MetalX Nickel Alloys

Duplex 2205 Cross

ParameterDuplex 2205 Cross Details
Product NameDuplex 2205 Cross
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
Cross TypeEqual Cross / Reducing Cross
ManufacturingSeamless / Welded / Fabricated
Size Range1/2″ to 48″
Wall ThicknessSCH 5S–SCH 160 / XXS / Custom
Branch ConfigurationEqual / Reduced Branch
End TypeButt Weld / Beveled End / Plain End
Heat TreatmentSolution Annealed
Surface FinishPickled / Mill Finish / Polished
DensityApprox. 7.8 g/cm³
ChromiumApprox. 21–23%
NickelApprox. 4.5–6.5%
MolybdenumApprox. 2.5–3.5%
NitrogenApprox. 0.08–0.20% for S31803; tighter requirements apply to S32205
Carbon0.030% max
Tensile StrengthApprox. 620 MPa minimum
Yield StrengthApprox. 450 MPa minimum
ElongationApprox. 25% minimum
Corrosion ResistanceExcellent resistance to pitting, crevice corrosion and chloride stress-corrosion cracking
StrengthHigh strength compared with conventional austenitic stainless steels
WeldingWeldable with controlled procedures and suitable duplex filler metals
InspectionPMI / Visual / Dimensional / Mechanical / NDT
CertificationEN 10204 3.1 / 3.2
CustomizationSpecial branch sizes, wall thickness, dimensions and configurations
ApplicationsOil & Gas, Offshore, Desalination, Chemical Processing, Marine, Petrochemical, Power Generation and Process Piping

 

Duplex 2205 Cross – Equal & Reducing Sizes

Run SizeBranch SizeCross ConfigurationRun ODBranch OD
1/2″1/2″Equal Cross21.34 mm21.34 mm
3/4″3/4″Equal Cross26.67 mm26.67 mm
1″1″Equal Cross33.40 mm33.40 mm
1-1/4″1-1/4″Equal Cross42.16 mm42.16 mm
1-1/2″1-1/2″Equal Cross48.26 mm48.26 mm
2″2″Equal Cross60.33 mm60.33 mm
2-1/2″2-1/2″Equal Cross73.03 mm73.03 mm
3″3″Equal Cross88.90 mm88.90 mm
4″4″Equal Cross114.30 mm114.30 mm
6″6″Equal Cross168.28 mm168.28 mm
8″8″Equal Cross219.08 mm219.08 mm
10″10″Equal Cross273.05 mm273.05 mm
12″12″Equal Cross323.85 mm323.85 mm
2″1″Reducing Cross60.33 mm33.40 mm
3″2″Reducing Cross88.90 mm60.33 mm
4″2″Reducing Cross114.30 mm60.33 mm
4″3″Reducing Cross114.30 mm88.90 mm
6″4″Reducing Cross168.28 mm114.30 mm
8″6″Reducing Cross219.08 mm168.28 mm
10″8″Reducing Cross273.05 mm219.08 mm
12″10″Reducing Cross323.85 mm273.05 mm

 

Duplex 2205 Cross – Size & Schedule Range

NPSOutside DiameterTypical ScheduleAvailable Configuration
1/2″21.34 mmSCH 5S–XXSEqual / Reducing
3/4″26.67 mmSCH 5S–XXSEqual / Reducing
1″33.40 mmSCH 5S–XXSEqual / Reducing
1-1/4″42.16 mmSCH 5S–XXSEqual / Reducing
1-1/2″48.26 mmSCH 5S–XXSEqual / Reducing
2″60.33 mmSCH 5S–XXSEqual / Reducing
2-1/2″73.03 mmSCH 5S–XXSEqual / Reducing
3″88.90 mmSCH 5S–XXSEqual / Reducing
4″114.30 mmSCH 5S–XXSEqual / Reducing
6″168.28 mmSCH 5S–XXSEqual / Reducing
8″219.08 mmSCH 5S–XXSEqual / Reducing
10″273.05 mmSCH 5S–XXSEqual / Reducing
12″323.85 mmSCH 5S–XXSEqual / Reducing
14″355.60 mmSCH 5S–XXSEqual / Reducing
16″406.40 mmSCH 5S–XXSEqual / Reducing
18″457.20 mmSCH 5S–XXSEqual / Reducing
20″508.00 mmSCH 5S–XXSEqual / Reducing
24″609.60 mmSCH 5S–XXSEqual / Reducing
30″–48″762–1219.20 mmAs RequiredEqual / Reducing

 

