Duplex Flanges price Saudi Arabia
Duplex Flanges price Saudi Arabia remains a critical consideration for industries seeking durable and corrosion-resistant piping components. Manufactured from duplex stainless steel, these flanges combine the favorable properties of austenitic and ferritic stainless steels, offering excellent strength and superior resistance to chloride stress corrosion cracking. Typically, these flanges are available in various types such as weld neck, slip-on, blind, and threaded, catering to diverse industrial needs.
Renowned for their high tensile strength and toughness, these flanges are often specified in chemical processing, oil and gas, petrochemical, and marine applications. Their duplex structure provides enhanced durability in harsh environments, making them suitable for handling aggressive media and high-pressure systems. The material grade commonly used includes ASTM A182 F51 and F55, which comply with international standards to ensure reliability and performance.
Precision manufacturing and adherence to stringent quality control processes ensure that these components meet global specifications such as ANSI, ASME, and API. They are designed to withstand extreme temperatures and corrosive conditions, which is essential for industrial operations in Saudi Arabia’s demanding climate and operational environments. Additionally, their compatibility with various piping systems makes them a versatile choice for engineers and procurement specialists.
For exporters, these flanges are prepared to meet international shipping standards, including proper packaging, certification, and traceability documentation. This export readiness facilitates smooth logistical operations and compliance with import regulations in target markets worldwide. Industrial buyers can thus rely on timely delivery and product integrity when sourcing from manufacturers in Saudi Arabia.
Overall, investing in high-quality duplex stainless steel flanges ensures long-term operational efficiency and cost savings by reducing maintenance needs and downtime. Companies looking to optimize their pipeline infrastructure would benefit from evaluating supplier offerings based on material certification, flange type, and compliance with industry standards to secure the best value and performance.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Duplex Flanges price Saudi Arabia 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 Flanges price Saudi Arabia
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Duplex Flanges price Saudi Arabia
- 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 Flanges price Saudi Arabia
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 Flanges price Saudi Arabia
| 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 Flanges
- ✔ High corrosion resistance
- ✔ Excellent mechanical properties
- ✔ Cost-effective solution for various applications
- ✔ Suitable for high-pressure environments
- ✔ Enhanced durability in harsh environments
- ✔ Wide range of sizes and thicknesses available
Technical Overview of Duplex Flanges
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Duplex 2205 Flanges | Fe, Cr (22%), Ni (5%), Mo (3%), N (0.14%) | Used in high-strength applications, offshore and chemical processing industries | ASTM A182, ASME SA182 |
| Duplex 2507 Flanges | Fe, Cr (25%), Ni (7%), Mo (4%), N (0.3%) | Ideal for marine environments and pipelines handling aggressive media | ASTM A240, ASME SA240 |
| Duplex S31803 Flanges | Fe, Cr (22%), Ni (5%), Mo (3%), N (0.17%) | Commonly used in oil and gas industries, and water treatment facilities | ASTM A479, ASME SA479 |
Specifications Table
| Material | Duplex Stainless Steel |
|---|---|
| Grades | UNS S32205, UNS S31803 |
| Standard | ASME B16.5, ASTM A182 |
| Size Range | 1/2" to 24" |
| Length | Customizable |
| Form | Blind, Slip-on, Weld Neck, Threaded |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| Duplex 2205 | 22% Chromium, 5% Nickel, 3% Molybdenum | Oil and gas, chemical processing, marine applications |
| Duplex 2507 | 25% Chromium, 7% Nickel, 4% Molybdenum | Desalination plants, offshore oil and gas platforms |
| Super Duplex 2507 | 25% Chromium, 7% Nickel, 4% Molybdenum, 0.6% Nitrogen | High chloride environments, petrochemical industries |
