Duplex 2101 Pipe manufacturer
Duplex 2101 Pipe manufacturer offers high-quality stainless steel pipes known for their exceptional corrosion resistance and mechanical strength. These pipes are fabricated from Duplex 2101 stainless steel, a lean duplex alloy that combines the benefits of austenitic and ferritic stainless steels, making it ideal for demanding industrial environments. Engineers and procurement specialists rely on these pipes for their durability and cost-effectiveness in various applications.
Constructed to meet stringent ASTM and ASME standards, the pipes typically feature a balanced microstructure with approximately 25% chromium, 7% nickel, and low carbon content, enhancing their resistance to pitting and stress corrosion cracking. The duplex nature provides higher yield strength compared to standard austenitic grades, allowing for thinner walls and reduced weight without compromising performance. Available in seamless and welded forms, these pipes come in various dimensions and thicknesses tailored to client specifications.
Industries such as chemical processing, oil and gas, marine, and desalination plants extensively utilize these stainless steel pipes due to their excellent resistance to chloride-induced corrosion and high temperatures. Their robust properties make them suitable for transporting aggressive fluids, high-pressure applications, and environments where mechanical stress and corrosion risks are prevalent. This versatility ensures reliable operation and extended service life in critical infrastructure projects.
Manufacturers focusing on export readiness ensure that all pipes undergo rigorous quality control, including non-destructive testing, dimensional inspections, and certification compliance to international standards like ISO and PED. Packaging solutions are designed to protect the pipes during long-distance shipping, with careful handling to prevent surface damage. This commitment to quality and logistics support makes these stainless steel products a preferred choice for global industrial buyers seeking durability and compliance.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex 2101 Pipe 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 2101 Pipe manufacturer
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2101 Pipe 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 2101 Pipe 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 2101 Pipe 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 2101 Pipe
- ✔ High strength and excellent corrosion resistance
- ✔ Dual-phase microstructure for improved mechanical properties
- ✔ Cost-effective alternative to higher alloyed duplex stainless steels
- ✔ Excellent weldability and formability
- ✔ Good resistance to pitting and crevice corrosion
- ✔ Suitable for a wide range of applications, including chemical processing and oil & gas industries
Technical Overview of Duplex 2101 Pipe
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2101 Pipe | 22% Cr, 5% Ni, 0.2% N, balance Fe | Oil and gas, chemical processing, marine environments | ASTM A790, ASME SA790 |
| Duplex 2101 Pipe | 22% Cr, 5% Ni, 0.2% N, balance Fe | Water treatment, pulp and paper, power generation | EN 10216-5, ISO 3183 |
| Duplex 2101 Pipe | 22% Cr, 5% Ni, 0.2% N, balance Fe | Construction, fabrication, and structural applications | API 5L, ASTM A53 |
Specifications Table
| Material | Duplex Stainless Steel 2101 |
|---|---|
| Grades | UNS S32101 |
| Standard | ASTM A789 / A790 |
| Size Range | 1/2" to 24" (NPS) |
| Length | Random lengths up to 40 feet |
| Form | Seamless and Welded |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2101 Pipe | Fe, 21% Cr, 0.1% C, 2.5% Ni, 4.5% Mo | Oil and gas, chemical processing, marine applications |
| Duplex 2101 Seamless Pipe | Fe, 22% Cr, 0.1% C, 2.5% Ni, 4.5% Mo | Pressure vessels, heat exchangers, offshore structures |
| Duplex 2101 Welded Pipe | Fe, 22% Cr, 0.1% C, 2.5% Ni, 4.5% Mo | Water treatment, pulp and paper, petrochemical |
| Duplex 2101 ERW Pipe | Fe, 21% Cr, 0.1% C, 2.5% Ni, 4.5% Mo | Marine applications, wastewater treatment, construction |
| Duplex 2101 Pipe Fittings | Fe, 21% Cr, 0.1% C, 2.5% Ni, 4.5% Mo | Industrial piping systems, chemical processing |
Available Sizes of Duplex 2101 Pipe (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 - 1.5 |
| Iron (Fe) | Balance |
| Manganese (Mn) | 5.0 - 8.0 |
| Silicon (Si) | ≤ 1.0 |
| Carbon (C) | ≤ 0.03 |
| Sulfur (S) | ≤ 0.01 |
Mechanical Properties of Duplex 2101
| Property | Value |
|---|---|
| Tensile Strength | 450 MPa (65 ksi) |
| Yield Strength | 220 MPa (32 ksi) |
| Elongation | 25% |
| Hardness | 160 HB |
| Impact Toughness | ≥ 40 J at -40°C |
Duplex 2101 Pipe – Physical & Thermal Properties
Density of Duplex 2101 Pipe
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.5 g/cm³ | 0.27 lb/in³ |
Melting Point of Duplex 2101 Pipe
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1420 - 1450 °C | 2600 - 2640 °F |
Specific Heat of Duplex 2101 Pipe
| Specific Heat of Duplex 2101 Pipe | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Solid |
| 600 | 100 - 300 | Solid |
| 700 | 300 - 600 | Solid |
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 Pipe
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| EN 1.4162 | Ferritic-Austenitic Stainless Steel | S32101 |
| AISI 2101 | 1.4162 | S32101 |
Manufacturing Process & Heat Treatment of Duplex 2101 Pipe
Annealing
Annealing of Duplex 2101 pipes involves heating the material to a temperature range of 1000°C to 1100°C, followed by controlled cooling. This process is essential to relieve internal stresses, enhance ductility, and improve the overall microstructure of the steel, making it suitable for subsequent forming operations.
Forging
The forging process for Duplex 2101 pipes is conducted at temperatures between 1100°C and 1200°C. This method enhances the mechanical properties of the steel by refining the grain structure and ensuring uniformity throughout the material. The forged pipes are then cooled at room temperature to preserve their integrity and strength.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020 - 1080 | Water or Oil | To increase hardness and strength of the material. |
| Tempering | 600 - 800 | Air | To reduce brittleness and achieve desired toughness. |
| Stabilization | 700 - 900 | Air | To enhance corrosion resistance and optimize microstructure. |
The combination of these processes ensures that Duplex 2101 pipes exhibit excellent mechanical properties, corrosion resistance, and durability, making them ideal for various industrial applications.
Various Types
Duplex 2101 Seamless Pipe
- Diameter: 1/2" to 24"
- Condition: Hot Finished
- Applications: Oil and Gas, Chemical Processing
Duplex 2101 Welded Pipe
- Diameter: 1" to 36"
- Condition: Cold Drawn
- Applications: Water Treatment, Pulp and Paper
Duplex 2101 Square Pipe
- Dimensions: 50mm x 50mm to 200mm x 200mm
- Condition: Annealed
- Applications: Structural, Fabrication
Duplex 2101 Rectangular Pipe
- Dimensions: 100mm x 50mm to 300mm x 150mm
- Condition: Pickled and Passivated
- Applications: Marine Applications, Construction
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 Pipe
| 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 Pipe.
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