Incoloy 825 Flanges
| Specification | Details |
|---|---|
| Product Name | Incoloy 825 Flanges |
| Material Grade | Incoloy 825 / Alloy 825 |
| UNS Designation | UNS N08825 |
| Werkstoff Number | W.Nr. 2.4858 |
| Material Type | Nickel-Iron-Chromium Alloy with Molybdenum, Copper and Titanium |
| Chemical Composition | Nickel, Iron and Chromium as principal elements, with Molybdenum, Copper and Titanium additions |
| Flange Type | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Flange Standard | ASTM B564 / ASME SB564, 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 / Stabilized / 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 Incoloy 825 Material Specification and Condition |
| Yield Strength | As per Applicable Incoloy 825 Material Specification and Condition |
| Elongation | As per Applicable Material Standard |
| Density | Approximately 8.14 g/cm³ |
| Melting Range | Approximately 1380–1400°C |
| Corrosion Resistance | Excellent resistance to general corrosion in acidic, reducing and oxidizing environments |
| Pitting Resistance | Excellent resistance to pitting and localized corrosion under suitable service conditions |
| Crevice Corrosion Resistance | Excellent resistance to crevice corrosion in chloride-containing environments |
| Chloride Resistance | Good resistance to chloride-containing environments |
| Stress-Corrosion Resistance | Excellent resistance to chloride-induced stress-corrosion cracking |
| Acid Resistance | Excellent resistance to sulfuric acid, phosphoric acid and selected organic acids under suitable conditions |
| Alkali Resistance | Good resistance to alkaline environments under suitable service conditions |
| Oxidation Resistance | Good resistance to oxidation in suitable elevated-temperature environments |
| High-Temperature Performance | Suitable for elevated-temperature applications within recommended service limits |
| Welding | Suitable for welding using appropriate nickel-alloy welding procedures |
| Fabrication | Suitable for machining, forming and specialized fabrication using appropriate 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 Incoloy 825 Flanges Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Chemical Processing, Acid Handling, Pickling Equipment, Pollution Control, Oil & Gas, Petrochemical, Marine, Heat Exchangers and Corrosive Process Piping |
1. Most Common Types of Incoloy 825 Flanges
| Type | Details |
|---|---|
| Incoloy 825 Weld Neck Flange | Designed for demanding piping systems requiring a strong welded connection and excellent corrosion resistance. |
| Incoloy 825 Slip-On Flange | Fits over the pipe and is welded in position for suitable industrial piping applications. |
| Incoloy 825 Blind Flange | Used to close pipe ends, equipment nozzles, vessels and other openings in process systems. |
| Incoloy 825 Socket Weld Flange | Suitable for smaller-diameter piping systems requiring a compact socket weld connection. |
| Incoloy 825 Threaded Flange | Provides a threaded connection where welding may not be preferred, subject to application requirements. |
| Incoloy 825 Lap Joint Flange | Used with a compatible stub end where frequent assembly and disassembly may be required. |
| Incoloy 825 Orifice Flange | Used in flow measurement systems requiring an orifice plate arrangement. |
| Incoloy 825 Ring Type Joint Flange | Features an RTJ facing for demanding pressure and sealing applications. |
| Incoloy 825 Raised Face Flange | Provides a raised sealing surface for suitable gasketed piping and equipment connections. |
| Incoloy 825 Flat Face Flange | Features a flat sealing surface for applications requiring this facing configuration. |
| Customized Incoloy 825 Flange | Manufactured according to customer drawings, dimensions, pressure class, facing, bore, testing and documentation requirements. |
2. Incoloy 825 Flanges – Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Incoloy 825 Flanges |
| Material Grade | Incoloy 825 / Alloy 825 |
| UNS Designation | UNS N08825 |
| Werkstoff Number | W.Nr. 2.4858 |
| Material Type | Nickel-Iron-Chromium Alloy with Molybdenum, Copper and Titanium |
| Chemical Composition | Nickel, Iron and Chromium as principal elements, with Molybdenum, Copper and Titanium additions |
| Flange Type | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Flange Standard | ASTM B564 / ASME SB564, 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 / Stabilized / 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 Incoloy 825 Material Specification and Condition |
| Yield Strength | As per Applicable Incoloy 825 Material Specification and Condition |
| Elongation | As per Applicable Material Standard |
| Density | Approximately 8.14 g/cm³ |
| Melting Range | Approximately 1380–1400°C |
