Duplex 2101 Flanges exporter in Indonesia
Duplex 2101 Flanges exporter in Indonesia offers high-quality stainless steel flanges known for their excellent corrosion resistance and mechanical strength. Manufactured from Duplex 2101 stainless steel, these flanges combine the benefits of austenitic and ferritic grades, providing superior performance in aggressive environments. Their balanced microstructure ensures enhanced durability, making them suitable for critical industrial applications.
These flanges are available in various types such as weld neck, slip-on, blind, and threaded, catering to diverse piping system requirements. The Duplex 2101 material is characterized by its high chromium, nickel, and molybdenum content, which contributes to its resistance against chloride stress corrosion cracking and pitting. This makes the flanges ideal for use in chemical processing, petrochemical, marine, and offshore industries.
Precision manufacturing ensures that the flanges meet stringent international standards including ASTM A182 and ASME B16.5, guaranteeing compatibility and safety in high-pressure and high-temperature environments. The mechanical properties, such as tensile strength and yield strength, are optimized to withstand demanding operational conditions, while maintaining excellent weldability and formability.
Indonesia's strategic location and developed port infrastructure facilitate efficient export processes, allowing timely delivery to global markets. Exporters focus on thorough quality assurance, including third-party inspections and certification, to ensure that the products comply with international specifications. This commitment to quality and export readiness makes these Duplex 2101 flanges a reliable choice for industrial buyers 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 Indonesia 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 Indonesia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex 2101 Flanges exporter in Indonesia
- 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 Indonesia
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 Indonesia
| 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 a variety of environments
- ✔ High strength and durability, suitable for demanding applications
- ✔ Cost-effective solution compared to higher alloyed stainless steels
- ✔ Good weldability and formability for ease of installation
- ✔ Balanced mechanical properties at both ambient and elevated temperatures
- ✔ Compliance with international standards for quality and safety
Technical Overview of Duplex 2101 Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2101 Flanges | Fe, Cr (19-21%), Ni (2-4%), Mo (0.5-1%), N (0.1-0.2%) | Used in piping systems for oil and gas, chemical processing, and wastewater treatment | ASTM A240, ASTM A182, ASME SA240 |
| Duplex 2101 Flanges | Fe, Cr (19-21%), Ni (2-4%), Mo (0.5-1%), N (0.1-0.2%) | Suitable for high strength and corrosion resistance applications | ISO 15156, NACE MR0175 |
| Duplex 2101 Flanges | Fe, Cr (19-21%), Ni (2-4%), Mo (0.5-1%), N (0.1-0.2%) | Commonly used in marine environments and industrial applications | EN 10088-3, ASTM A240 |
Specifications Table
| Material | Duplex 2101 |
|---|---|
| Grades | UNS S32101 |
| Standard | ASTM A240/A240M |
| Size Range | 1/2" to 24" |
| Length | Customizable |
| Form | Flanges |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2101 Flanges | Fe, Cr (18-20%), Ni (1-4%), Mo (0.08-0.3%), N (0.1-0.2%) | Oil and gas, Chemical processing, Marine applications |
| Duplex 2101 Flanges | Fe, Cr (20-22%), Ni (1-3%), Mo (0.5-1%), N (0.1-0.2%) | Water treatment, Pulp and paper, Heat exchangers |
| Duplex 2101 Flanges | Fe, Cr (18-22%), Ni (1.5-3%), Mo (0.1-0.5%), N (0.1-0.15%) | Structural components, Pressure vessels, Storage tanks |
| Duplex 2101 Flanges | Fe, Cr (19-21%), Ni (2-4%), Mo (0.2-0.6%), N (0.1-0.3%) | Pharmaceuticals, Food processing, Desalination plants |
| Duplex 2101 Flanges | Fe, Cr (22-24%), Ni (1-3%), Mo (0.3-1%), N (0.15-0.25%) | Hydrocarbon processing, Petrochemical industries, Energy sector |
Available Sizes of Duplex 2101 Flanges (MM)
| Size (MM) | Size (MM) |
|---|---|
| 25 | 50 |
| 32 | 65 |
| 40 | 80 |
| 50 | 100 |
| 65 | 125 |
| 80 | 150 |
| 100 | 200 |
| 125 | 250 |
| 150 | 300 |
| 200 | 400 |
Chemical Properties of Duplex 2101
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 20.0 - 22.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 0.2 - 0.5 |
| Manganese (Mn) | 4.5 - 6.5 |
| 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 | 600 MPa |
| Yield Strength | 450 MPa |
| Elongation | 25% |
| Hardness (Brinell) | 230 HB |
| Impact Strength (Charpy) | 50 J at -40°C |
Duplex 2101 – Physical & Thermal Properties
Density of Duplex 2101
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.1 g/cm³ | 0.256 lb/in³ |
Melting Point of Duplex 2101
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1450 - 1500 °C | 2642 - 2732 °F |
Specific Heat of Duplex 2101
| Specific Heat of Duplex 2101 | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 600 | 100 - 500 | High Temperature |
| 700 | 500 - 1000 | Very High Temperature |
Electrical Resistivity of Duplex 2101
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 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 | 1.4162 | S32101 |
| ASTM A240 | 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 1000-1100°C, followed by a controlled cooling process. This treatment helps to relieve internal stresses, enhance ductility, and improve the overall mechanical properties of the material.
Forging
Forging of Duplex 2101 flanges is typically performed at a temperature range of 1000-1200°C. This process involves shaping the material under high pressure, which refines the grain structure, enhances strength, and improves toughness. The forged flanges are then allowed to cool gradually to maintain their structural integrity.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1050-1150 | Oil | To increase hardness and strength through rapid cooling. |
| Tempering | 600-800 | Air | To reduce brittleness and improve toughness after hardening. |
| Stress Relieving | 300-500 | Air | To relieve residual stresses introduced during fabrication. |
The manufacturing and heat treatment processes for Duplex 2101 flanges are critical in achieving the desired mechanical properties and ensuring durability in various applications. Proper adherence to these practices guarantees high-quality products that meet international standards.
Various Types
Duplex 2101 Slip-On Flanges
- Dimensions: 1" to 24" NPS
- Condition: As per ASTM A182
- Applications: Oil & Gas, Chemical Processing
Duplex 2101 Weld Neck Flanges
- Dimensions: 1" to 30" NPS
- Condition: As per ASTM A182
- Applications: Marine, Pulp & Paper
Duplex 2101 Blind Flanges
- Dimensions: 1" to 36" NPS
- Condition: As per ASTM A182
- Applications: Water Treatment, Heat Exchangers
Duplex 2101 Socket Weld Flanges
- Dimensions: 1" to 12" NPS
- Condition: As per ASTM A182
- Applications: Industrial Piping, HVAC Systems
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 | $2.70 – $3.20 | ₹224 – ₹265 |
| Duplex 2101 | 10 mm | $3.00 – $3.50 | ₹248 – ₹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