Duplex 2101 Flanges exporter in Singapore
Duplex 2101 Flanges exporter in Singapore offers high-quality, corrosion-resistant flanges designed for demanding industrial applications. Manufactured from Duplex 2101 stainless steel, these flanges provide an excellent balance of strength and resistance to chloride stress corrosion cracking, making them ideal for use in harsh environments. The material's duplex microstructure combines austenitic and ferritic phases, delivering superior mechanical properties and durability compared to standard stainless steels.
These flanges come in various types, including weld neck, slip-on, blind, and threaded configurations, catering to diverse piping system requirements. Precision-engineered to meet international standards such as ASTM A182 and ASME B16.5, they ensure reliable performance in high-pressure and high-temperature settings. The enhanced toughness of these products makes them suitable for critical sectors like oil and gas, chemical processing, desalination plants, and marine applications.
With a focus on export readiness, suppliers in Singapore maintain stringent quality control measures and provide comprehensive documentation, including material test reports and certification compliance. This attention to detail supports seamless customs clearance and integration into global supply chains. Additionally, packaging is optimized to protect the integrity of the flanges during transit, minimizing the risk of damage or corrosion before delivery.
Industrial buyers can expect flanges that not only meet rigorous technical specifications but also offer cost-effective solutions due to the duplex steel's enhanced lifespan and reduced maintenance requirements. The combination of corrosion resistance and mechanical strength reduces downtime and extends the service life of piping systems, contributing to overall operational efficiency.
Choosing a reliable supplier in Singapore ensures access to timely shipments and technical support tailored to project needs. Whether for new installations or maintenance, these duplex steel flanges provide the robustness and reliability essential for critical infrastructure and industrial processes worldwide.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex 2101 Flanges exporter in Singapore 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 Singapore
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2101 Flanges exporter in Singapore
- 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 Singapore
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 Singapore
| 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 resistance to pitting and crevice corrosion
- ✔ High strength and durability, making it ideal for various applications
- ✔ Cost-effective alternative to higher grade duplex and super duplex stainless steels
- ✔ Good weldability and formability, suitable for complex shapes
- ✔ Exceptional mechanical properties at elevated temperatures
- ✔ Environmentally friendly, as it is 100% recyclable
Technical Overview of Duplex 2101 Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2101 Flanges | 22% Cr, 2.5% Ni, 0.1% N, balance Fe | Used in piping systems, pressure vessels, and heat exchangers | ASTM A240, ASTM A182 |
| Duplex 2101 Flanges | 22% Cr, 2.5% Ni, 0.1% N, balance Fe | Ideal for applications requiring high strength and corrosion resistance | ASME B16.5, EN 10088-1 |
| Duplex 2101 Flanges | 22% Cr, 2.5% Ni, 0.1% N, balance Fe | Commonly used in oil and gas, chemical processing, and marine industries | ISO 15156, NACE MR0175 |
Specifications Table
| Material | Duplex 2101 Stainless Steel |
|---|---|
| Grades | UNS S32101 |
| Standard | ASTM A240 / A479 |
| Size Range | 1/2" to 24" |
| Length | Custom Lengths Available |
| Form | Flanges |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2101 Flanges | Fe, Cr (18-20%), Ni (3-5%), Mo (0.5-1.5%), N (0.08-0.2%) | Oil and gas industry, chemical processing, marine applications |
| Duplex 2101 Flanges | Fe, Cr (19%), Ni (1.5%), Mo (0.6%), N (0.1%) | Construction, water treatment plants, heat exchangers |
| Duplex 2101 Flanges | Fe, Cr (20%), Ni (4%), Mo (1%), N (0.15%) | Desalination plants, pulp and paper industry |
| Duplex 2101 Flanges | Fe, Cr (18%), Ni (5%), Mo (1%), N (0.2%) | Pharmaceutical applications, petrochemical industries |
| Duplex 2101 Flanges | Fe, Cr (19%), Ni (3%), Mo (0.8%), N (0.1%) | Food processing, wastewater treatment |
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) | 0.3 - 0.8 |
| Manganese (Mn) | 5.0 - 7.0 |
| Silicon (Si) | 0.5 max |
| Carbon (C) | 0.03 max |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.01 max |
Mechanical Properties of Duplex 2101
| Property | Value |
|---|---|
| Tensile Strength | 450 MPa |
| Yield Strength | 300 MPa |
| Elongation | 25% |
| Hardness (HB) | 200 |
| Impact Toughness (Charpy V-notch) | 50 J |
Duplex 2101 Flanges – Physical & Thermal Properties
Density of Duplex 2101 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.0 g/cm³ | 0.25 lb/in³ |
Melting Point of Duplex 2101 Flanges
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1400 - 1450 °C | 2552 - 2642 °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 |
| 450 | 100 - 400 | Heating |
| 600 | 400 - 800 | High Temperature |
Electrical Resistivity of Duplex 2101
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.73 | 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 | Duplex 2101 | S32101 |
| AISI 2101 | Duplex 2101 | S32101 |
Manufacturing Process & Heat Treatment of Duplex 2101 Flanges
Annealing
Annealing of Duplex 2101 flanges is performed to relieve internal stresses and improve ductility. The process involves heating the flanges to a temperature range of 950°C to 1050°C, followed by slow cooling. This treatment enhances the microstructure, ensuring uniformity and reducing the risk of cracking during subsequent processing.
Forging
The forging of Duplex 2101 flanges is conducted using hot working techniques. The material is heated to approximately 1100°C and then mechanically deformed to achieve the desired shape and dimensions. This process improves the mechanical properties of the flanges by refining the grain structure and enhancing strength.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1050 - 1150 | Water or Oil | Increase hardness and strength |
| Tempering | 600 - 800 | Air | Reduce brittleness and improve toughness |
| Stress Relieving | 300 - 600 | Air | Relieve internal stresses from machining |
The manufacturing and heat treatment processes of Duplex 2101 flanges are critical in ensuring their performance and longevity in various industrial applications. Proper adherence to these practices guarantees high-quality products suitable for global markets.
Various Types
Duplex 2101 Slip-On Flange
- Dimensions: 1" to 24" diameter
- Condition: ASTM A240 / A182
- Applications: Oil & gas, Chemical processing
Duplex 2101 Weld Neck Flange
- Dimensions: 1.5" to 30" diameter
- Condition: ASTM A240 / A182
- Applications: Power generation, Water treatment
Duplex 2101 Blind Flange
- Dimensions: 2" to 36" diameter
- Condition: ASTM A240 / A182
- Applications: Pipeline isolation, Reactor vessels
Duplex 2101 Socket Weld Flange
- Dimensions: 1" to 12" diameter
- Condition: ASTM A240 / A182
- Applications: High-pressure systems, Piping connections
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 – ₹260 |
| Duplex 2101 | 10 mm | $3.00 – $3.50 | ₹250 – ₹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