MetalX Nickel Alloys

Hastelloy C276 Socket Weld Coupling

SpecificationDetails
Product NameHastelloy C276 Socket Weld Coupling
Material GradeHastelloy C276 / Alloy C276
UNS DesignationUNS N10276
Werkstoff NumberW.Nr. 2.4819
Material TypeNickel-Molybdenum-Chromium-Tungsten Alloy
Chemical CompositionNickel Balance, Chromium approximately 14.5–16.5%, Molybdenum approximately 15–17%, Tungsten approximately 3–4.5%, Iron approximately 4–7%, Carbon 0.01% max
Fitting TypeSocket Weld Coupling
Coupling TypeFull Coupling / Half Coupling, as applicable
Manufacturing TypeForged / Hot Forged / Precision Machined
Fitting StandardASTM B366 / ASME SB366, as applicable
Dimensional StandardASME B16.11
Size1/8″ to 4″ NPS or As per Customer Requirement
Pressure ClassClass 3000 / 6000 / 9000, as applicable
Connection TypeSocket Weld
End ConnectionSocket Weld
Surface FinishBright / Pickled / Machined / Polished / Passivated / As Specified
Heat TreatmentSolution Annealed / As per Applicable Material Specification
MTCEN 10204 3.1 / 3.2
TestingChemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required
Tensile StrengthAs per Applicable Hastelloy C276 Material Specification and Condition
Yield StrengthAs per Applicable Hastelloy C276 Material Specification and Condition
ElongationAs per Applicable Material Standard
DensityApproximately 8.89 g/cm³
Melting RangeApproximately 1325–1370°C
Corrosion ResistanceExcellent resistance to general corrosion and highly aggressive chemical environments
Pitting ResistanceExcellent resistance to pitting and localized corrosion
Crevice Corrosion ResistanceExcellent resistance to crevice corrosion under suitable service conditions
Chloride ResistanceExcellent resistance to chloride-containing environments
Stress-Corrosion ResistanceExcellent resistance to chloride-induced stress-corrosion cracking
Acid ResistanceExcellent resistance to selected oxidizing and reducing acids
Oxidation ResistanceGood resistance to oxidation under suitable service conditions
High-Temperature PerformanceGood mechanical stability and corrosion resistance at elevated temperatures
WeldingSuitable for socket-welded piping systems using appropriate nickel-alloy welding procedures
FabricationSuitable for precision machining and specialized fabrication practices
Dimensional AccuracyPrecision dimensions according to ASME B16.11 and applicable requirements
Available FormsFull Socket Weld Coupling / Half Socket Weld Coupling / Forged Socket Weld Coupling
CustomizationSize, Coupling Type, Pressure Class, Dimensions, Finish, Testing and Documentation
InspectionDimensional, Visual and Material Inspection as Required
MarkingSize, Grade, Standard and Heat/Batch Identification as Applicable
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide Hastelloy C276 Socket Weld Coupling Export Supply
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination
ApplicationsChemical Processing, Pharmaceutical, Petrochemical, Oil & Gas, Pollution Control, Power Generation, Wastewater Treatment, Marine and Industrial Process Piping

1. Hastelloy C276 Socket Weld Coupling – Common Types

TypeDescription
Hastelloy C276 Full Socket Weld CouplingUsed to connect two pipes of the same nominal size with socket weld connections at both ends.
Hastelloy C276 Half Socket Weld CouplingUsed for connecting a pipe to a fitting, valve or equipment connection where a half-coupling configuration is required.
Hastelloy C276 Forged Socket Weld CouplingForged construction provides good mechanical strength, structural integrity and dimensional consistency.
Hastelloy C276 Class 3000 CouplingSuitable for socket weld piping systems requiring Class 3000 pressure-rated fittings.
Hastelloy C276 Class 6000 CouplingDesigned for higher-pressure piping applications requiring Class 6000 fittings.
Hastelloy C276 Class 9000 CouplingUsed for specialized high-pressure piping systems requiring Class 9000 fittings.
Hastelloy C276 Precision Machined CouplingPrecision machining provides accurate socket dimensions and reliable pipe fit-up.
Hastelloy C276 Customized CouplingAvailable with customized size, dimensions, pressure class, finish, testing and documentation according to project requirements.

