MetalX Nickel Alloys

Duplex 2205 Reducer

ParameterDuplex 2205 Reducer Details
Product NameDuplex 2205 Reducer
Material GradeDuplex Stainless Steel 2205
UNS DesignationS31803 / S32205
Werkstoff Number1.4462
Material StructureFerritic-Austenitic Duplex Stainless Steel
Product StandardASTM A815 / ASME SA815
Dimensional StandardASME B16.9
Reducer TypeConcentric Reducer / Eccentric Reducer
Manufacturing MethodSeamless / Welded / Fabricated
Size Range1/2″ to 48″
Large End SizeAs specified
Small End SizeAs specified
Wall ThicknessSCH 5S–SCH 160 / XXS / Custom
End ConnectionButt Weld
End PreparationBeveled / Plain / Customized
Heat TreatmentSolution Annealed
Surface FinishMill / Pickled / Passivated / Polished
ChromiumApprox. 21–23%
NickelApprox. 4.5–6.5%
MolybdenumApprox. 2.5–3.5%
NitrogenApprox. 0.08–0.20%
Carbon0.030% max
Tensile StrengthApprox. 620 MPa minimum
Yield StrengthApprox. 450 MPa minimum
ElongationApprox. 25% minimum
DensityApprox. 7.8 g/cm³
Corrosion ResistanceExcellent resistance to pitting, crevice corrosion and chloride stress-corrosion cracking
Mechanical StrengthHigh strength compared with conventional austenitic stainless steels
WeldabilityGood with controlled duplex welding procedures
InspectionPMI / Visual / Dimensional / Mechanical / NDT
CertificationEN 10204 3.1 / 3.2
TraceabilityHeat Number / Batch Identification
CustomizationDiameter, wall thickness, length, offset and special dimensions
SupplyDomestic & Worldwide Export
ApplicationsOil & Gas, Offshore, Desalination, Chemical Processing, Marine, Petrochemical, Power Generation and Process Piping

 

Duplex 2205 Reducer – Common Size Combinations

Large EndSmall EndReducer TypeLarge End ODSmall End OD
2″1″Concentric / Eccentric60.33 mm33.40 mm
2-1/2″1-1/2″Concentric / Eccentric73.03 mm48.26 mm
3″2″Concentric / Eccentric88.90 mm60.33 mm
4″2″Concentric / Eccentric114.30 mm60.33 mm
4″3″Concentric / Eccentric114.30 mm88.90 mm
5″4″Concentric / Eccentric141.30 mm114.30 mm
6″4″Concentric / Eccentric168.28 mm114.30 mm
6″3″Concentric / Eccentric168.28 mm88.90 mm
8″6″Concentric / Eccentric219.08 mm168.28 mm
8″4″Concentric / Eccentric219.08 mm114.30 mm
10″8″Concentric / Eccentric273.05 mm219.08 mm
10″6″Concentric / Eccentric273.05 mm168.28 mm
12″10″Concentric / Eccentric323.85 mm273.05 mm
12″8″Concentric / Eccentric323.85 mm219.08 mm
16″12″Concentric / Eccentric406.40 mm323.85 mm
20″16″Concentric / Eccentric508.00 mm406.40 mm
24″20″Concentric / Eccentric609.60 mm508.00 mm

 

Duplex 2205 Reducer – Size & Schedule Chart

NPS Large EndOutside DiameterTypical Schedule OptionsConfiguration
1/2″21.34 mmSCH 5S–XXSConcentric / Eccentric
3/4″26.67 mmSCH 5S–XXSConcentric / Eccentric
1″33.40 mmSCH 5S–XXSConcentric / Eccentric
1-1/4″42.16 mmSCH 5S–XXSConcentric / Eccentric
1-1/2″48.26 mmSCH 5S–XXSConcentric / Eccentric
2″60.33 mmSCH 5S–XXSConcentric / Eccentric
2-1/2″73.03 mmSCH 5S–XXSConcentric / Eccentric
3″88.90 mmSCH 5S–XXSConcentric / Eccentric
4″114.30 mmSCH 5S–XXSConcentric / Eccentric
6″168.28 mmSCH 5S–XXSConcentric / Eccentric
8″219.08 mmSCH 5S–XXSConcentric / Eccentric
10″273.05 mmSCH 5S–XXSConcentric / Eccentric
12″323.85 mmSCH 5S–XXSConcentric / Eccentric
14″355.60 mmSCH 5S–XXSConcentric / Eccentric
16″406.40 mmSCH 5S–XXSConcentric / Eccentric
18″457.20 mmSCH 5S–XXSConcentric / Eccentric
20″508.00 mmSCH 5S–XXSConcentric / Eccentric
24″609.60 mmSCH 5S–XXSConcentric / Eccentric
30″–48″762–1219.20 mmAs RequiredCustom / Fabricated

