MetalX Nickel Alloys

Incoloy 800 Flanges

SpecificationDetails
Product NameIncoloy 800 Flanges
Material GradeIncoloy 800 / Alloy 800
UNS DesignationUNS N08800
Werkstoff NumberW.Nr. 1.4876
Material TypeNickel-Iron-Chromium Alloy
Chemical CompositionNickel, Iron and Chromium as principal elements, with controlled Carbon, Aluminium and Titanium
Flange TypeWeld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges
Manufacturing TypeForged / Hot Forged / Precision Machined
Flange StandardASTM B564 / ASME SB564, as applicable
Dimensional StandardASME B16.5 / ASME B16.47, as applicable
Size1/2″ to 24″ or As per Customer Requirement
Pressure ClassClass 150 / 300 / 600 / 900 / 1500 / 2500, as applicable
Connection TypeFlanged Connection
Facing TypeRaised Face / Flat Face / Ring Type Joint, as applicable
Bore TypeStandard Bore / Heavy Bore / Customized Bore
Surface FinishMachined / Polished / As Specified
Heat TreatmentSolution Annealed / Stabilized / As per Applicable Material Specification
DimensionsAs per ASME B16.5 / ASME B16.47 and Customer Requirements
MTCEN 10204 3.1 / 3.2
TestingChemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required
Tensile StrengthAs per Applicable Incoloy 800 Material Specification and Condition
Yield StrengthAs per Applicable Incoloy 800 Material Specification and Condition
ElongationAs per Applicable Material Standard
DensityApproximately 7.94 g/cm³
Melting RangeApproximately 1350–1400°C
Corrosion ResistanceExcellent resistance to oxidation and carburization in high-temperature environments
Pitting ResistanceGood resistance to localized corrosion under suitable service conditions
Crevice Corrosion ResistanceGood resistance under suitable service conditions
Chloride ResistanceGood resistance to chloride-containing environments under suitable conditions
Stress-Corrosion ResistanceGood resistance to stress-corrosion cracking under suitable service conditions
Acid ResistanceGood resistance to selected organic and inorganic acids
Oxidation ResistanceExcellent resistance to oxidation at elevated temperatures
Carburization ResistanceExcellent resistance to carburization and nitridation in suitable high-temperature environments
High-Temperature PerformanceExcellent mechanical stability and oxidation resistance at elevated temperatures
WeldingSuitable for welding using appropriate nickel-alloy welding procedures
FabricationSuitable for machining, forming and specialized fabrication using appropriate procedures
Dimensional AccuracyPrecision dimensions according to applicable ASME standards
Available FormsWeld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges
CustomizationSize, Flange Type, Pressure Class, Facing, Bore, Dimensions, Finish, Testing and Documentation
InspectionDimensional, Visual and Material Inspection as Required
MarkingSize, Grade, Standard, Class, Facing and Heat/Batch Identification as Applicable
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide Incoloy 800 Flanges Export Supply
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination
ApplicationsHeat Treatment Equipment, Furnace Components, Petrochemical, Chemical Processing, Power Generation, Heat Exchangers, Industrial Heating Equipment and High-Temperature Process Piping

1. Most Common Types of Incoloy 800 Flanges

TypeDetails
Incoloy 800 Weld Neck FlangeDesigned for high-temperature piping systems requiring a strong welded connection and reliable mechanical performance.
Incoloy 800 Slip-On FlangeFits over the pipe and is welded in position for suitable industrial piping applications.
Incoloy 800 Blind FlangeUsed to close pipe ends, valves, vessels and equipment nozzles in high-temperature process systems.
Incoloy 800 Socket Weld FlangeSuitable for smaller-diameter piping systems requiring a compact socket weld connection.
Incoloy 800 Threaded FlangeProvides a threaded connection where welding may not be preferred, subject to application requirements.
Incoloy 800 Lap Joint FlangeUsed with a compatible stub end where frequent assembly and disassembly may be required.
Incoloy 800 Orifice FlangeUsed in flow measurement systems requiring an orifice plate arrangement.
Incoloy 800 Ring Type Joint FlangeFeatures an RTJ facing for demanding pressure and temperature applications.
Incoloy 800 Raised Face FlangeProvides a raised sealing surface for suitable gasketed piping and equipment connections.
Incoloy 800 Flat Face FlangeFeatures a flat sealing face for applications requiring this facing configuration.
Customized Incoloy 800 FlangeAvailable according to customer drawings, size, pressure class, facing, bore, dimensions, testing and documentation requirements.

