Duplex 2205 Flanges
| Specification | Details |
|---|---|
| Product Name | Duplex 2205 Flanges |
| Material Grade | Duplex 2205 / UNS S31803 / UNS S32205 |
| Werkstoff Number | W.Nr. 1.4462 |
| Material Type | Duplex Stainless Steel |
| Chemical Composition | Chromium, Nickel, Molybdenum and Nitrogen alloyed stainless steel with controlled Carbon, Silicon, Manganese, Phosphorus and Sulfur |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Flange Standard | ASTM A182 / ASME SA182, as applicable |
| Dimensional Standard | ASME B16.5 / ASME B16.47, as applicable |
| Size | 1/2″ to 24″ or As per Customer Requirement |
| Pressure Class | Class 150 / 300 / 600 / 900 / 1500 / 2500, as applicable |
| Flange Type | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges |
| Connection Type | Flanged Connection |
| Facing Type | Raised Face / Flat Face / Ring Type Joint, as applicable |
| Bore Type | Standard Bore / Heavy Bore / Customized Bore |
| Surface Finish | Machined / Polished / As Specified |
| Heat Treatment | Solution Annealed / Quenched / As per Applicable Material Specification |
| Dimensions | As per ASME B16.5 / ASME B16.47 and Customer Requirements |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required |
| Tensile Strength | As per Applicable Duplex 2205 Material Specification and Condition |
| Yield Strength | As per Applicable Duplex 2205 Material Specification and Condition |
| Elongation | As per Applicable Material Standard |
| Density | Approximately 7.8 g/cm³ |
| Melting Range | Approximately 1350–1400°C |
| Corrosion Resistance | Excellent resistance to general corrosion and aggressive chloride-containing environments |
| Pitting Resistance | Excellent resistance to pitting and localized corrosion |
| Crevice Corrosion Resistance | Excellent resistance to crevice corrosion under suitable service conditions |
| Chloride Resistance | Excellent resistance to chloride-containing environments |
| Stress-Corrosion Resistance | Excellent resistance to chloride-induced stress-corrosion cracking |
| Acid Resistance | Good resistance to selected acids and corrosive chemical environments |
| High-Temperature Performance | Suitable for selected elevated-temperature applications within recommended service limits |
| Welding | Good weldability using appropriate duplex stainless steel welding procedures |
| Fabrication | Suitable for machining, forming and fabrication using appropriate duplex-specific procedures |
| Dimensional Accuracy | Precision dimensions according to applicable ASME standards |
| Available Forms | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges |
| Customization | Size, Flange Type, Pressure Class, Facing, Bore, Dimensions, Finish, Testing and Documentation |
| Inspection | Dimensional, Visual and Material Inspection as Required |
| Marking | Size, Grade, Standard, Class, Facing and Heat/Batch Identification as Applicable |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide Duplex 2205 Flanges Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Oil & Gas, Petrochemical, Chemical Processing, Marine, Desalination, Power Generation, Heat Exchangers, Pulp & Paper and Corrosive Process Piping |
1. Most Common Types of Duplex 2205 Flanges
| Type | Details |
|---|---|
| Duplex 2205 Weld Neck Flanges | Designed for strong welded connections and commonly used in high-pressure, high-temperature and corrosive piping systems. |
| Duplex 2205 Slip-On Flanges | Fits over the pipe and is welded in position for practical installation in suitable industrial piping applications. |
| Duplex 2205 Blind Flanges | Used to close pipe ends, equipment nozzles, vessels and other openings in process systems. |
| Duplex 2205 Socket Weld Flanges | Suitable for smaller-bore piping systems requiring a compact socket-weld connection. |
| Duplex 2205 Threaded Flanges | Provides a threaded connection where welding is not preferred and the piping arrangement permits threaded installation. |
| Duplex 2205 Lap Joint Flanges | Used with a compatible stub end where frequent dismantling or alignment flexibility is required. |