| Corrosion Resistance | Excellent resistance to general corrosion in acidic, reducing and oxidizing environments |
| Pitting Resistance | Excellent resistance to pitting and localized corrosion under suitable service conditions |
| Crevice Corrosion Resistance | Excellent resistance to crevice corrosion in chloride-containing environments |
| Chloride Resistance | Good resistance to chloride-containing environments |
| Stress-Corrosion Resistance | Excellent resistance to chloride-induced stress-corrosion cracking |
| Acid Resistance | Excellent resistance to sulfuric acid, phosphoric acid and selected organic acids under suitable conditions |
| Alkali Resistance | Good resistance to alkaline environments under suitable service conditions |
| Oxidation Resistance | Good resistance to oxidation in suitable elevated-temperature environments |
| High-Temperature Performance | Suitable for elevated-temperature applications within recommended service limits |
| Welding | Suitable for welding using appropriate nickel-alloy welding procedures |
| Fabrication | Suitable for machining, forming and specialized fabrication using appropriate 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 Incoloy 825 Flanges Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Chemical Processing, Acid Handling, Pickling Equipment, Pollution Control, Oil & Gas, Petrochemical, Marine, Heat Exchangers and Corrosive Process Piping |
3. Incoloy 825 Flanges – Supply & Quality Details
| Parameter | Details |
|---|---|
| Material Identification | Incoloy 825 / Alloy 825 / UNS N08825 / W.Nr. 2.4858 |
| 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 B564 / ASME SB564 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 / Stabilized / 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 Incoloy 825 Flanges Supply |
| Applications | Chemical Processing, Acid Handling, Pickling Equipment, Pollution Control, Oil & Gas, Petrochemical, Marine, Heat Exchangers and Corrosive Process Piping |
Most Common Types Of Incoloy 825 Flanges
| Type | Details |
|---|---|
| Incoloy 825 Weld Neck Flange | Designed for demanding piping systems requiring a strong welded connection and excellent corrosion resistance. |
| Incoloy 825 Slip-On Flange | Fits over the pipe and is welded in position for suitable industrial piping applications. |
| Incoloy 825 Blind Flange | Used to close pipe ends, equipment nozzles, vessels and other openings in corrosive process systems. |
| Incoloy 825 Socket Weld Flange | Suitable for smaller-diameter piping systems requiring a compact socket weld connection. |
| Incoloy 825 Threaded Flange | Provides a threaded connection where welding may not be preferred, subject to application requirements. |
| Incoloy 825 Lap Joint Flange | Used with a compatible stub end where frequent assembly and disassembly may be required. |
| Incoloy 825 Orifice Flange | Used in flow measurement systems requiring an orifice plate arrangement. |
| Incoloy 825 Ring Type Joint Flange | Features an RTJ facing for demanding pressure and sealing applications. |
| Incoloy 825 Raised Face Flange | Provides a raised sealing surface for suitable gasketed piping and equipment connections. |
| Incoloy 825 Flat Face Flange | Features a flat sealing surface for applications requiring this facing configuration. |
| Customized Incoloy 825 Flange | Manufactured according to customer drawings, dimensions, pressure class, facing, bore, testing and documentation requirements. |
Why Should You Buy Incoloy 825 Flanges from Metalx Nickel & Alloys?
- Experienced Incoloy 825 Flanges Supplier & Exporter serving international buyers, importers, distributors, EPC contractors, stockholders, traders and industrial end users.
- 20+ Years of Nickel 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 Incoloy 825 Flanges Exporter offering Incoloy 825 / Alloy 825 / UNS N08825 / W.Nr. 2.4858 Flanges according to applicable international standards and customer requirements.
- Global Incoloy 825 Sourcing Network with access to reputed nickel alloy mills, manufacturers, authorized suppliers and approved stockholders across the USA, Europe, Japan, South Korea and other major international supply markets.
- Reliable Incoloy 825 Flanges Supplier providing nickel-iron-chromium alloy flanges for demanding applications requiring excellent resistance to general corrosion, pitting, crevice corrosion, chloride-induced stress-corrosion cracking, reducing acids and oxidizing environments.
- Wide Specialty Flanges Range including Incoloy 825 Weld Neck Flanges, Incoloy 825 Slip-On Flanges, Incoloy 825 Blind Flanges, Incoloy 825 Socket Weld Flanges, Incoloy 825 Threaded Flanges, Incoloy 825 Lap Joint Flanges, Incoloy 825 Orifice Flanges, Incoloy 800 Flanges, Incoloy 800H Flanges, Incoloy 800HT Flanges, Inconel Flanges, Hastelloy Flanges, Monel Flanges and Nickel Alloy Flanges.