2. Incoloy 800 Flanges – Technical Specifications

SpecificationDetails
Product NameIncoloy 800 Flanges
Material GradeIncoloy 800 / Alloy 800
UNS DesignationUNS N08800
Werkstoff NumberW.Nr. 1.4876
Material TypeNickel-Iron-Chromium Alloy
Chemical CompositionNickel, Iron and Chromium as principal elements, with controlled Carbon, Aluminium and Titanium
Flange TypeWeld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges
Manufacturing TypeForged / Hot Forged / Precision Machined
Flange StandardASTM B564 / ASME SB564, as applicable
Dimensional StandardASME B16.5 / ASME B16.47, as applicable
Size1/2″ to 24″ or As per Customer Requirement
Pressure ClassClass 150 / 300 / 600 / 900 / 1500 / 2500, as applicable
Connection TypeFlanged Connection
Facing TypeRaised Face / Flat Face / Ring Type Joint, as applicable
Bore TypeStandard Bore / Heavy Bore / Customized Bore
Surface FinishMachined / Polished / As Specified
Heat TreatmentSolution Annealed / Stabilized / As per Applicable Material Specification
DimensionsAs per ASME B16.5 / ASME B16.47 and Customer Requirements
MTCEN 10204 3.1 / 3.2
TestingChemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required
Tensile StrengthAs per Applicable Incoloy 800 Material Specification and Condition
Yield StrengthAs per Applicable Incoloy 800 Material Specification and Condition
ElongationAs per Applicable Material Standard
DensityApproximately 7.94 g/cm³
Melting RangeApproximately 1350–1400°C
Corrosion ResistanceExcellent resistance to oxidation and carburization in high-temperature environments
Pitting ResistanceGood resistance to localized corrosion under suitable service conditions
Crevice Corrosion ResistanceGood resistance under suitable service conditions
Chloride ResistanceGood resistance to chloride-containing environments under suitable conditions
Stress-Corrosion ResistanceGood resistance to stress-corrosion cracking under suitable service conditions
Acid ResistanceGood resistance to selected organic and inorganic acids
Oxidation ResistanceExcellent resistance to oxidation at elevated temperatures
Carburization ResistanceExcellent resistance to carburization and nitridation in suitable high-temperature environments
High-Temperature PerformanceExcellent mechanical stability and oxidation resistance at elevated temperatures
WeldingSuitable for welding using appropriate nickel-alloy welding procedures
FabricationSuitable for machining, forming and specialized fabrication using appropriate procedures
Dimensional AccuracyPrecision dimensions according to applicable ASME standards
Available FormsWeld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges
CustomizationSize, Flange Type, Pressure Class, Facing, Bore, Dimensions, Finish, Testing and Documentation
InspectionDimensional, Visual and Material Inspection as Required
MarkingSize, Grade, Standard, Class, Facing and Heat/Batch Identification as Applicable
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide Incoloy 800 Flanges Export Supply
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination
ApplicationsHeat Treatment Equipment, Furnace Components, Petrochemical, Chemical Processing, Power Generation, Heat Exchangers, Industrial Heating Equipment and High-Temperature Process Piping

3. Incoloy 800 Flanges – Supply & Quality Details

ParameterDetails
Material IdentificationIncoloy 800 / Alloy 800 / UNS N08800 / W.Nr. 1.4876
Flange ConfigurationsWeld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice
Size Range1/2″ to 24″ or As per Requirement
Pressure ClassesClass 150 / 300 / 600 / 900 / 1500 / 2500
ManufacturingForged / Hot Forged / Precision Machined
Applicable StandardsASTM B564 / ASME SB564 and ASME B16.5 / B16.47, as applicable
Facing OptionsRaised Face / Flat Face / Ring Type Joint
Bore OptionsStandard Bore / Heavy Bore / Customized Bore
Surface FinishMachined / Polished / As Specified
Heat TreatmentSolution Annealed / Stabilized / As Required
TestingChemical / Mechanical / Dimensional / Hardness / Visual / PMI / Other Tests
InspectionDimensional, Visual and Material Inspection
CertificationEN 10204 3.1 / 3.2
MarkingSize, Grade, Standard, Class, Facing and Heat/Batch Identification
Material TraceabilityHeat Number and Batch Identification as Applicable
CustomizationSize, Flange Type, Pressure Class, Facing, Bore, Dimensions, Finish, Testing and Documentation
PackagingExport-Worthy Wooden Cases, Boxes, Pallets or Customized Packaging
DocumentationMTC, Inspection Reports, Test Certificates and Other Documents as Required
Export SupplyWorldwide Incoloy 800 Flanges Supply
ApplicationsHeat Treatment, Furnace Equipment, Petrochemical, Chemical Processing, Power Generation, Heat Exchangers, Industrial Heating Equipment and High-Temperature Process Piping

