MetalX Nickel Alloys

Lap Joint Flanges

SpecificationDetails
Product NameLap Joint Flanges
Material GradeCarbon Steel / Stainless Steel / Alloy Steel / Nickel Alloys / Titanium / Duplex Stainless Steel, as applicable
Material TypeForged Metallic Flange
Manufacturing TypeForged / Hot Forged / Precision Machined
Flange StandardASME B16.5 / ASME B16.47 and other applicable standards
Material StandardsASTM / ASME / EN / DIN / JIS and other applicable specifications
Size1/2″ to 24″ or As per Customer Requirement
Pressure ClassClass 150 / 300 / 600 / 900 / 1500 / 2500, as applicable
Connection TypeLap Joint Flanged Connection
Facing TypeRaised Face / Flat Face / Ring Type Joint, as applicable
Bore TypeStandard Bore / Heavy Bore / Customized Bore
Stub End CompatibilityDesigned for use with compatible Lap Joint Stub Ends
Surface FinishMachined / Polished / As Specified
DimensionsAs per ASME B16.5 / ASME B16.47 and Customer Requirements
Heat TreatmentAs 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 Material Specification and Grade
Yield StrengthAs per Applicable Material Specification and Grade
ElongationAs per Applicable Material Standard
Corrosion ResistanceDepends on the selected material grade and service environment
High-Temperature PerformanceDepends on material grade and applicable service limits
WeldingStub End is welded to the pipe; Lap Joint Flange remains loose for alignment
FabricationSuitable for machining and fabrication using grade-specific procedures
Dimensional AccuracyPrecision dimensions according to applicable flange standards
CustomizationSize / Material Grade / 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 Lap Joint Flanges Export Supply
Exporter SupportTechnical Specifications / Inspection / Certification / Export Packing / Documentation and International Shipment Coordination
ApplicationsOil & Gas / Petrochemical / Chemical Processing / Marine / Water Treatment / Heat Exchangers and Industrial Process Piping

1. Most Common Types of Lap Joint Flanges

TypeDetails
Standard Lap Joint FlangesUsed with compatible stub ends and allow the flange to rotate around the pipe for easier alignment during installation.
Raised Face Lap Joint FlangesFeatures a raised sealing surface and is suitable for applications requiring a raised-face configuration.
Flat Face Lap Joint FlangesProvides a flat sealing surface and is commonly selected for compatible piping arrangements.
Ring Type Joint Lap Joint FlangesDesigned with an RTJ groove for suitable high-integrity gasketed connections in demanding services.
Stainless Steel Lap Joint FlangesSuitable for piping systems requiring good corrosion resistance and reliable mechanical performance.
Carbon Steel Lap Joint FlangesCommonly used in general industrial, oil & gas, water treatment and process piping applications.
Alloy Steel Lap Joint FlangesSuitable for applications requiring enhanced strength and suitable elevated-temperature performance.
Duplex Lap Joint FlangesProvides high mechanical strength and good resistance to chloride corrosion, pitting and stress-corrosion cracking.
Super Duplex Lap Joint FlangesSuitable for demanding corrosive environments requiring enhanced localized corrosion resistance.
Nickel Alloy Lap Joint FlangesUsed in chemical and corrosive applications requiring specialized nickel alloy properties.
Titanium Lap Joint FlangesSuitable for applications requiring lightweight construction and excellent corrosion resistance.
Customized Lap Joint FlangesManufactured according to customer drawings, material grade, size, pressure class, facing, dimensions and testing requirements.

2. Lap Joint Flanges – Technical Specifications

SpecificationDetails
Product NameLap Joint Flanges
Material GradeCarbon Steel / Stainless Steel / Alloy Steel / Nickel Alloys / Titanium / Duplex Stainless Steel, as applicable
Material TypeForged Metallic Flange
Manufacturing TypeForged / Hot Forged / Precision Machined
Flange StandardASME B16.5 / ASME B16.47 and other applicable standards
Material StandardsASTM / ASME / EN / DIN / JIS and other applicable specifications
Size1/2″ to 24″ or As per Customer Requirement
Pressure ClassClass 150 / 300 / 600 / 900 / 1500 / 2500, as applicable
Connection TypeLap Joint Flanged Connection
Facing TypeRaised Face / Flat Face / Ring Type Joint, as applicable
Bore TypeStandard Bore / Heavy Bore / Customized Bore
Stub End CompatibilityDesigned for use with compatible Lap Joint Stub Ends
Surface FinishMachined / Polished / As Specified
DimensionsAs per ASME B16.5 / ASME B16.47 and Customer Requirements
Heat TreatmentAs 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 Material Specification and Grade
Yield StrengthAs per Applicable Material Specification and Grade
ElongationAs per Applicable Material Standard
Corrosion ResistanceDepends on the selected material grade and service environment
High-Temperature PerformanceDepends on material grade and applicable service limits
WeldingStub End is welded to the pipe; Lap Joint Flange remains loose for alignment
FabricationSuitable for machining and fabrication using grade-specific procedures
Dimensional AccuracyPrecision dimensions according to applicable flange standards
CustomizationSize / Material Grade / 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 Lap Joint Flanges Export Supply
Exporter SupportTechnical Specifications / Inspection / Certification / Export Packing / Documentation and International Shipment Coordination
ApplicationsOil & Gas / Petrochemical / Chemical Processing / Marine / Water Treatment / Heat Exchangers and Industrial Process Piping

