Duplex 2101 Flanges supplier Riyadh
Duplex 2101 Flanges supplier Riyadh offers high-quality, corrosion-resistant flanges specifically designed for demanding industrial environments. Manufactured from Duplex 2101 stainless steel, these flanges combine excellent strength with superior resistance to chloride-induced stress corrosion cracking, making them ideal for chemical processing, oil and gas, and marine applications. The duplex nature of the material ensures enhanced mechanical properties compared to standard austenitic stainless steels, providing both durability and reliability under harsh operating conditions.
These flanges come in a variety of types including weld neck, slip-on, blind, and threaded configurations, accommodating diverse piping system requirements. Precision-engineered to meet international standards such as ASTM A182 and ASME B16.5, the product range guarantees compatibility and safety in high-pressure and high-temperature environments. The balanced ferritic-austenitic microstructure of Duplex 2101 ensures excellent toughness and weldability, facilitating seamless integration into existing plant infrastructure.
Due to their excellent corrosion resistance and mechanical strength, these flanges are widely used in sectors such as petrochemical plants, desalination facilities, and offshore platforms. Their ability to withstand aggressive media and thermal cycling makes them a preferred choice for pipelines transporting seawater, hydrocarbons, and other corrosive fluids. Additionally, the flanges’ dimensional accuracy and surface finish contribute to leak-proof joints, reducing maintenance costs and downtime.
Suppliers based in Riyadh are well-equipped to handle bulk orders and provide export-ready packaging that complies with international shipping standards. This ensures safe delivery to global destinations without compromising product integrity. Documentation such as mill test reports, third-party inspection certificates, and material traceability is readily available, supporting quality assurance and regulatory compliance for industrial buyers worldwide.
Choosing a reputable supplier in Riyadh for Duplex 2101 flanges guarantees access to premium materials, expert technical support, and timely delivery schedules. This strategic sourcing approach enhances operational efficiency and supports long-term project success in challenging industrial sectors.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex 2101 Flanges supplier Riyadh 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 supplier Riyadh
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2101 Flanges supplier Riyadh
- 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 supplier Riyadh
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 supplier Riyadh
| 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-to-weight ratio, ensuring durability
- ✔ Good weldability and formability for ease of installation
- ✔ Cost-effective solution for various industrial applications
- ✔ Resistant to stress corrosion cracking
- ✔ Available in various sizes and specifications to meet customer needs
Technical Overview of Duplex 2101 Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2101 Flange | 22% Chromium, 5.5% Nickel, 3% Molybdenum | Used in chemical processing, oil and gas, and marine applications | ASTM A240, ASME SA240 |
| Duplex 2101 Flange | 22% Chromium, 5.5% Nickel, 3% Molybdenum | Ideal for high-stress environments and corrosive conditions | EN 10088-1, ISO 9445 |
| Duplex 2101 Flange | 22% Chromium, 5.5% Nickel, 3% Molybdenum | Suitable for pressure vessels and piping systems | API 605, NACE MR0175 |
Specifications Table
| Material | Duplex Stainless Steel 2101 |
|---|---|
| Grades | UNS S32101 |
| Standard | ASTM A182 / A240 |
| Size Range | 1/2" to 24" |
| Length | Customizable |
| Form | Flanges |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2101 Flanges | 22% Cr, 5% Ni, 0.15% N | Marine applications, chemical processing, oil & gas |
| Duplex 2101 Flanges | 22% Cr, 5% Ni, 0.2% N | Industrial piping systems, heat exchangers |
| Duplex 2101 Flanges | 22% Cr, 5.5% Ni, 0.18% N | Wastewater treatment, pulp and paper |
| Duplex 2101 Flanges | 22.5% Cr, 5.5% Ni, 0.15% N | Pharmaceutical equipment, desalination plants |
| Duplex 2101 Flanges | 23% Cr, 5% Ni, 0.16% N | Food processing, pressure vessels |
Available Sizes of Duplex 2101 Flanges (MM)
| Size (MM) | Size (MM) |
|---|---|
| 15 | 25 |
| 32 | 40 |
| 50 | 65 |
| 80 | 100 |
| 150 | 200 |
| 250 | 300 |
| 350 | 400 |
| 450 | 500 |
| 600 | 700 |
| 800 | 900 |
Chemical Properties of Duplex 2101
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 20.0 - 22.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 0.1 - 0.5 |
| Manganese (Mn) | 5.0 - 7.0 |
| Silicon (Si) | 0.5 - 1.0 |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.02 max |
| Iron (Fe) | Balance |
Mechanical Properties of Duplex 2101
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 500 - 700 |
| Yield Strength (MPa) | 300 - 450 |
| Elongation (%) | 25 |
| Hardness (HB) | 200 - 250 |
| Impact Toughness (J) | 40 (at -40°C) |
Duplex 2101 Flanges – Physical & Thermal Properties
Density of Duplex 2101 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Density | 7,600 kg/m³ | 474 lb/ft³ |
Melting Point of Duplex 2101 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1,350 - 1,450 °C | 2,462 - 2,642 °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 |
| 520 | 100 - 500 | Heating |
| 540 | 500 - 1,000 | High Temperature |
Electrical Resistivity of Duplex 2101
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.75 | 20 | As-rolled |
| 0.76 | 100 | |
| 0.77 | 200 | |
| 0.78 | 300 | |
| 0.79 | 400 | |
Equivalent of Duplex 2101
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| EN 1.4162 | Duplex 2101 | S32101 |
| AISI 2101 | Duplex 2101 | S32101 |
Manufacturing Process & Heat Treatment of Duplex 2101 Flanges
Annealing
Annealing of Duplex 2101 involves heating the flanges to a temperature range of 1020-1100°C, followed by controlled cooling. This process helps to relieve internal stresses, enhance ductility, and improve overall mechanical properties.
Forging
Forging of Duplex 2101 flanges is performed at temperatures between 1100-1200°C. This process enhances the microstructure, improves strength, and ensures a uniform distribution of alloying elements, which is critical for the durability of the flanges.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1000-1100 | Water or Oil | Increase hardness and strength |
| Tempering | 600-800 | Air | Reduce brittleness and enhance toughness |
| Stress Relieving | 500-600 | Air | Minimize residual stresses from fabrication |
The manufacturing and heat treatment processes for Duplex 2101 flanges are crucial in achieving the desired mechanical properties and ensuring high performance in various industrial applications.
Various Types
Duplex 2101 Slip-On Flanges
- Diameter: 1" to 48", Thickness: 1/4" to 2"
- Condition: Hot Rolled, Cold Worked
- Applications: Piping Systems, Oil and Gas, Marine
Duplex 2101 Weld Neck Flanges
- Diameter: 2" to 36", Thickness: 1/4" to 2"
- Condition: Annealed, Heat Treated
- Applications: High-Pressure Systems, Chemical Processing
Duplex 2101 Blind Flanges
- Diameter: 1" to 24", Thickness: 1" to 2"
- Condition: Standard, Custom
- Applications: Pipeline Isolation, Flange Closure
Duplex 2101 Socket Weld Flanges
- Diameter: 1/2" to 2", Thickness: Schedule 40, 80
- Condition: Cold Worked, Hot Finished
- Applications: High-Pressure Piping, Gas Distribution
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 | ₹210 – ₹250 |
| Duplex 2101 | 6 mm | $2.70 – $3.20 | ₹230 – ₹270 |
| Duplex 2101 | 10 mm | $3.00 – $3.50 | ₹250 – ₹300 |
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