Most Common Types Of Incoloy 800 Flanges

TypeDetails
Incoloy 800 Weld Neck FlangeDesigned for high-temperature piping systems requiring a strong welded connection and reliable mechanical performance.
Incoloy 800 Slip-On FlangeFits over the pipe and is welded in position for suitable industrial piping applications.
Incoloy 800 Blind FlangeUsed to close pipe ends, valves, vessels and equipment nozzles in high-temperature process systems.
Incoloy 800 Socket Weld FlangeSuitable for smaller-diameter piping systems requiring a compact socket weld connection.
Incoloy 800 Threaded FlangeProvides a threaded connection where welding may not be preferred, subject to application requirements.
Incoloy 800 Lap Joint FlangeUsed with a compatible stub end where frequent assembly and disassembly may be required.
Incoloy 800 Orifice FlangeUsed in flow measurement systems requiring an orifice plate arrangement.
Incoloy 800 Ring Type Joint FlangeFeatures an RTJ facing for demanding pressure and temperature applications.
Incoloy 800 Raised Face FlangeProvides a raised sealing surface for suitable gasketed piping and equipment connections.
Incoloy 800 Flat Face FlangeFeatures a flat sealing face for applications requiring this facing configuration.
Customized Incoloy 800 FlangeManufactured according to customer drawings, dimensions, pressure class, facing, bore, testing and documentation requirements.
Why Should You Buy Incoloy 800 Flanges from Metalx Nickel & Alloys?
  • Experienced Incoloy 800 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-temperature and specialty alloy products to customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, Europe, Asia and other global markets.
  • Specialized Incoloy 800 Flanges Exporter offering Incoloy 800 / Alloy 800 / UNS N08800 / W.Nr. 1.4876 Flanges according to applicable international standards and customer requirements.
  • Global Incoloy 800 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 800 Flanges Supplier providing nickel-iron-chromium alloy flanges for demanding applications requiring excellent oxidation and carburization resistance, high-temperature mechanical stability, good corrosion resistance and reliable performance in heat-intensive environments.
  • Wide Specialty Flanges Range including Incoloy 800 Weld Neck Flanges, Incoloy 800 Slip-On Flanges, Incoloy 800 Blind Flanges, Incoloy 800 Socket Weld Flanges, Incoloy 800 Threaded Flanges, Incoloy 800 Lap Joint Flanges, Incoloy 800 Orifice Flanges, Incoloy 800H Flanges, Incoloy 800HT Flanges, Monel Flanges, Hastelloy Flanges, Inconel Flanges and Nickel Alloy Flanges.
Key FeatureDetails
High-Temperature Oxidation ResistanceExcellent resistance to oxidation at elevated temperatures, making it suitable for thermal processing and furnace applications.
Carburization ResistanceGood resistance to carburization in suitable high-temperature industrial environments.
Nitridation ResistanceProvides good resistance to nitridation under appropriate service conditions.
High-Temperature StrengthMaintains useful mechanical properties and structural reliability at elevated temperatures.
Corrosion ResistanceProvides good resistance to corrosion across various industrial processing environments.
Thermal Processing SuitabilityWell suited for heat exchangers, furnaces, thermal processing systems and other heat-intensive applications.
Multiple Flange TypesAvailable in Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint and other configurations.
Multiple Pressure ClassesAvailable in Class 150, 300, 600, 900, 1500 and 2500, subject to applicable requirements.
Multiple Facing OptionsRF, FF, RTJ and customized facing options can be supplied according to project requirements.
Dimensional AccuracyPrecisely machined dimensions and bolt-hole configurations support reliable installation.
Custom ManufacturingSize, dimensions, drilling, facing, pressure class, finish, testing and documentation can be supplied according to customer drawings.
Inspection & DocumentationDimensional, visual and material testing, along with required inspection documentation, can be provided.
Industrial DurabilitySuitable for long-term industrial service when properly selected for operating temperature, pressure and process conditions.
SpecificationDetails
Product NameIncoloy 800 Flanges
Material GradeIncoloy 800 / Alloy 800