3. Lap Joint Flanges – Supply & Quality Details

ParameterDetails
Material IdentificationAs per Selected Material Grade and Applicable Specification
Flange ConfigurationStandard Lap Joint / Customized Lap Joint Flanges
Size Range1/2″ to 24″ or As per Requirement
Pressure ClassesClass 150 / 300 / 600 / 900 / 1500 / 2500
Applicable StandardsASME B16.5 / ASME B16.47 and applicable ASTM, ASME, EN, DIN or JIS specifications
Facing OptionsRaised Face / Flat Face / Ring Type Joint
Stub EndCompatible Lap Joint Stub End as Required
Bore OptionsStandard Bore / Heavy Bore / Customized Bore
Surface FinishMachined / Polished / As Specified
Heat TreatmentAs per Applicable Material Specification
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
CustomizationMaterial / Size / Pressure Class / Facing / Bore / Dimensions / Finish / Testing
PackagingExport-Worthy Wooden Cases, Boxes, Pallets or Customized Packaging
DocumentationMTC / Inspection Reports / Test Certificates and Other Documents as Required
Export SupplyWorldwide Lap Joint Flanges Supply
ApplicationsOil & Gas / Petrochemical / Chemical Processing / Power Generation / Marine / Water Treatment / Heat Exchangers and Industrial Process Piping