 

Duplex 2205 Reducer – Manufacturing & Quality

FeatureOptions / Details
Reducer ProfileConcentric / Eccentric
Forming ProcessHot Formed / Cold Formed / Seamless / Welded
Size1/2″–48″
Large-to-Small TransitionStandard / Custom
Wall ThicknessStandard Schedule / Custom WT
ConnectionButt Weld
End PreparationBeveled / Plain / Customized
Surface TreatmentPickled / Passivated / Mill / Polished
Heat TreatmentSolution Annealed
Dimensional InspectionOD / Thickness / Length / Concentricity / Ovality
Material VerificationPMI / Chemical Analysis
Mechanical TestingTensile / Yield / Elongation
NDTUT / RT / PT as specified
DocumentationMTC / EN 10204 3.1 / 3.2
TraceabilityHeat Number / Batch Identification
Third-Party InspectionAvailable as required
PackingExport-Grade Wooden Cases / Bundles
Custom ManufacturingSpecial sizes, offsets, lengths and wall thicknesses

 

Why Should You Buy Duplex 2205 Reducers from Metalx Nickel & Alloys?
  • Experienced Duplex 2205 Reducer Supplier & Exporter serving international buyers, distributors, EPC contractors, stockholders and industrial end users.
  • 20+ Years of Alloy Industry Experience in supplying corrosion-resistant and high-strength alloy products to customers across the UAE, Saudi Arabia, Africa and other global markets.
  • Specialized Duplex 2205 Exporter offering Duplex 2205 / UNS S31803 / UNS S32205 Reducers for demanding industrial applications.
  • Global Sourcing Network with access to reputed stainless-steel and duplex-alloy mills, manufacturers and approved stockholders across major supply markets.
  • Wide Duplex & Super Duplex Fittings Range including Duplex 2205, Super Duplex 2507 and other specialized stainless-steel fittings.
  • Ready Stock Availability for selected Duplex 2205 Reducer sizes, subject to current stock and availability.
  • Custom Duplex 2205 Reducer Supply according to customer drawings, size, schedule, wall thickness and reducer dimensions.
  • Concentric & Eccentric Reducer Supply for standard and specialized piping requirements.
  • ASTM / ASME Specification Supply according to applicable requirements, including ASTM A815 / ASME SA815 where applicable.
  • ASME B16.9 Dimensional Compliance can be supplied where applicable to the fitting configuration.
  • MTC with Quotation – Material Test Certificates and relevant technical documentation can be provided with export quotations and orders.
  • EN 10204 3.1 / 3.2 Certification available according to the purchase order, project specification and inspection requirements.
  • PMI Testing Support for positive material identification where required.
  • Third-Party Inspection Support can be coordinated through approved inspection agencies for international export orders.
  • Chemical, Mechanical & Dimensional Testing can be arranged according to applicable standards and customer specifications.
  • Visual & Hardness Testing Support can be arranged where required by the applicable specification or purchase order.
  • NDT Support including applicable ultrasonic or radiographic examination where specified.
  • Pickling & Passivation can be supplied according to project requirements.
  • Custom Surface Finish can be arranged according to the applicable specification.
  • Export-Ready Packing designed to protect Duplex 2205 Reducers during handling, storage and international transportation.
  • Worldwide Duplex 2205 Reducer Exporter serving buyers across the Middle East, Africa, Asia, Europe and other international markets.
  • Competitive Export Pricing for bulk quantities, project orders, distributors, importers, traders and international stockholders.
  • Duplex 2205 Reducer Export Support for EPC contractors, engineering companies, oil & gas plants, petrochemical facilities, desalination plants, marine industries and specialized industrial buyers.
  • Technical Support from Export Enquiry to Shipment covering grade, size, schedule, wall thickness, reducer type, heat treatment, testing, certification and packing requirements.
  • Material Traceability with appropriate identification, certification and quality documentation for export projects.
  • Data Sheets & Technical Documentation can be supplied according to customer requirements and project specifications.
  • Global Logistics Coordination for Duplex 2205 Reducer shipments to the UAE, Saudi Arabia, Qatar, Oman, Africa, Singapore, Europe and other destinations.
 

