Duplex 2101 Pipe
Duplex 2101 Pipe is manufactured to meet stringent ASTM A789 standards, ensuring high corrosion resistance and mechanical strength for industrial applications.
Its balanced duplex microstructure offers superior performance in chemical processing and offshore environments, complying with UNS S32101 grade specifications.
Comprehensive non-destructive testing and dimensional inspections are conducted to guarantee quality before export, adhering to international packaging and logistics protocols.
Suppliers ensure secure packaging to prevent damage during transit, facilitating seamless delivery to global clients in sectors requiring reliable, high-grade tubular products.
Global Delivery & Export Assurance
Trusted by EPC contractors, OEMs, and industrial buyers in 40+ countries
β± Fast Lead Time
2β7 weeks depending on size & specification
Expedited production available on requestπ¦ Flexible Delivery Terms
FOB, CIF, CFR, DDP (Incoterms 2020)
Door-to-port and door-to-door optionsβοΈ Global Shipping
Sea Freight / Air Cargo / Express Courier
Export documentation & tracking includedRequest Export Pricing for Duplex 2101 Pipe
Trusted by EPC contractors, procurement teams, and global industrial buyers across 50+ countries for certified supply and on-time delivery.
Manufacturer Pricing
Factory-direct rates with bulk stock availability to reduce your total landed cost.
International Certifications
ISO, EN 10204 3.1, SGS & TPI approved with mill test certificates on every shipment.
Export-Ready Packaging
Sea-worthy, container-ready packaging for safe international transit and on-time delivery.
Table of Contents
- 1. What is Duplex 2101 Pipe
- 2. Why Choose Ragnar Pipe and Tube
- 3. Export Delivery & Lead Time Information
- 4. How to Choose the Right Manufacturer
- 5. Comparison of Duplex 2101 Pipe
- 6. Why Global Buyers Source from Ragnar Metal and Tube
- 7. Features
- 8. Technical Overview
- 9. Specifications
- 10. Available Grades
- 11. Available Sizes
- 12. Chemical Properties
- 13. Mechanical Properties
- 14. Physical & Thermal Properties
- 15. Electrical Resistivity
- 16. Equivalent Grades
- 17. Manufacturing Process & Heat Treatment
- 18. Various Types
- 19. Applications & Uses
- 20. Industries We Serve
- 21. Latest Price List
- 22. MOQ & Payment Terms
- 23. Export Packaging & Shipping
- 24. Cities We Supply in India
- 25. Countries We Export Worldwide
- 26. Our Certifications
- 27. Quality Inspection & Testing
- 28. Our Other Product Types
- 29. People Also Search For
- 30. Frequently Asked Questions
- 31. About Ragnar Metal and Tube
How to Choose the Right Supplier for Duplex 2101 Pipe
Choosing the right supplier for Duplex 2101 Pipe plays a critical role in ensuring product quality, project safety, and long-term cost efficiency. With a wide range of manufacturers, stockists, and exporters operating across India, buyers must look beyond pricing and focus on reliability, certifications, and export readiness.
At Ragnar Metals & Tubes, we support global EPC contractors, procurement managers, and industrial buyers by delivering fully certified, traceable, and export-compliant metal products that meet international standards and country-specific import regulations.
- International standards compliance β ASTM, ASME, EN, ISO, and EN 10204 3.1 material test certification
- Verified manufacturing and sourcing β Direct mill supply, in-house processing, and strict quality inspections
- Inspection and export documentation β SGS, TPI, BV, and customs-ready paperwork for smooth international clearance
- Stock availability and delivery timelines β Reliable lead times for urgent, bulk, and project-based requirements
- Global project experience β Proven supply for oil & gas, EPC, petrochemical, power generation, and heavy engineering industries
Comparison Guide for Duplex 2101 Pipe
Understand the key differences between local suppliers, trading firms, and ISO-certified manufacturers to make informed sourcing decisions for international and domestic projects.
| Evaluation Factor | Small Local Suppliers | Trading Companies | ISO-Certified Manufacturers |
|---|---|---|---|
| Manufacturing Control | Limited in-house processing | Dependent on third-party mills | Full in-house production or audited partner facilities |
| International Standards | Basic or regional compliance | Varies by sourcing mill | ASTM, ASME, EN, ISO certified materials |
| Inspection & Certification | Limited documentation | Inconsistent MTC availability | EN 10204 3.1 / 3.2, SGS, TPI, BV support |
| Export & Logistics Experience | Low or domestic-only | Moderate international handling | Established exports to 50+ countries |
| Project Risk Level | High | Medium | Low |
For critical applications in oil & gas, EPC, power generation, marine, and infrastructure projects, buyers typically prioritize ISO-certified manufacturers to ensure compliance, traceability, and long-term performance.