| Duplex 2205 Orifice Flanges | Used in flow measurement systems requiring an orifice plate arrangement. |
| Duplex 2205 Ring Type Joint Flanges | Features an RTJ facing for applications requiring a suitable high-integrity gasketed connection. |
| Duplex 2205 Raised Face Flanges | Provides a raised sealing surface for suitable gasketed piping and equipment connections. |
| Duplex 2205 Flat Face Flanges | Features a flat sealing surface for applications requiring this particular flange-facing configuration. |
| Customized Duplex 2205 Flanges | Manufactured according to customer drawings, dimensions, pressure class, facing, bore, drilling pattern, testing and documentation requirements. |
2. Duplex 2205 Flanges – Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Duplex 2205 Flanges |
| Material Grade | Duplex 2205 / UNS S31803 / UNS S32205 |
| Werkstoff Number | W.Nr. 1.4462 |
| Material Type | Duplex Stainless Steel |
| Chemical Composition | Chromium, Nickel, Molybdenum and Nitrogen alloyed stainless steel with controlled Carbon, Silicon, Manganese, Phosphorus and Sulfur |
| Flange Type | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Flange Standard | ASTM A182 / ASME SA182, as applicable |
| Dimensional Standard | ASME B16.5 / ASME B16.47, as applicable |
| Size | 1/2″ to 24″ or As per Customer Requirement |
| Pressure Class | Class 150 / 300 / 600 / 900 / 1500 / 2500, as applicable |
| Connection Type | Flanged Connection |
| Facing Type | Raised Face / Flat Face / Ring Type Joint, as applicable |
| Bore Type | Standard Bore / Heavy Bore / Customized Bore |
| Surface Finish | Machined / Polished / As Specified |
| Heat Treatment | Solution Annealed / Quenched / As per Applicable Material Specification |
| Dimensions | As per ASME B16.5 / ASME B16.47 and Customer Requirements |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required |
| Tensile Strength | As per Applicable Duplex 2205 Material Specification and Condition |
| Yield Strength | As per Applicable Duplex 2205 Material Specification and Condition |
| Elongation | As per Applicable Material Standard |
| Density | Approximately 7.8 g/cm³ |
| Melting Range | Approximately 1350–1400°C |
| Corrosion Resistance | Excellent resistance to general corrosion and aggressive chloride-containing environments |
| Pitting Resistance | Excellent resistance to pitting and localized corrosion |
| Crevice Corrosion Resistance | Excellent resistance to crevice corrosion under suitable service conditions |
| Chloride Resistance | Excellent resistance to chloride-containing environments |
| Stress-Corrosion Resistance | Excellent resistance to chloride-induced stress-corrosion cracking |
| Acid Resistance | Good resistance to selected acids and corrosive chemical environments |
| High-Temperature Performance | Suitable for selected elevated-temperature applications within recommended service limits |
| Welding | Good weldability using appropriate duplex stainless steel welding procedures |
| Fabrication | Suitable for machining, forming and fabrication using appropriate duplex-specific procedures |
| Dimensional Accuracy | Precision dimensions according to applicable ASME standards |
| Available Forms | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges |
| Customization | Size, Flange Type, Pressure Class, Facing, Bore, Dimensions, Finish, Testing and Documentation |
| Inspection | Dimensional, Visual and Material Inspection as Required |
| Marking | Size, Grade, Standard, Class, Facing and Heat/Batch Identification as Applicable |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide Duplex 2205 Flanges Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Oil & Gas, Petrochemical, Chemical Processing, Marine, Desalination, Power Generation, Heat Exchangers, Pulp & Paper and Corrosive Process Piping |
3. Duplex 2205 Flanges – Supply & Quality Details
| Parameter | Details |
|---|---|
| Material Identification | Duplex 2205 / UNS S31803 / UNS S32205 / W.Nr. 1.4462 |
| Flange Configurations | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice |
| Size Range | 1/2″ to 24″ or As per Requirement |
| Pressure Classes | Class 150 / 300 / 600 / 900 / 1500 / 2500 |