2. Hastelloy C276 Socket Weld Coupling – Technical Specifications

SpecificationDetails
Product NameHastelloy C276 Socket Weld Coupling
Material GradeHastelloy C276 / Alloy C276
UNS DesignationUNS N10276
Werkstoff NumberW.Nr. 2.4819
Material TypeNickel-Molybdenum-Chromium-Tungsten Alloy
Fitting TypeSocket Weld Coupling
Coupling TypeFull Coupling / Half Coupling
Manufacturing TypeForged / Hot Forged / Precision Machined
Fitting StandardASTM B366 / ASME SB366, as applicable
Dimensional StandardASME B16.11
Size1/8″ to 4″ NPS or As per Customer Requirement
Pressure ClassClass 3000 / 6000 / 9000, as applicable
Connection TypeSocket Weld
End ConnectionSocket Weld
Surface FinishBright / Pickled / Machined / Polished / Passivated / As Specified
Heat TreatmentSolution Annealed / As per Applicable Material Specification
DimensionsAs per ASME B16.11 and Customer Requirements
MTCEN 10204 3.1 / 3.2
TestingChemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required
Tensile StrengthAs per Applicable Hastelloy C276 Material Specification and Condition
Yield StrengthAs per Applicable Hastelloy C276 Material Specification and Condition
ElongationAs per Applicable Material Standard
DensityApproximately 8.89 g/cm³
Melting RangeApproximately 1325–1370°C
Corrosion ResistanceExcellent resistance to general and aggressive corrosion
Pitting ResistanceExcellent resistance to pitting and localized corrosion
Crevice Corrosion ResistanceExcellent resistance to crevice corrosion
Chloride ResistanceExcellent resistance to chloride-containing environments
Stress-Corrosion ResistanceExcellent resistance to chloride-induced stress-corrosion cracking
Acid ResistanceExcellent resistance to selected oxidizing and reducing acids
Oxidation ResistanceGood resistance to oxidation under suitable service conditions
High-Temperature PerformanceGood mechanical stability and corrosion resistance at elevated temperatures
WeldingSuitable for socket-welded piping systems using appropriate nickel-alloy welding procedures
FabricationSuitable for precision machining and specialized fabrication
Dimensional AccuracyPrecision dimensions according to ASME B16.11 and applicable requirements
Available FormsFull Socket Weld Coupling / Half Socket Weld Coupling / Forged Socket Weld Coupling
CustomizationSize, Coupling Type, Pressure Class, Dimensions, Finish, Testing and Documentation
InspectionDimensional, Visual and Material Inspection as Required
MarkingSize, Grade, Standard and Heat/Batch Identification as Applicable
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide Hastelloy C276 Socket Weld Coupling Export Supply
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination
ApplicationsChemical Processing, Petrochemical, Pharmaceutical, Oil & Gas, Marine, Power Generation, Pollution Control, Wastewater Treatment and Industrial Process Piping