Key Features of Duplex 2205 Reducer

  • Duplex Stainless Steel Construction – Manufactured from Duplex 2205 for demanding applications requiring both strength and corrosion resistance.
  • Ferritic-Austenitic Microstructure – Combines useful properties of ferritic and austenitic stainless steels.
  • High Mechanical Strength – Offers higher strength than many conventional austenitic stainless-steel grades.
  • Excellent Chloride Resistance – Suitable for chloride-containing process environments.
  • Strong Pitting Resistance – Helps protect against localized corrosion.
  • Good Crevice Corrosion Resistance – Suitable for selected wet and chloride-containing services.
  • High Resistance to Chloride Stress Corrosion Cracking – One of the important advantages of Duplex 2205 in suitable service environments.
  • Good General Corrosion Resistance – Suitable for various industrial process media.
  • Smooth Diameter Transition – Designed to connect piping sections with different nominal diameters.
  • Concentric Reducer Configuration – Maintains a common centerline between the larger and smaller pipe connections.
  • Eccentric Reducer Configuration – Provides an offset transition where required by the piping arrangement.
  • Reliable Butt-Weld Connection – Designed for permanent welded piping connections.
  • Efficient Flow Transition – Supports connection between different pipe sizes within a process system.
  • Wide Size Availability – Available in different nominal sizes and outside diameters.
  • Multiple Wall Thicknesses – Various schedules and customized thicknesses can be supplied.
  • Solution-Annealed Condition – Heat treatment can be provided according to applicable requirements.
  • Good Weldability – Can be welded using suitable duplex stainless-steel procedures.
  • Good Fabrication Characteristics – Suitable for controlled forming and fabrication processes.
  • Pickled & Passivated Options – Surface treatment can be supplied where specified.
  • PMI Verification – Positive Material Identification can be arranged for material verification.
  • Oil & Gas Applications – Suitable for selected upstream, downstream and process piping systems.
  • Offshore Applications – Useful for selected offshore systems exposed to demanding marine environments.
  • Marine Applications – Suitable for selected seawater and marine-service equipment.
  • Desalination Applications – Can be considered for selected desalination and water-treatment systems.
  • Chemical Processing Applications – Suitable for selected corrosive chemical process systems.
  • Petrochemical Applications – Useful for selected petrochemical process equipment.
  • Power Generation Applications – Can be used in selected power-generation piping and auxiliary systems.
  • Pollution Control Applications – Suitable for selected environmental and process-control equipment.
  • Industrial Process Piping – Suitable where strength and corrosion resistance are both important.
  • Custom End Dimensions – Large-end and small-end diameters can be supplied according to project requirements.
  • Multiple Surface Options – Mill finish, pickled, passivated or other specified finishes can be supplied.
  • Material Traceability – Material identification and relevant certificates can be supplied as required.
  • Quality Testing Available – Chemical, mechanical, dimensional, visual, PMI and other specified inspections can be arranged.
  • Export-Ready Material – Reducers can be suitably packed for handling, storage and international transportation.
  • Global Duplex 2205 Reducer Exporter – METALX NICKEL & ALLOYS supplies Duplex 2205 Reducers to international buyers, distributors, traders, stockholders and industrial end users.
SpecificationDuplex 2205 Reducer Details
Product NameDuplex 2205 Reducer
Material GradeDuplex Stainless Steel 2205
UNS DesignationS31803 / S32205
Werkstoff Number1.4462
Material TypeFerritic-Austenitic Duplex Stainless Steel
Material StandardASTM A815 / ASME SA815, where applicable
Dimensional StandardASME B16.9, where applicable
Reducer TypeConcentric Reducer / Eccentric Reducer
Connection TypeButt Weld
SizeAs per applicable standard or customer specification
Wall ThicknessDifferent schedules and customized thicknesses
Large End DiameterAs per requirement
Small End DiameterAs per requirement
ManufacturingWrought / Formed, as applicable
Surface FinishMill Finish, Pickled, Passivated or customer-specified finish
Heat TreatmentSolution Annealed as applicable
End PreparationBevelled Ends for Butt Welding
TestingChemical, mechanical, dimensional, visual, PMI and other specified inspections
DocumentationMTC, inspection reports and relevant quality documents as required
CustomizationSize, thickness, schedule, reducer type, finish, testing and documentation
PackingExport-worthy packing suitable for safe international transportation
ApplicationsOil & Gas, Petrochemical, Marine, Desalination, Chemical Processing, Power Generation and Industrial Process Piping
What is a Duplex 2205 Reducer?

A Duplex 2205 Reducer is a butt-weld pipe fitting used to connect two pipes of different diameters while providing the corrosion resistance and strength associated with Duplex 2205.

Duplex 2205 is commonly associated with UNS S31803 and UNS S32205.

The Werkstoff Number is 1.4462.

Duplex 2205 is a ferritic-austenitic duplex stainless steel combining the characteristics of both phases.

Yes. Material Test Certificates, inspection reports and relevant quality documents can be supplied according to customer and project requirements.

Testing can include chemical analysis, mechanical testing, dimensional inspection, visual inspection, hydrostatic testing and other specified tests.

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