Duplex 2205 Cross – Manufacturing & Quality Details

FeatureAvailable Options
Cross PatternEqual / Reducing
Manufacturing ProcessHot Formed / Cold Formed / Seamless / Welded
Size1/2″–48″
Wall ThicknessStandard Schedule / Custom WT
Branch SizeEqual / Reduced / Custom
ConnectionButt Weld
End PreparationBeveled / Plain / Customized
Surface TreatmentMill / Pickled / Polished
Heat TreatmentSolution Annealed
Material VerificationPMI / Chemical Analysis
Mechanical TestingTensile / Yield / Elongation
NDTUT / RT / PT as specified
Dimensional InspectionOD / Thickness / Branch Alignment / Squareness
DocumentationMTC / EN 10204 3.1 / 3.2
TraceabilityHeat Number / Batch Identification
PackingExport-Grade Wooden Cases / Bundles
Custom ManufacturingSpecial branch sizes, thicknesses and non-standard geometries
Why Should You Buy Duplex 2205 Cross from Metalx Nickel & Alloys?
  • Experienced Duplex 2205 Cross 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 Cross Fittings 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 Cross sizes, subject to current stock and availability.
  • Custom Duplex 2205 Cross Supply according to customer drawings, size, schedule, wall thickness and branch dimensions.
  • Equal & Reducing Cross 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 Cross Fittings during handling, storage and international transportation.
  • Worldwide Duplex 2205 Cross 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 Cross 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, branch dimensions, 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 Cross shipments to the UAE, Saudi Arabia, Qatar, Oman, Africa, Singapore, Europe and other destinations.
 

Key Features of Duplex 2205 Cross

  • Duplex Stainless Steel Construction – Manufactured from Duplex 2205 with a ferritic-austenitic microstructure.
  • High Mechanical Strength – Offers higher strength than many conventional austenitic stainless-steel grades.
  • Excellent Chloride Resistance – Provides strong resistance to chloride-containing environments.
  • Good Pitting Resistance – Suitable for applications where localized corrosion resistance is important.
  • Good Crevice Corrosion Resistance – Provides useful performance in demanding wet and chloride-containing services.
  • Strong Stress Corrosion Cracking Resistance – Duplex 2205 is widely selected where resistance to chloride stress corrosion cracking is required.
  • Good General Corrosion Resistance – Suitable for a broad range of industrial process environments.
  • High Strength-to-Weight Ratio – Allows strong piping components while supporting efficient material selection.
  • Four-Way Branch Configuration – Provides multiple connection points for selected piping layouts.
  • Equal Cross Configuration – Suitable where the run and branches require the same nominal size.
  • Reducing Cross Configuration – Suitable where one or more branch connections require different sizes.
  • Reliable Butt-Weld Connection – Designed for permanent welded piping connections.
  • Wide Size Availability – Cross fittings can be supplied in different nominal sizes according to applicable requirements.
  • Multiple Wall Thicknesses – Various schedules can be supplied depending on size and project requirements.
  • Seamless & Welded Options – Manufacturing configuration can be selected according to size and specification.
  • Solution Annealed Condition – Suitable heat treatment can be provided according to the applicable specification.
  • Good Weldability – Can be fabricated and welded using appropriate procedures.
  • Good Fabrication Characteristics – Suitable for forming and fabrication using controlled industrial processes.
  • Marine Applications – Useful for selected marine and seawater-related piping systems.
  • Desalination Applications – Suitable for selected desalination and water-treatment equipment.
  • Oil & Gas Applications – Used in selected upstream, downstream and process piping systems.
  • Petrochemical Applications – Suitable for demanding petrochemical process environments.
  • Chemical Processing Applications – Can be considered for corrosive chemical process systems.
  • Power Generation Applications – Suitable for selected power-generation piping and auxiliary systems.
  • Pollution Control Applications – Can be used in selected environmental and process-control equipment.
  • Industrial Process Piping – Suitable for systems requiring a combination of strength and corrosion resistance.
  • Custom Branch Dimensions – Branch sizes and configurations can be supplied according to project requirements.
  • Pickled & Passivated Options – Surface treatment can be supplied according to applicable requirements.
  • PMI Verification – Positive Material Identification can be arranged where specified.
  • Material Traceability – Material identification and certification can be provided as required.
  • Quality Testing Available – Chemical, mechanical, dimensional, visual, PMI and other specified inspections can be arranged.
  • Export-Ready Material – Cross fittings can be suitably packed for handling, storage and international transportation.
  • Global Duplex 2205 Cross Exporter – METALX NICKEL & ALLOYS supplies Duplex 2205 Cross Fittings to international buyers, distributors, traders, stockholders and industrial end users.
SpecificationDuplex 2205 Cross Details
Product NameDuplex 2205 Cross
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
Cross TypeEqual Cross / Reducing Cross
Connection TypeButt Weld
SizeAs per applicable standard or customer specification
Wall ThicknessDifferent schedules and customized thicknesses
Branch SizeEqual or reducing branch sizes as required
ManufacturingSeamless / Welded / Fabricated, 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, branch dimensions, 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 Cross?

A Duplex 2205 Cross is a butt-weld pipe fitting with four connection points, manufactured from Duplex Stainless Steel 2205 for demanding industrial piping applications.

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 properties of both phases.

ASTM A815 / ASME SA815 is commonly applicable to wrought duplex stainless-steel butt-weld fittings.

Yes. Duplex 2205 is widely selected for its resistance to chloride pitting, crevice corrosion and stress corrosion cracking.

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