Why Global Buyers Partner with Ragnar Metals & Tubes
Ragnar Metals & Tubes is a globally trusted manufacturer, stockist, and exporter of stainless steel, duplex steel, alloy steel, and high-performance piping solutions supporting EPC contractors, industrial plants, and infrastructure projects across the Middle East, Europe, Africa, Southeast Asia, and the Americas . Our strength lies in technical expertise, certified quality systems, and export-focused supply chains designed for long-term project reliability.
| Ragnar Advantage | How It Benefits You |
|---|---|
| ISO-Certified Quality Management Systems | Documented inspection, traceability, and process controls ensure consistent material performance and compliance. |
| ASTM, ASME & EN Standard Compliance | Internationally approved specifications with EN 10204 3.1 / 3.2 mill test certificates for project and regulatory acceptance. |
| Strategic Stockholding & Production Partnerships | Faster lead times and stable supply for shutdowns, expansions, and large-scale EPC requirements. |
| Global Export & Documentation Expertise | Complete handling of COO, HS codes, packing lists, invoices, and third-party inspections for smooth customs clearance. |
| In-House & Third-Party Quality Verification | Chemical, mechanical, and dimensional testing supported by SGS, TPI, BV, and client-nominated agencies. |
| Custom Manufacturing & Project-Based Supply | Drawing-based production, special lengths, and grade substitutions engineered to match site and design requirements. |
| Export-Grade Packaging & Container Planning | Sea-worthy packing, fumigated pallets, and optimized container loading to minimize transit damage and logistics costs. |
| Multi-Industry Project Experience | Proven supply for oil & gas, power generation, marine, petrochemical, water treatment, and heavy engineering sectors. |
| Responsive RFQ & Technical Support Team | Fast quotations, material selection guidance, and documentation support throughout the procurement lifecycle. |
| Established Global Supply Network | Reliable exports to 50+ countries with repeat buyers and long-term project partnerships. |
Key Features of Duplex 2101 Pipe
- β Excellent corrosion resistance in chloride environments
- β High strength-to-weight ratio, providing increased durability
- β Good weldability and formability for versatile applications
- β Cost-effective alternative to higher alloyed duplex stainless steels
- β Superior resistance to stress corrosion cracking
- β Suitable for a wide range of temperatures and pressures
Technical Overview of Duplex 2101 Pipe
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Pipes | 22% Cr, 5% Ni, 0.1% N, balance Fe | Used in oil and gas applications, particularly in sour environments | ASTM A790, EN 10216-5, UNS S32101 |
| Tubes | 22% Cr, 5% Ni, 0.1% N, balance Fe | Ideal for heat exchangers and pressure vessels | ASTM A789, EN 10217-7, UNS S32101 |
| Fittings | 22% Cr, 5% Ni, 0.1% N, balance Fe | Commonly used in piping systems requiring high strength and corrosion resistance | ASTM A815, EN 10253-4, UNS S32101 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | UNS S32101 |
| Standard | ASTM A789/A790 |
| Size Range | 1/2" to 24" (NPS) |
| Length | Standard lengths of 20 ft and 40 ft |
| Form | Seamless and Welded |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2101 Pipes | Fe, Cr (19-21%), Ni (2-3%), Mo (0.1-0.5%) | Oil and gas pipelines |
| Duplex 2101 Tubes | Fe, Cr (19-21%), Ni (2-3%), Mo (0.1-0.5%) | Heat exchangers |
| Duplex 2101 Fittings | Fe, Cr (19-21%), Ni (2-3%), Mo (0.1-0.5%) | Marine applications |
| Duplex 2101 Bars | Fe, Cr (19-21%), Ni (2-3%), Mo (0.1-0.5%) | Construction and structural components |
| Duplex 2101 Plates | Fe, Cr (19-21%), Ni (2-3%), Mo (0.1-0.5%) | Pressure vessels |
Available Sizes of Duplex 2101 Pipe (MM)
| Size (MM) | Size (MM) |
|---|---|
| 15 | 25 |
| 32 | 40 |
| 50 | 65 |
| 80 | 100 |
| 125 | 150 |
| 200 | 250 |
| 300 | 350 |
| 400 | 450 |
| 500 | 600 |
| 750 | 800 |
Chemical Properties of Duplex 2101 Pipe
| 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 |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.01 max |
Mechanical Properties of Duplex 2101 Pipe
| Property | Value |
|---|---|
| Tensile Strength | 500 MPa |
| Yield Strength | 300 MPa |
| Elongation | 25% |
| Hardness (HB) | 220 HB |
| Modulus of Elasticity | 200 GPa |
Duplex 2101 Pipe β Physical & Thermal Properties
Density of Duplex 2101 Pipe
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cmΒ³ | 0.28 lb/inΒ³ |
Melting Point of Duplex 2101 Pipe
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1400 - 1450 Β°C | 2552 - 2642 Β°F |
Specific Heat of Duplex 2101 Pipe
| Specific Heat of Duplex 2101 Pipe | ||
|---|---|---|
| Specific Heat (J/kgΒ·K) | Temperature Range (Β°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 600 | 100 - 500 | High Temperature |
| 700 | 500 - 1000 | Very High Temperature |
Electrical Resistivity of Duplex 2101 Pipe
| Electrical Resistivity | ||
|---|---|---|
| Value (¡Ω·m) | Temperature (°C) | Treatment or Condition |
| 0.77 | 20 | As-Received |
| 0.80 | 100 | |
| 0.83 | 200 | |
| 0.85 | 300 | |
| 0.88 | 400 | |
Equivalent of Duplex 2101 Pipe
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A240 | 1.4162 | S32101 |
| EN 10088-2 | X2CrNiMoN21-5-1 | S32101 |
Manufacturing Process & Heat Treatment of Duplex 2101 Pipe
Annealing
The annealing process for Duplex 2101 pipe involves heating the material to a temperature range of 950 to 1050 Β°C, followed by controlled cooling. This treatment helps to relieve internal stresses, improve ductility, and enhance the overall microstructure of the steel, ensuring optimal performance in various applications.
