Qatar
Duplex 2101 Flanges exporter in Qatar offers high-quality, corrosion-resistant components designed to meet the rigorous demands of industrial piping systems. Manufactured from Duplex 2101 stainless steel, these flanges combine excellent strength with superior resistance to chloride-induced stress corrosion cracking, making them ideal for harsh environments. As a dual-phase alloy, Duplex 2101 provides a balanced microstructure of austenite and ferrite, ensuring enhanced mechanical properties and durability compared to standard stainless steel grades.
These flanges come in various types, including weld neck, slip-on, blind, and threaded, catering to diverse connection requirements in sectors such as oil and gas, petrochemical, marine, and water treatment. Their robust composition supports high-pressure and high-temperature applications, maintaining integrity under challenging conditions. Industrial buyers can rely on these products for seamless integration into pipeline systems where longevity and safety are paramount.
Export readiness is a key feature, with all flanges undergoing stringent quality control processes including dimensional inspection, non-destructive testing, and certification compliance such as ASTM and ASME standards. Packaging is optimized for international shipping to ensure product integrity upon arrival, accompanied by detailed documentation to facilitate smooth customs clearance and project timelines.
These Duplex 2101 stainless steel flanges are engineered to meet global industrial standards, providing reliable performance in corrosive environments like seawater exposure and chemical processing plants. Their excellent weldability and machinability allow for customized adaptations, supporting complex piping layouts and maintenance operations. Buyers seeking durable, efficient flange solutions will find these products well-suited to demanding industrial applications.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex 2101 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 2101 Flanges exporter in Qatar
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2101 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 2101 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 2101 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 2101 Flanges
- ✔ Excellent corrosion resistance in various environments
- ✔ High strength and durability, suitable for high-pressure applications
- ✔ Cost-effective alternative to higher alloyed duplex stainless steels
- ✔ Good weldability, enhancing fabrication versatility
- ✔ Suitable for both cold and hot working processes
- ✔ Available in various sizes and specifications to meet diverse project requirements
Technical Overview of Duplex 2101 Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2101 Flanges | Fe, Cr (19-21%), Ni (4-6%), Mo (0.5-1%), N (0.1-0.2%) | Used in piping systems for oil and gas, chemical processing, and marine applications | ASTM A240, ASME SA240, ASTM A182 |
| Duplex 2101 Flanges | Fe, Cr (19-21%), Ni (4-6%), Mo (0.5-1%), N (0.1-0.2%) | Suitable for high strength and corrosion resistance in demanding environments | ISO 15156, NACE MR0175 |
| Duplex 2101 Flanges | Fe, Cr (19-21%), Ni (4-6%), Mo (0.5-1%), N (0.1-0.2%) | Ideal for applications requiring both strength and resistance to stress corrosion cracking | EN 10204, ASTM A694 |
Specifications Table
| Material | Duplex Stainless Steel 2101 |
|---|---|
| Grades | UNS S32101 |
| Standard | ASTM A182, ASME SA182 |
| Size Range | 1/2" to 24" |
| Length | Custom lengths available |
| Form | Slip-on, Weld Neck, Blind, and Threaded |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2101 Flanges | Fe, Cr (20%), Ni (0.2%), Mo (0.1%), N (0.14%), C (0.03%) | Pipelines, Chemical Processing, Oil and Gas Industries |
| Duplex 2101 Forged Flanges | Fe, Cr (20%), Ni (0.2%), Mo (0.1%), N (0.14%), C (0.03%) | Marine Applications, Structural Components, Pressure Vessels |
| Duplex 2101 Slip-on Flanges | Fe, Cr (20%), Ni (0.2%), Mo (0.1%), N (0.14%), C (0.03%) | Water Treatment Plants, Heat Exchangers, Pharmaceutical Equipment |
| Duplex 2101 Weld Neck Flanges | Fe, Cr (20%), Ni (0.2%), Mo (0.1%), N (0.14%), C (0.03%) | Refineries, Offshore Platforms, Industrial Piping Systems |
| Duplex 2101 Blind Flanges | Fe, Cr (20%), Ni (0.2%), Mo (0.1%), N (0.14%), C (0.03%) | Blockage Points in Piping, Inspection Openings, Maintenance |
Available Sizes of Duplex 2101 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 2101
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 19.0 - 21.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 0.5 - 1.0 |
| Manganese (Mn) | 6.0 - 8.0 |
| Silicon (Si) | 0.5 - 1.0 |
| Carbon (C) | 0.03 max |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.01 max |
Mechanical Properties of Duplex 2101
| Property | Value |
|---|---|
| Tensile Strength | 550 MPa |
| Yield Strength | 400 MPa |
| Elongation | 25% |
| Hardness (HB) | 230 |
| Impact Toughness | 50 J at -40°C |
Duplex 2101 Flanges – Physical & Thermal Properties
Density of Duplex 2101 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.0 g/cm³ | 0.253 lb/in³ |
Melting Point of Duplex 2101 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1425 - 1550 °C | 2600 - 2820 °F |
Specific Heat of Duplex 2101 Flanges
| Specific Heat of Duplex 2101 Flanges | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 600 | 100 - 600 | High Temperature |
| 700 | 600 - 1000 | Very High Temperature |
Electrical Resistivity of Duplex 2101
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 20 | As-rolled |
| 0.75 | 100 | |
| 0.78 | 200 | |
| 0.80 | 300 | |
| 0.82 | 400 | |
Equivalent of Duplex 2101
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| EN 1.4162 | 1.4162 | S32101 |
| AISI 2101 | — | S32101 |
Manufacturing Process & Heat Treatment of Duplex 2101 Flanges
Annealing
The annealing process for Duplex 2101 flanges involves heating the material to a temperature of approximately 1020-1100°C, followed by a controlled cooling process. This treatment is essential to relieve internal stresses, enhance ductility, and improve the overall mechanical properties of the flanges.
Forging
Forging of Duplex 2101 flanges is typically performed at elevated temperatures ranging from 1100 to 1250°C. This process enhances the material's strength and toughness by refining the grain structure, ensuring a uniform distribution of properties throughout the flange.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020-1100 | Water or Oil | To increase hardness and strength |
| Tempering | 400-600 | Air | To reduce brittleness while maintaining hardness |
| Stress Relieving | 300-500 | Air | To alleviate residual stresses after machining |
The combination of these processes ensures that Duplex 2101 flanges possess the required mechanical properties and resistance to corrosion, making them suitable for various industrial applications.
Various Types
Duplex 2101 Blind Flange
- Dimensions: 1" to 48" (Various Sizes)
- Condition: Hot Finished / Cold Finished
- Applications: Oil & Gas, Chemical Processing
Duplex 2101 Slip-On Flange
- Dimensions: 1" to 24" (Various Sizes)
- Condition: Annealed
- Applications: Piping Systems, Water Treatment
Duplex 2101 Weld Neck Flange
- Dimensions: 2" to 36" (Various Sizes)
- Condition: As Welded
- Applications: High Pressure Systems, Industrial Applications
Duplex 2101 Socket Weld Flange
- Dimensions: 1/2" to 12" (Various Sizes)
- Condition: Pickled and Passivated
- Applications: Power Generation, Marine 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 2101 Flanges
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex 2101 | 3 mm | $2.50 – $3.00 | ₹207 – ₹248 |
| Duplex 2101 | 6 mm | $2.70 – $3.20 | ₹224 – ₹265 |
| Duplex 2101 | 10 mm | $3.00 – $3.50 | ₹248 – ₹290 |
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 2101 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.
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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