| Key Feature | Details |
|---|---|
| Excellent Acid Resistance | Provides excellent resistance to sulfuric and phosphoric acid environments under suitable service conditions. |
| Pitting & Crevice Corrosion Resistance | Strong resistance to localized corrosion, making the alloy suitable for demanding corrosive environments. |
| Stress-Corrosion Resistance | Provides good resistance to chloride-induced stress-corrosion cracking under suitable conditions. |
| Intergranular Corrosion Resistance | Excellent resistance to intergranular corrosion, supporting reliable service in corrosive process environments. |
| Titanium Stabilization | Titanium stabilization helps improve resistance to intergranular corrosion following welding. |
| Weldability | Offers good weldability when appropriate nickel-alloy welding procedures are followed. |
| Chemical Processing Suitability | Suitable for chemical processing systems exposed to aggressive acids and process fluids. |
| Multiple Flange Types | Available in Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint and Reducing configurations. |
| Multiple Pressure Classes | Available in Class 150, 300, 600, 900, 1500 and 2500, subject to applicable requirements. |
| Facing Options | Raised Face, Flat Face and Ring Type Joint configurations can be supplied as required. |
| Custom Manufacturing | Dimensions, drilling patterns, bore, facing, pressure class, finish and other requirements can be customized. |
| Inspection & Documentation | Dimensional, visual, material testing and PMI can be arranged with relevant documentation as required. |
| Industrial Reliability | Suitable for corrosive piping and process equipment when correctly selected for the operating environment. |
| Specification | Details |
|---|---|
| Product Name | Incoloy 825 Flanges |
| Material Grade | Incoloy 825 / Nickel Alloy 825 |
| UNS Designation | UNS N08825 |
| Werkstoff Number | W.Nr. 2.4858 |
| Material Type | Nickel-Iron-Chromium Alloy with Molybdenum, Copper and Titanium |
| Chemical Composition | Nickel, Iron and Chromium as principal elements, with controlled Molybdenum, Copper and Titanium additions |
| Flange Type | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Reducing Flanges |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Flange Standard | ASTM B564 / ASME SB564, as applicable |
| Dimensional Standard | ASME B16.5 / ASME B16.47, where applicable |
| Size | As per applicable standard and customer requirement |
| Pressure Class | Class 150 / 300 / 600 / 900 / 1500 / 2500, as applicable |
| Connection Type | Flanged Connection |
| Facing Type | Raised Face (RF) / Flat Face (FF) / Ring Type Joint (RTJ) |
| Bore Type | Standard Bore / Heavy Bore / Customized Bore |
| Surface Finish | Machined / Smooth Finish / As Specified |
| Shape | Round, with customized configurations available |
| Heat Treatment | Solution Annealed / As per Applicable Material and Manufacturing Requirements |
| 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 |
| PMI | Positive Material Identification available on request |
| Tensile Strength | As per Applicable Incoloy 825 Material Specification and Condition |
| Yield Strength | As per Applicable Incoloy 825 Material Specification and Condition |
| Elongation | As per Applicable Material Standard |
| Density | Approximately 8.14 g/cm³ |
| Melting Range | Approximately 1380–1400°C |
| Corrosion Resistance | Excellent resistance to general corrosion in acidic, reducing and oxidizing environments |
| Pitting Resistance | Excellent resistance to pitting and localized corrosion |
| Crevice Corrosion Resistance | Excellent resistance to crevice corrosion under suitable service conditions |
| Chloride Resistance | Good resistance to chloride-containing environments |
| Stress-Corrosion Resistance | Good to excellent resistance to chloride-induced stress-corrosion cracking |
| Acid Resistance | Excellent resistance to sulfuric and phosphoric acid environments under suitable conditions |
| Intergranular Corrosion Resistance | Excellent resistance to intergranular corrosion |
| Welding | Good weldability using appropriate nickel-alloy welding procedures |
| Fabrication | Suitable for machining, forming and specialized fabrication using appropriate procedures |
| Titanium Stabilization | Titanium addition helps improve resistance to intergranular corrosion after welding |
| High-Temperature Performance | Suitable for elevated-temperature applications within recommended service limits |
| Dimensional Accuracy | Precision dimensions according to applicable ASME standards |
| Available Forms | Weld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Reducing Flanges |
| Customization | Size, Flange Type, Pressure Class, Facing, Bore, Dimensions, Finish, Drilling, 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 Incoloy 825 Flanges Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Chemical Processing, Sulfuric Acid Processing, Phosphoric Acid Plants, Oil & Gas, Marine, Pollution Control, Heat Exchangers, Pickling Equipment, Nuclear-Related Applications and Corrosive Process Piping |
1. What are Incoloy 825 Flanges?
Incoloy 825 Flanges are nickel-iron-chromium alloy flanges designed for piping and equipment connections where excellent corrosion resistance, acid resistance, pitting resistance and resistance to chloride-induced stress-corrosion cracking are required.
2. What material is used for Incoloy 825 Flanges?
They are manufactured from Incoloy 825 / Nickel Alloy 825 , identified by UNS N08825 and W.Nr. 2.4858 .
3. What types of Incoloy 825 Flanges are available?
Common types include Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint and Reducing Flanges . Customized configurations can also be supplied according to customer drawings and project specifications.
4. What pressure classes are available for Incoloy 825 Flanges?
Incoloy 825 Flanges can be supplied in Class 150, 300, 600, 900, 1500 and 2500 , subject to the applicable dimensional standard, size and customer requirements.
5. What are the key advantages of Incoloy 825 Flanges?
Key advantages include excellent resistance to sulfuric and phosphoric acids, strong pitting and crevice corrosion resistance, good chloride-induced stress-corrosion cracking resistance, excellent intergranular corrosion resistance and good weldability .
6. Where are Incoloy 825 Flanges used?
They are commonly used in chemical processing, sulfuric and phosphoric acid plants, oil and gas, marine systems, pollution control equipment, heat exchangers, pickling equipment, nuclear-related applications and corrosive process piping .