| Manufacturing | Forged / Hot Forged / Precision Machined |
| Applicable Standards | ASTM A182 / ASME SA182 and ASME B16.5 / B16.47, as applicable |
| Facing Options | Raised Face / Flat Face / Ring Type Joint |
| Bore Options | Standard Bore / Heavy Bore / Customized Bore |
| Surface Finish | Machined / Polished / As Specified |
| Heat Treatment | Solution Annealed / Quenched / As Required |
| Testing | Chemical / Mechanical / Dimensional / Hardness / Visual / PMI / Other Tests |
| Inspection | Dimensional, Visual and Material Inspection |
| Certification | EN 10204 3.1 / 3.2 |
| Marking | Size, Grade, Standard, Class, Facing and Heat/Batch Identification |
| Material Traceability | Heat Number and Batch Identification as Applicable |
| Customization | Size, Flange Type, Pressure Class, Facing, Bore, Dimensions, Finish, Testing and Documentation |
| Packaging | Export-Worthy Wooden Cases, Boxes, Pallets or Customized Packaging |
| Documentation | MTC, Inspection Reports, Test Certificates and Other Documents as Required |
| Export Supply | Worldwide Duplex 2205 Flanges Supply |
| Applications | Oil & Gas, Petrochemical, Chemical Processing, Marine, Desalination, Power Generation, Heat Exchangers, Pulp & Paper and Corrosive Process Piping |
Most Common Types Of Duplex 2205 Flanges
| Type | Details |
|---|---|
| Duplex 2205 Weld Neck Flanges | Designed for strong welded connections and commonly used in high-pressure and corrosive piping systems. |
| Duplex 2205 Slip-On Flanges | Fits over the pipe and is welded in position, providing a practical connection for suitable industrial piping applications. |
| Duplex 2205 Blind Flanges | Used to close pipe ends, equipment nozzles, vessels and other openings in process piping systems. |
| Duplex 2205 Socket Weld Flanges | Suitable for smaller-bore piping systems requiring a compact socket-weld connection. |
| Duplex 2205 Threaded Flanges | Provides a threaded connection where welding is not preferred and the piping arrangement permits threaded installation. |
| Duplex 2205 Lap Joint Flanges | Used with a compatible stub end where frequent dismantling or alignment flexibility is required. |
| Duplex 2205 Orifice Flanges | Used in flow measurement systems requiring an orifice plate arrangement. |
| Duplex 2205 Ring Type Joint Flanges | Features an RTJ facing for applications requiring a suitable high-integrity gasketed connection. |
| Duplex 2205 Raised Face Flanges | Provides a raised sealing surface for suitable gasketed piping and equipment connections. |
| Duplex 2205 Flat Face Flanges | Features a flat sealing surface for applications requiring this particular flange-facing configuration. |
| Customized Duplex 2205 Flanges | Manufactured according to customer drawings, dimensions, pressure class, facing, bore, drilling pattern, testing and documentation requirements. |
Why Should You Buy Duplex 2205 Flanges from Metalx Nickel & Alloys?
- Experienced Duplex 2205 Flanges Supplier & Exporter serving international buyers, importers, distributors, EPC contractors, stockholders, traders and industrial end users.
- 20+ Years of Stainless Steel & Alloy Industry Experience in supplying and exporting corrosion-resistant, high-performance and specialty alloy products to customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, Europe, Asia and other global markets.
- Specialized Duplex 2205 Flanges Exporter offering Duplex 2205 / UNS S31803 / UNS S32205 / W.Nr. 1.4462 Flanges according to applicable international standards and customer requirements.
- Global Duplex 2205 Sourcing Network with access to reputed stainless steel mills, manufacturers, authorized suppliers and approved stockholders across the USA, Europe, Japan, South Korea and other major international supply markets.
- Reliable Duplex 2205 Flanges Supplier providing duplex stainless steel flanges for demanding applications requiring excellent chloride corrosion resistance, strong pitting and crevice corrosion resistance, high mechanical strength, good resistance to stress-corrosion cracking and reliable performance in marine and process environments.