Forging
Forging of Duplex 2101 pipe is typically carried out at high temperatures, approximately between 1100 to 1200 Β°C. This process enhances the mechanical properties of the material by refining the grain structure and improving its strength and toughness. The forged product is then subjected to further processing to achieve the desired dimensions and surface finish.
Hardening & Tempering
| Process | Temperature Range (Β°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020 - 1100 | Water or Oil | Increase hardness and strength |
| Tempering | 600 - 800 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 300 - 600 | Air | Relieve residual stresses after hardening |
The manufacturing and heat treatment processes of Duplex 2101 pipe are critical in achieving the desired mechanical properties and ensuring its performance in various industrial applications. Proper adherence to these processes guarantees high quality and reliability in the final product.
Various Types
Duplex 2101 Pipe - Schedule 10
- Diameter: 2" - 24"
- Condition: Annealed
- Applications: Oil and Gas, Chemical Processing
Duplex 2101 Pipe - Schedule 40
- Diameter: 2" - 30"
- Condition: Pickled and Passivated
- Applications: Pulp and Paper, Marine Applications
Duplex 2101 Pipe - Schedule 80
- Diameter: 3" - 36"
- Condition: Hot Finished
- Applications: Water Treatment, Structural Applications
Duplex 2101 Pipe - Custom Sizes
- Diameter: Customizable
- Condition: As per requirement
- Applications: Specialized Industrial Applications
Applications & Uses of Stainless Steel and Alloy Products
- 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 Pipe
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex 2101 | 3 mm | $2.50 β $3.00 | βΉ207 β βΉ248 |
| Duplex 2101 | 6 mm | $2.60 β $3.10 | βΉ215 β βΉ256 |
| Duplex 2101 | 10 mm | $2.70 β $3.20 | βΉ224 β βΉ265 |
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 Pipe.
MOQ & Payment Terms for Metal Products
- Minimum Order Quantity (MOQ): Typically 25β100 Kg, depending on product type, dimensions, and material grade.
- Payment Terms: Flexible terms based on order volume, grade selection, and delivery location. Advance payment or mutually agreed commercial terms apply.
Steel Export Packaging & International Shipping Services from India
We provide professional steel export packaging and global shipping services from India, ensuring stainless steel and alloy steel products are securely packed, documented, and delivered to international ports including the Middle East, Europe, Africa, and Southeast Asia with full compliance to international trade and quality standards.
- Seaworthy Export Packing: Fumigated wooden crates with waterproof lining to protect steel products during ocean transit.
- Palletised & Marked Shipments: Heat number identification, batch labeling, and export documentation for traceability and customs clearance.
- Container Stuffing & Inspection: Supervised loading with photographs, weight checks, and final quality inspection before dispatch.
We Export Stainless Steel & Alloy Products 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 & Export Compliance Standards
We are a certified stainless steel and alloy steel manufacturer and global exporter from India, operating under internationally recognized quality, safety, and export compliance standards to ensure reliable supply for international buyers and industrial projects.
GST Registered Company β Government of India
ISO 9001:2015 β Quality Management System
ISO 1002:2018 - Quality Management System
Udyam Registration β MSME, Government of India
Testing Process & Quality Assurance β 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
- β EN 10204 3.1 / 3.2 Mill Test Certificates (MTC)
- β Batch-wise quality traceability and inspection records
- β Third-party inspection by SGS, TUV, Bureau Veritas & Lloydβs
- β 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
- Duplex 2205 Pipe
- Stainless Steel Pipe
- Super Duplex Pipe
- Nickel Alloy Pipe
- Carbon Steel Pipe
Frequently Asked Questions
About Ragnar Metals & Tubes
- β Leading manufacturer, stockist, and exporter of stainless steel and alloy steel products for industrial and infrastructure projects
- β ISO 9001:2015 certified quality management system ensuring consistent product reliability and compliance
- β Specialized in precision pipes, tubes, fittings, flanges, sheets, plates, fasteners, and round bars
- β Modern processing and testing facilities with advanced manufacturing and inspection equipment
- β Custom-engineered solutions based on client drawings and technical specifications
- β Full material traceability with EN 10204 3.1 / 3.2 mill test certification
- β Compliance with ASTM, ASME, DIN, EN, and ISO international standards
- β Trusted global supplier supporting oil & gas, petrochemical, power, marine, and heavy engineering industries