| Duplex 31803 | 22% Chromium, 5.5% Nickel, 3% Molybdenum | Marine architecture, pulp and paper industry |
| Duplex 32750 | 25% Chromium, 6% Nickel, 0.3% Nitrogen | Seawater handling, high-stress environments |
Available Sizes of Duplex Flanges (MM)
| Size (MM) | Size (MM) |
|---|---|
| 15 | 15 |
| 20 | 20 |
| 25 | 25 |
| 32 | 32 |
| 40 | 40 |
| 50 | 50 |
| 65 | 65 |
| 80 | 80 |
| 100 | 100 |
| 150 | 150 |
Chemical Properties of Duplex Stainless Steel
| Element | Composition (%) |
|---|---|
| Iron (Fe) | 60.0 - 70.0 |
| Chromium (Cr) | 18.0 - 28.0 |
| Nickel (Ni) | 4.5 - 8.0 |
| Molybdenum (Mo) | 2.5 - 4.0 |
| Manganese (Mn) | 1.0 - 3.0 |
| Silicon (Si) | 0.5 - 1.5 |
| Carbon (C) | 0.03 max |
| Phosphorus (P) | 0.03 max |
Mechanical Properties of Duplex Stainless Steel Flanges
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 620 - 850 |
| Yield Strength (MPa) | 450 - 600 |
| Elongation (%) | 25 - 40 |
| Hardness (HB) | 250 - 300 |
| Impact Toughness (J) | ≥ 40 (at -50°C) |
Duplex Flanges – Physical & Thermal Properties
Density of Duplex Flanges
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.8 g/cm³ | 0.282 lb/in³ |
Melting Point of Duplex Flanges
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1400 - 1450 °C | 2552 - 2642 °F |
Specific Heat of Duplex Flanges
| Specific Heat of Duplex Flanges | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Solid |
| 600 | 100 - 500 | Solid |
| 700 | 500 - 1000 | Solid |
Electrical Resistivity of Duplex Flanges
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 0.72 | 20 | As-Fabricated |
| 0.75 | 100 | |
| 0.78 | 200 | |
| 0.80 | 300 | |
| 0.82 | 400 | |
Equivalent of Duplex Flanges
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| ASTM A182 | 1.4462 | S32205 |
| ASTM A240 | 1.4501 | S32750 |
Manufacturing Process & Heat Treatment of Duplex Flanges
Annealing
Annealing of duplex flanges involves heating the material to a temperature range of 1000-1100°C, followed by controlled cooling. This process helps to relieve stresses, improve ductility, and refine the microstructure, ensuring optimal performance in service.
Forging
The forging process for duplex flanges is typically done at temperatures ranging from 900-1200°C. This hot working process enhances the mechanical properties of the steel, resulting in improved strength and toughness, while also ensuring a refined grain structure.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1020-1100 | Oil or Water | To increase hardness and strength |
| Tempering | 300-600 | Air | To reduce brittleness and improve toughness |
| Stress Relieving | 650-750 | Air | To relieve residual stresses from welding and machining |
In conclusion, the manufacturing and heat treatment processes for duplex flanges are critical in ensuring the components meet the stringent requirements for strength, corrosion resistance, and durability needed in various industrial applications.
Various Types
Duplex Stainless Steel Flanges
- Dimensions: 1" to 36" (DN25 to DN900)
- Condition: Hot Finished and Cold Finished
- Applications: Oil and Gas, Chemical Processing, Marine Applications
Super Duplex Flanges
- Dimensions: 1" to 24" (DN25 to DN600)
- Condition: As Forged and Machined
- Applications: High-Pressure Applications, Desalination Plants
Duplex Blind Flanges
- Dimensions: 1" to 30" (DN25 to DN750)
- Condition: ASTM A182, ASME B16.5
- Applications: Pipeline End Caps, Pressure Vessels
Duplex Weld Neck Flanges
- Dimensions: 1" to 48" (DN25 to DN1200)
- Condition: Pickled and Passivated
- Applications: Heavy Duty Piping Systems, High-Temperature Services
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 Flanges
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Duplex Flanges | 3 mm | $5.00 – $5.50 | ₹410 – ₹450 |
| Duplex Flanges | 6 mm | $5.20 – $5.70 | ₹425 – ₹465 |
| Duplex Flanges | 10 mm | $5.50 – $6.00 | ₹450 – ₹490 |
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 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.
People Also Search For
- Duplex Steel Flanges Suppliers in Saudi Arabia
- Duplex Flanges Price Comparison in Saudi Arabia
- Stainless Steel Flanges Price in Saudi Arabia
- Duplex Flanges Manufacturers in Saudi Arabia
- Flange Types and Prices in Saudi Arabia
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