3. Hastelloy C276 Socket Weld Coupling – Supply & Export Details

Supply ParameterAvailable Options
MaterialHastelloy C276 / Alloy C276 / UNS N10276
Coupling ConfigurationFull Coupling / Half Coupling
Size Range1/8″ to 4″ NPS, subject to applicable requirements
Pressure ClassesClass 3000 / 6000 / 9000
ManufacturingForged / Hot Forged / Precision Machined
ConnectionSocket Weld
Surface FinishBright / Pickled / Passivated / Polished / Machined
Heat TreatmentSolution Annealed / As Required
Dimensional InspectionSocket, Bore, Length and Overall Dimensions
Chemical TestingChemical Composition / PMI
Mechanical TestingTensile / Yield / Elongation as Applicable
Visual InspectionSurface and Workmanship Inspection
Hardness TestingAvailable as Required
NDTAs Required by Project or Purchase Specification
CertificationEN 10204 3.1 / 3.2
Third-Party InspectionAvailable as per Customer Requirement
Material TraceabilityHeat Number and Material Identification
MarkingSize, Grade, Standard and Heat/Batch Identification
PackagingExport-Worthy / Seaworthy Protective Packaging
CustomizationSize, Coupling Type, Pressure Class, Finish, Testing and Documentation
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing and Shipment Coordination
Export SupplyWorldwide Hastelloy C276 Socket Weld Coupling Supply
ApplicationsChemical, Petrochemical, Oil & Gas, Pharmaceutical, Marine, Power Generation, Pollution Control and High-Performance Process Piping
Why Should You Buy Hastelloy C276 Socket Weld Couplings from MetalX Nickel & Alloys?
  • Experienced Hastelloy C276 Socket Weld Coupling Supplier & Exporter serving international buyers, distributors, EPC contractors, stockholders and industrial end users.
  • 20+ Years of Nickel Alloy Industry Experience in supplying 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 Hastelloy C276 Exporter offering Hastelloy C276 / Alloy C276 / UNS N10276 / W.Nr. 2.4819 Socket Weld Couplings for demanding chemical, petrochemical, pharmaceutical, oil & gas, marine and industrial applications.
  • Global Sourcing Network with access to reputed nickel alloy mills, manufacturers, authorized suppliers and approved stockholders across Europe, USA, Japan, South Korea and other major supply markets.
  • Wide Nickel Alloy Fittings Range including Hastelloy C22, Hastelloy C276, Inconel 600, Inconel 625, Inconel 718, Incoloy, Monel and other specialized nickel alloy fittings.
  • Ready Stock Availability for selected Hastelloy C276 Socket Weld Coupling sizes, pressure classes and configurations, subject to current stock availability.
  • Custom Hastelloy C276 Coupling Supply according to customer drawings, required size, coupling configuration, pressure class, dimensions, surface finish and project specifications.
  • Full & Half Coupling Supply including Full Socket Weld Couplings and Half Socket Weld Couplings for different piping connection requirements.
  • Multiple Pressure Classes – Available in Class 3000, Class 6000 and Class 9000, subject to size and applicable specifications.
  • ASTM / ASME Specification Supply according to applicable requirements, including ASTM B366 / ASME SB366 and ASME B16.11, where applicable.
  • MTC with Quotation – Material Test Certificates and relevant technical documentation can be provided with export quotations and confirmed orders.

These tees are commonly used in chemical processing, petrochemical, pharmaceutical, oil & gas, marine, power generation, pollution control, wastewater treatment and industrial process piping where high corrosion resistance is required.

