Duplex 2101 Flanges exporter
Duplex 2101 Flanges exporter plays a crucial role in supplying high-performance flange solutions tailored for demanding industrial environments. These flanges are manufactured from Duplex 2101 stainless steel, a lean duplex alloy known for its excellent strength, corrosion resistance, and toughness. The material combines the advantages of austenitic and ferritic stainless steels, making it ideal for applications involving harsh chemicals, seawater, and high-pressure conditions.
Offering a comprehensive range of flange types including weld neck, slip-on, blind, and threaded flanges, manufacturers ensure compatibility with various piping systems. The Duplex 2101 grade provides superior resistance to chloride stress corrosion cracking and pitting, which is vital for industries such as oil and gas, chemical processing, and marine engineering. These flanges conform to international standards like ASME B16.5, ASTM A182, and DIN, ensuring reliable performance and easy integration into existing setups.
Export readiness is a key focus, with products undergoing stringent quality checks and certifications to meet global market requirements. Packaging is designed to protect the integrity of the flanges during transit, with clear documentation supporting customs clearance and traceability. Exporters typically maintain a robust supply chain and logistics network to guarantee timely delivery to international clients, emphasizing both product quality and service excellence.
The versatility and durability of Duplex 2101 flanges make them suitable for critical installations in power plants, desalination units, and petrochemical facilities. Their ability to withstand extreme temperatures and corrosive media ensures long service life and reduced maintenance costs, which are essential considerations for industrial buyers looking to optimize operational efficiency.
For industrial procurement departments seeking reliable flange solutions, partnering with an experienced exporter ensures access to premium materials, adherence to technical specifications, and comprehensive after-sales support. This strategic collaboration helps maintain seamless operations and meets the rigorous demands of modern industrial infrastructure projects worldwide.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex 2101 Flanges exporter 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
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2101 Flanges exporter
- 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
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
| 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 for various industrial applications
- ✔ High strength-to-weight ratio, making them ideal for weight-sensitive projects
- ✔ Good weldability and machinability for ease of fabrication
- ✔ Superior resistance to pitting and crevice corrosion
- ✔ Suitable for high-temperature applications, maintaining integrity under stress
- ✔ Cost-effective alternative to higher alloyed stainless steels
Technical Overview of Duplex 2101 Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2101 Flanges | Fe, 21% Cr, 0.2% Ni, 3.2% Mo | Used in piping systems for oil and gas, chemical processing, and marine applications | ASTM A240, ASTM A182 |
| Duplex 2101 Flanges | Fe, 21% Cr, 0.2% Ni, 3.2% Mo | Suitable for high strength and corrosion-resistant applications | ASME B16.5, EN 10204 |
| Duplex 2101 Flanges | Fe, 21% Cr, 0.2% Ni, 3.2% Mo | Ideal for environments with chlorides and sulfides | ISO 9001, NACE MR0175 |
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 | Blind Flanges, Flat Flanges, Raised Face Flanges |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2101 Flanges | Fe, 21% Cr, 5% Ni | Oil and gas, chemical processing |
| Duplex 2101 Flanges | Fe, 23% Cr, 3% Ni | Marine applications, pulp and paper |
| Duplex 2101 Flanges | Fe, 24% Cr, 6% Ni | Wastewater treatment, heat exchangers |
| Duplex 2101 Flanges | Fe, 22% Cr, 4% Ni | Power generation, desalination plants |
| Duplex 2101 Flanges | Fe, 20% Cr, 7% Ni | Food processing, pharmaceutical industry |
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) | 20.0 - 22.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 0.1 - 0.5 |
| Manganese (Mn) | 5.0 - 7.0 |
| Nitrogen (N) | 0.10 - 0.20 |
| Carbon (C) | 0.03 max |
| Silicon (Si) | 0.5 max |
| Iron (Fe) | Balance |
Mechanical Properties of Duplex 2101
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 550 - 750 |
| Yield Strength (MPa) | 350 - 450 |
| Elongation (%) | 25 |
| Hardness (HB) | 200 - 250 |
| Impact Toughness (J at -40°C) | ≥ 40 |
Duplex 2101 Flanges – Physical & Thermal Properties
Density of Duplex 2101 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.1 g/cm³ | 0.256 lb/in³ |
Melting Point of Duplex 2101 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1420 - 1450 °C | 2600 - 2640 °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 - 400 | Heating |
| 540 | 400 - 800 | High Temperature |
Electrical Resistivity of Duplex 2101
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.75 | 20 | As-rolled |
| 0.78 | 100 | |
| 0.80 | 200 | |
| 0.82 | 300 | |
| 0.85 | 400 | |
Equivalent of Duplex 2101
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| EN 1.4162 | 1.4162 | S32101 |
| AISI 2101 | 1.4162 | S32101 |
Manufacturing Process & Heat Treatment of Duplex 2101 Flanges
Annealing
The annealing process for Duplex 2101 flanges involves heating the material to a temperature range of 950°C to 1050°C. This process is essential to relieve internal stresses and enhance ductility, ensuring the flanges can withstand further processing and service conditions without failure.
Forging
Forging of Duplex 2101 flanges is conducted at elevated temperatures typically between 1100°C and 1200°C. This process improves the mechanical properties of the steel by refining its microstructure, resulting in enhanced strength and toughness. The forged flanges are then cooled gradually to prevent any cracking or distortion.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020°C - 1100°C | Water | To increase hardness and strength |
| Tempering | 400°C - 600°C | Air | To relieve stresses and improve toughness |
| Stabilization | 300°C - 400°C | Air | To enhance corrosion resistance and stability |
The combination of these manufacturing processes and heat treatments ensures that Duplex 2101 flanges exhibit excellent mechanical properties, corrosion resistance, and durability, making them suitable for various industrial applications.
Various Types
Duplex 2101 Slip-On Flanges
- Size: 1" to 24"
- Condition: ASTM A182 / A240
- Applications: Oil & Gas, Chemical Processing
Duplex 2101 Weld Neck Flanges
- Size: 1" to 36"
- Condition: ANSI B16.5
- Applications: Marine, Pulp & Paper
Duplex 2101 Blind Flanges
- Size: 1" to 30"
- Condition: ASME SA240
- Applications: Water Treatment, Power Generation
Duplex 2101 Socket Weld Flanges
- Size: 1/2" to 4"
- Condition: API 605
- Applications: HVAC, Industrial Piping
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 | $2.40 – $2.90 | ₹199 – ₹241 |
| Duplex 2101 | 10 mm | $2.30 – $2.80 | ₹192 – ₹232 |
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