| Key Feature | Details |
|---|---|
| High Mechanical Strength | Offers high tensile and yield strength for demanding piping and equipment connections. |
| Excellent Chloride Corrosion Resistance | Provides excellent resistance to chloride-containing environments and corrosive service conditions. |
| Strong SCC Resistance | Offers strong resistance to chloride-induced stress-corrosion cracking. |
| Pitting Resistance | Provides high resistance to pitting and localized corrosion. |
| Crevice Corrosion Resistance | Offers strong resistance to crevice corrosion under suitable operating conditions. |
| High Strength-to-Weight Performance | Provides better strength-to-weight performance than many conventional stainless steel grades. |
| Duplex Microstructure | Austenitic-ferritic microstructure provides a useful combination of strength and corrosion resistance. |
| Pressure & Temperature Suitability | Suitable for demanding pressure and temperature conditions within applicable design limits. |
| Multiple Flange Configurations | Available in Weld Neck, Slip-On, Blind, Socket Weld, Threaded and Lap Joint configurations. |
| Multiple Pressure Classes | Available in Class 150, 300, 600, 900, 1500 and 2500. |
| Multiple Facing Options | Raised Face, Flat Face and Ring Type Joint configurations can be supplied. |
| Custom Dimensions | Bore, thickness, bolt-hole pattern, dimensions and facing can be customized according to requirements. |
| Applicable Standards | Manufactured according to applicable ASTM A182, ASME SA182 and dimensional standards. |
| Inspection & Documentation | Material certificates and inspection reports can be provided according to customer requirements. |
| Wide Industrial Applications | Suitable for offshore, marine, oil & gas, chemical, petrochemical, desalination and water-treatment applications. |
| Specification | Details |
|---|---|
| Product Name | Duplex 2205 Flanges |
| Material Grade | Duplex 2205 |
| UNS Designation | S31803 / S32205 |
| Forged Grades | ASTM A182 F51 / F60 |
| Material Type | Duplex Stainless Steel |
| Microstructure | Austenitic-Ferritic |
| Manufacturing Standard | ASTM A182 / ASME SA182 |
| Dimensional Standard | ASME B16.5 / ASME B16.47 |
| Flange Types | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint |
| Pressure Classes | Class 150 / 300 / 600 / 900 / 1500 / 2500 |
| Face Types | Raised Face / Flat Face / Ring Type Joint |
| Size | Standard and Custom Sizes Available |
| Connection Type | Flanged Connection |
| Bore Type | Standard Bore / Heavy Bore / Customized Bore |
| Corrosion Resistance | Excellent resistance to chloride corrosion |
| Pitting Resistance | High resistance to pitting and crevice corrosion |
| SCC Resistance | Strong resistance to chloride stress-corrosion cracking |
| Strength | High tensile strength and yield strength |
| Surface Finish | Machined or As per Customer Specification |
| Heat Treatment | As per Applicable Material Specification |
| Testing | Chemical / Mechanical / Dimensional / Visual / PMI and Other Tests as Required |
| Inspection | Material, Dimensional and Visual Inspection as Required |
| Documentation | Material Test Certificate and Inspection Reports as Required |
| Customization | Bore, Thickness, Bolt-Hole Pattern, Dimensions and Facing |
| Applications | Oil & Gas, Offshore, Marine, Chemical, Petrochemical, Desalination, Water Treatment, Pulp & Paper |
| Supply Type | Exporter and International Supplier |
1. What are Duplex 2205 Flanges?
Duplex 2205 Flanges are manufactured from duplex stainless steel with an austenitic-ferritic microstructure. They are used for connecting pipes, valves, pumps, vessels and other equipment in corrosive industrial environments.
2. What is the UNS designation of Duplex 2205?
Duplex 2205 is commonly identified by UNS S31803 / UNS S32205 . Forged flanges are commonly supplied to ASTM A182 F51 / F60 grades.
3. What types of Duplex 2205 Flanges are available?
Common types include Weld Neck, Slip-On, Blind, Socket Weld, Threaded and Lap Joint Flanges . Orifice and customized configurations can also be supplied according to project requirements.
4. What pressure classes are available for Duplex 2205 Flanges?
Duplex 2205 Flanges can be supplied in Class 150, 300, 600, 900, 1500 and 2500 , subject to flange size, applicable dimensional standard and project requirements.
5. What are the key advantages of Duplex 2205 Flanges?
They provide high tensile and yield strength, excellent chloride corrosion resistance, good pitting and crevice corrosion resistance, and strong resistance to chloride-induced stress-corrosion cracking .
6. Where are Duplex 2205 Flanges used?
Duplex 2205 Flanges are commonly used in oil and gas pipelines, offshore platforms, marine equipment, chemical and petrochemical plants, desalination systems, water treatment facilities, heat exchangers and pulp paper plants .