UNS DesignationUNS N08800
Werkstoff NumberW.Nr. 1.4876
Material TypeNickel-Iron-Chromium Alloy
Chemical CompositionNickel, Iron and Chromium as principal elements, with controlled Carbon, Aluminium and Titanium
Flange TypeWeld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint / Orifice Flanges
Manufacturing TypeForged / Hot Forged / Precision Machined
Flange StandardASTM B564 / ASME SB564
Dimensional StandardASME B16.5 / ASME B16.47 and other applicable standards
SizeAs per applicable standard and customer requirement
Pressure ClassClass 150 / 300 / 600 / 900 / 1500 / 2500
Connection TypeFlanged Connection
Facing TypeRaised Face (RF) / Flat Face (FF) / Ring Type Joint (RTJ) / Customized Facing
Bore TypeStandard Bore / Heavy Bore / Customized Bore
Surface FinishMachined / Polished / As Specified
Heat TreatmentSolution Annealed / Stabilized / As per Applicable Material Specification
DimensionsAs per ASME B16.5 / ASME B16.47 and Customer Requirements
MTCEN 10204 3.1 / 3.2, as Required
TestingDimensional / Visual / Material / Chemical / Mechanical / PMI and Other Tests as Required
Tensile StrengthAs per Applicable Incoloy 800 Material Specification and Condition
Yield StrengthAs per Applicable Incoloy 800 Material Specification and Condition
ElongationAs per Applicable Material Standard
DensityApproximately 7.94 g/cm³
Melting RangeApproximately 1350–1400°C
Corrosion ResistanceGood resistance to corrosion in various industrial environments
Oxidation ResistanceExcellent resistance to oxidation at elevated temperatures
Carburization ResistanceGood resistance to carburization in suitable high-temperature environments
Nitridation ResistanceGood resistance to nitridation under suitable service conditions
Pitting ResistanceGood resistance to localized corrosion under suitable conditions
Chloride ResistanceGood resistance to chloride-containing environments under suitable conditions
Stress-Corrosion ResistanceGood resistance to stress-corrosion cracking under suitable service conditions
Acid ResistanceGood resistance to selected organic and inorganic acids
High-Temperature PerformanceReliable mechanical performance and oxidation resistance at elevated temperatures
WeldingSuitable for welding using appropriate nickel-alloy welding procedures
FabricationSuitable for machining, forming and specialized fabrication using appropriate procedures
Dimensional AccuracyPrecision dimensions according to applicable ASME standards
Available FormsWeld Neck / Slip-On / Blind / Socket Weld / Threaded / Lap Joint Flanges
CustomizationSize, Flange Type, Pressure Class, Facing, Bore, Dimensions, Finish, Testing and Documentation
InspectionDimensional, Visual and Material Inspection as Required
MarkingSize, Grade, Standard, Class, Facing and Heat/Batch Identification as Applicable
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide Incoloy 800 Flanges Export Supply
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination
ApplicationsHeat Exchangers, Petrochemical Plants, Chemical Processing Equipment, Thermal Processing Systems, Power Generation, Industrial Furnaces, Steam Systems, Piping Assemblies and High-Temperature Process Equipment
1. What are Incoloy 800 Flanges?

Incoloy 800 Flanges are nickel-iron-chromium alloy flanges designed for piping and equipment connections where high-temperature performance, oxidation resistance and corrosion resistance are required.

They are manufactured from Incoloy 800 / Alloy 800 , identified by UNS N08800 and W.Nr. 1.4876 .

Common types include Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint and Orifice Flanges . Customized configurations can also be supplied according to customer drawings.

Incoloy 800 Flanges are available in Class 150, 300, 600, 900, 1500 and 2500 , subject to applicable standards, size and project requirements.

The main advantages include excellent oxidation resistance, good resistance to carburization and nitridation, reliable high-temperature mechanical strength, and good corrosion resistance in suitable industrial environments.

They are commonly used in heat exchangers, petrochemical plants, chemical processing equipment, industrial furnaces, thermal processing systems, power generation plants, steam systems and high-temperature process piping .

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