Key FeatureDetails
Excellent Corrosion ResistanceProvides excellent resistance to severe general corrosion and aggressive chemical process environments.
Pitting & Crevice Corrosion ResistanceOffers strong resistance to localized corrosion, including pitting and crevice attack.
Chloride ResistancePerforms reliably in chloride-containing and marine-related environments under suitable service conditions.
Stress-Corrosion Cracking ResistanceProvides excellent resistance to chloride-induced stress-corrosion cracking.
Oxidizing & Reducing MediaSuitable for a wide range of oxidizing and reducing chemical environments.
High Mechanical StrengthOffers good mechanical strength, toughness and durability for demanding piping applications.
Compact Socket Weld DesignProvides a compact and secure connection, particularly useful for smaller-diameter piping systems.
Forged ConstructionForged manufacturing provides good structural integrity and dimensional consistency.
Multiple Pressure ClassesAvailable in Class 3000, 6000 and 9000 configurations, subject to size and applicable requirements.
Precision Fit-UpAccurate socket dimensions support proper pipe alignment and reliable installation.
Chemical ResistanceSuitable for piping systems exposed to aggressive chemical process media.
Customizable SupplySize, coupling configuration, pressure class, finish, testing and documentation can be customized according to project requirements.
Inspection & CertificationMTC, PMI, dimensional inspection and other quality documentation can be supplied as required.
Wide Industrial ApplicationsSuitable for chemical, petrochemical, pharmaceutical, oil & gas, marine, power, wastewater and pollution-control applications.
Export-Ready SupplyCan be supplied with material traceability, protective packaging and documentation for domestic and international projects.
SpecificationDetails
Product NameHastelloy C276 Socket Weld Coupling
Material GradeHastelloy C276 / Alloy C276
UNS DesignationUNS N10276
Werkstoff NumberW.Nr. 2.4819
Material TypeNickel-Molybdenum-Chromium-Tungsten Alloy
Fitting TypeSocket Weld Coupling
Coupling TypeFull Coupling / Half Coupling
Manufacturing TypeForged / Hot Forged / Precision Machined
Material StandardASTM B366 / ASME SB366, as applicable
Dimensional StandardASME B16.11
Size RangeCommonly 1/8″ to 4″ NPS or As per Customer Requirement
Pressure ClassClass 3000 / 6000 / 9000, as applicable
Connection TypeSocket Weld
End ConnectionSocket Weld
Surface FinishMachined / Pickled / Polished / Passivated / As Required
Heat TreatmentSolution Annealed / As per Applicable Material Specification
DimensionsAs per ASME B16.11 and Customer Requirements
TestingChemical / Mechanical / Dimensional / Visual / Hardness / PMI and Other Tests as Required
PMIAvailable on Request
MTCEN 10204 3.1 / 3.2 Available as Required
InspectionDimensional, Visual and Material Inspection as Required
Corrosion ResistanceExcellent resistance to general and aggressive corrosion
Pitting ResistanceExcellent resistance to pitting and localized corrosion
Crevice Corrosion ResistanceExcellent resistance to crevice corrosion
Chloride ResistanceExcellent resistance to chloride-containing environments
Stress-Corrosion ResistanceExcellent resistance to chloride-induced stress-corrosion cracking
Acid ResistanceExcellent resistance to selected oxidizing and reducing acids
Oxidation ResistanceGood resistance to oxidation under suitable service conditions
High-Temperature PerformanceGood mechanical stability and corrosion resistance at elevated temperatures
WeldingSuitable for socket-welded piping systems using appropriate nickel-alloy welding procedures
FabricationSuitable for precision machining and specialized fabrication
Dimensional AccuracyPrecision dimensions according to ASME B16.11 and applicable requirements
Available FormsFull Socket Weld Coupling / Half Socket Weld Coupling / Forged Socket Weld Coupling
CustomizationSize, Coupling Type, Pressure Class, Dimensions, Finish, Testing and Documentation
MarkingSize, Grade, Standard and Heat/Batch Identification as Applicable
OriginEuropean / American / Japanese / Korean and Other Approved Origins
Export SupplyWorldwide Hastelloy C276 Socket Weld Coupling Export Supply
Exporter SupportTechnical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination
ApplicationsChemical Processing, Petrochemical, Pharmaceutical, Oil & Gas, Pollution Control, Power Generation, Pulp & Paper, Wastewater Treatment, Marine and Industrial Process Piping
1. What is a Hastelloy C276 Socket Weld Coupling?

A Hastelloy C276 Socket Weld Coupling is a forged nickel-alloy piping fitting used to connect two pipe sections through socket weld connections. It is designed for demanding piping systems exposed to corrosive and aggressive process environments.

It is manufactured from Hastelloy C276 / Alloy C276, with the designation UNS N10276 and Werkstoff Number W.Nr. 2.4819.

Hastelloy C276 Socket Weld Couplings are commonly supplied in sizes from 1/8″ to 4″ NPS, subject to the applicable standard, pressure class and customer requirements.

They can commonly be supplied in Class 3000, Class 6000 and Class 9000, depending on fitting size and applicable specifications.

They offer excellent resistance to general corrosion, pitting, crevice corrosion, chloride-containing environments and stress-corrosion cracking. Their forged construction and compact socket weld design also provide reliable performance in demanding piping systems.

Yes. Couplings can be supplied according to customer requirements for size, coupling configuration, pressure class, dimensions, surface finish, testing, PMI, inspection, certification, marking and packaging. EN 10204 3.1 / 3.2 material certification can also be provided as required.

Have a Question?

Whatsapp
Email
Call
Scroll to Top
Call Now Button