Most Common Types Of Lap Joint Flanges

TypeDetails
Standard Lap Joint FlangesDesigned to work with compatible stub ends and allow flange rotation for easier bolt-hole alignment during installation.
Raised Face Lap Joint FlangesFeatures a raised sealing surface and is suitable for piping systems requiring a raised-face configuration.
Flat Face Lap Joint FlangesProvides a flat sealing surface and is used where a flat-face connection is required.
Ring Type Joint Lap Joint FlangesFeatures an RTJ groove for suitable high-integrity gasketed connections in demanding pressure applications.
Stainless Steel Lap Joint FlangesSuitable for corrosive piping systems requiring good corrosion resistance and reliable mechanical performance.
Carbon Steel Lap Joint FlangesCommonly used in general industrial, oil & gas, water treatment and process piping applications.
Alloy Steel Lap Joint FlangesSuitable for applications requiring enhanced mechanical strength and suitable elevated-temperature performance.
Duplex Lap Joint FlangesProvides high strength with good resistance to chloride corrosion, pitting and stress-corrosion cracking.
Super Duplex Lap Joint FlangesDesigned for demanding corrosive environments requiring enhanced resistance to pitting, crevice and chloride corrosion.
Nickel Alloy Lap Joint FlangesUsed in chemical and other corrosive services where specialized nickel alloy properties are required.
Titanium Lap Joint FlangesSuitable for applications requiring lightweight construction and excellent corrosion resistance.
Customized Lap Joint FlangesManufactured according to customer drawings, material grade, size, pressure class, facing, dimensions and testing requirements.
Why Should You Buy Lap Joint Flanges from Metalx Nickel & Alloys?
  • Experienced Lap Joint Flanges Supplier & Exporter serving international buyers, importers, distributors, EPC contractors, stockholders, traders and industrial end users.
  • 20+ Years of Flange & Alloy Industry Experience in supplying and exporting corrosion-resistant, high-performance and specialty alloy flanges to customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, Europe, Asia and other global markets.
  • Specialized Lap Joint Flanges Exporter offering Lap Joint Flanges in carbon steel, stainless steel, alloy steel, nickel alloys, titanium, duplex and other suitable materials according to applicable international standards and customer requirements.
  • Global Lap Joint Flanges Sourcing Network with access to reputed mills, manufacturers, authorized suppliers and approved stockholders across the USA, Europe, Japan, South Korea and other major international supply markets.
  • Reliable Lap Joint Flanges Supplier providing flanges for piping systems requiring easy alignment, convenient assembly and disassembly, reliable bolted connections, dimensional accuracy and suitable corrosion resistance according to the selected material grade.
  • Wide Specialty Flanges Range including Lap Joint Flanges, Weld Neck Flanges, Slip-On Flanges, Blind Flanges, Socket Weld Flanges, Threaded Flanges, Orifice Flanges, Stainless Steel Lap Joint Flanges, Carbon Steel Lap Joint Flanges, Duplex Lap Joint Flanges, Super Duplex Lap Joint Flanges, Nickel Alloy Lap Joint Flanges and Titanium Lap Joint Flanges.
Key FeatureDetails
Rotatable DesignThe flange can rotate around the compatible stub end, making bolt-hole alignment easier during installation.
Easy AlignmentRotational flexibility helps simplify alignment of bolt holes and mating piping components.
Easy InstallationProvides a convenient flange arrangement for piping systems where frequent assembly and dismantling may be required.
Easy MaintenanceSuitable for systems requiring regular inspection, maintenance or component replacement.
Stub End ConnectionDesigned to be used with a compatible Lap Joint Stub End, which is welded to the pipe.
Material FlexibilityAvailable in stainless steel, carbon steel, alloy steel, duplex, super duplex, nickel alloys and other suitable materials.
Corrosion ResistanceMaterial selection can be optimized according to the fluid, corrosion exposure and operating environment.
Multiple Pressure ClassesAvailable in Class 150, 300, 600, 900, 1500 and 2500 configurations, subject to applicable standards.
Facing OptionsRaised Face (RF), Flat Face (FF) and other suitable facing configurations can be supplied.
Dimensional AccuracyManufactured with attention to dimensions, bolt-hole configuration, bore and flange thickness.
Reliable BoltingProper flange alignment supports convenient bolting and connection assembly when correctly specified.
Custom ManufacturingSize, material grade, thickness, bore, facing, dimensions and other requirements can be customized.
International StandardsProducts can be manufactured according to ASME, EN, DIN, BS and other applicable standards.
DocumentationMaterial Test Certificates, inspection reports and other required documentation can be provided.
Wide ApplicationsSuitable for chemical, petrochemical, oil & gas, marine, power generation, pharmaceutical, food processing and water treatment piping systems.
SpecificationDetails
Product NameLap Joint Flanges
Brand / SupplierMETALX NICKEL & ALLOYS
TypeLap Joint / Loose Flanges
Applicable StandardsASME B16.5 / ASME B16.47 / EN 1092-1 / DIN / BS and Other Applicable Standards
Nominal Size1/2″ NB to 24″ NB and Larger Sizes as per Requirement
Pressure ClassClass 150 / 300 / 600 / 900 / 1500 / 2500
MaterialStainless Steel / Carbon Steel / Alloy Steel / Duplex Steel / Super Duplex Steel / Nickel Alloys and Other Grades
Stainless Steel GradesASTM A182 F304 / F304L / F316 / F316L and Other Grades
Duplex GradesDuplex 2205 / Super Duplex 2507
Nickel AlloysNickel 200 / Nickel 201 and Other Nickel Alloy Grades
Inconel GradesInconel 600 / 601 / 625 / 718 and Other Grades
Incoloy GradesIncoloy 800 / 800H / 800HT / 825 / 901
Monel GradesMonel 400 / Monel K500
Hastelloy GradesHastelloy C22 / C276 / B2 / B3
Flange FacingRaised Face (RF) / Flat Face (FF) and Other Facing Options as Required
Manufacturing ProcessForged and Machined
DimensionsAs per Applicable International Standards or Customer Drawings
ThicknessAs per Pressure Class / Nominal Size / Standard and Project Requirements
Bolt Hole ConfigurationAs per Applicable Flange Standard
Surface FinishMachined / Smooth Finish / As Specified by Customer
Bore TypeStandard Bore / Customized Bore
ConnectionUsed with Compatible Lap Joint Stub End
ShapeCircular
Corrosion ResistanceExcellent, Depending on Selected Material Grade
Temperature ResistanceDependent on Material Grade and Service Conditions
CustomizationAvailable as per Drawings / Specifications and Project Requirements
InspectionDimensional / Visual / Material and Other Inspection Requirements as Specified
DocumentationMaterial Test Certificate / Inspection Reports and Other Documents as Required
Export AvailabilityAvailable for Domestic and International Industrial Requirements
ApplicationsChemical / Petrochemical / Oil & Gas / Power Generation / Marine / Pharmaceutical / Food Processing / Water Treatment and General Industrial Piping
1. What are Lap Joint Flanges?

Lap Joint Flanges are loose flanges designed to work with compatible Lap Joint Stub Ends . The flange can rotate around the stub end, which makes bolt-hole alignment and installation easier.

Lap Joint Flanges are available in Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloys and other suitable grades, depending on the application and project requirements.

Lap Joint Flanges are commonly available from 1/2″ NB to 24″ NB , with larger sizes available as required. Common pressure classes include 150, 300, 600, 900, 1500 and 2500 .

They can be manufactured according to ASME B16.5, ASME B16.47, EN 1092-1, DIN, BS and other applicable international standards or customer drawings.

Common facing options include Raised Face (RF) and Flat Face (FF) , with other configurations available according to the applicable standard and customer requirements.

Lap Joint Flanges are commonly used in chemical processing, petrochemical, oil gas, power generation, marine, pharmaceutical, food processing, water treatment and general industrial piping systems , particularly where frequent maintenance and easy alignment are important.

Have a Question?

Whatsapp
Email
Call
Scroll to Top
Call Now Button