MetalX Nickel Alloys

Alloy 20 Reducer

ParameterAlloy 20 Reducer Details
Product NameAlloy 20 Reducer
Material GradeAlloy 20 / Carpenter 20
UNS NumberN08020
Werkstoff Number2.4660
Alloy TypeNickel-Iron-Chromium Austenitic Alloy
Applicable StandardASTM B366 / ASME SB366
Dimensional StandardASME B16.9
Reducer TypeConcentric / Eccentric
Size Range1/2″ to 48″
Manufacturing RouteSeamless / Welded / Fabricated
Large EndStandard or Custom Diameter
Small EndStandard or Custom Diameter
Wall ThicknessSCH 5S–SCH 160 / XXS / Custom
End ConnectionButt Weld
End PreparationBeveled / Plain / Customized
Heat TreatmentSolution Annealed
Surface FinishMill / Pickled / Polished / Passivated
ChromiumApprox. 19–21%
NickelApprox. 32–38%
MolybdenumApprox. 2–3%
CopperApprox. 3–4%
NiobiumStabilizing addition
Carbon0.07% max
Tensile StrengthApprox. 550 MPa minimum
Yield StrengthApprox. 240 MPa minimum
ElongationApprox. 30% minimum
DensityApprox. 8.08 g/cm³
Corrosion ResistanceExcellent resistance to sulfuric acid and aggressive chemical environments
Pitting ResistanceGood resistance to localized corrosion
Intergranular Corrosion ResistanceEnhanced by niobium stabilization
WeldabilityGood with suitable Alloy 20 procedures
InspectionPMI / Visual / Dimensional / Mechanical / NDT
CertificationEN 10204 3.1 / 3.2
TraceabilityHeat Number / Batch Identification
CustomizationSpecial diameters, thicknesses, lengths and offsets
SupplyDomestic & Worldwide Export
ApplicationsSulfuric Acid Plants, Chemical Processing, Pharmaceuticals, Food Processing, Pickling Equipment, Heat Exchangers, Tanks and Process Piping

Alloy 20 Reducer – Common Size Combinations

Large EndSmall EndConfigurationLarge 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

 

Alloy 20 Reducer – Size & Schedule

NPSOutside DiameterTypical ScheduleAvailable Type
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

Alloy 20 Reducer – Manufacturing & Quality

FeatureAvailable Options / Details
Reducer ProfileConcentric / Eccentric
Forming ProcessHot Formed / Cold Formed / Seamless / Welded
Diameter TransitionStandard / Custom
Wall ThicknessStandard Schedule / Custom WT
ConnectionButt Weld
End PreparationBeveled / Plain / Special
Surface TreatmentMill / Pickled / Polished / Passivated
Heat TreatmentSolution Annealed
Dimensional InspectionOD / Thickness / Length / Concentricity / Ovality
Material VerificationPMI / Chemical Analysis
Mechanical TestingTensile / Yield / Elongation
NDTUT / RT / PT as specified
Corrosion TestingAs required by project specification
DocumentationMTC / EN 10204 3.1 / 3.2
TraceabilityHeat Number / Batch Identification
Third-Party InspectionAvailable
PackingExport-Grade Wooden Cases / Bundles
Custom FabricationSpecial diameters, offsets, lengths and thicknesses

 

Why Should You Buy Alloy 20 Reducers from Metalx Nickel & Alloys?

  • Experienced Alloy 20 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-performance alloy products to customers across the UAE, Saudi Arabia, Africa and other global markets.
  • Specialized Alloy 20 Exporter offering Alloy 20 / UNS N08020 Reducers for demanding chemical and acid-processing applications.
  • Sulfuric Acid Service Expertise for applications requiring suitable corrosion-resistant materials for sulfuric acid environments.
  • Global Sourcing Network with access to reputed nickel alloy mills, manufacturers and approved stockholders across Europe, USA, Japan and other major supply markets.
  • Wide Nickel Alloy Fittings Range including Alloy 20, Nickel 200, Nickel 201, Incoloy, Inconel, Monel and Hastelloy fittings.
  • Ready Stock Availability for selected Alloy 20 Reducer sizes, subject to current stock and availability.
  • Custom Alloy 20 Reducer Supply according to customer drawings, size, schedule, wall thickness and end dimensions.
  • Concentric & Eccentric Reducer Supply for standard and specialized industrial piping requirements.
  • ASTM / ASME Specification Supply according to applicable requirements, including ASTM B366 / ASME SB366, 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.
  • Custom Surface Finish – Mill finish, pickled or other specified finishes can be supplied according to requirements.
  • Export-Ready Packing designed to protect Alloy 20 Reducers during handling, storage and international transportation.
  • Worldwide Alloy 20 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.
  • Alloy 20 Reducer Export Support for EPC contractors, engineering companies, chemical plants, sulfuric acid facilities, pharmaceutical manufacturers, petrochemical facilities 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 Alloy 20 Reducer shipments to the UAE, Saudi Arabia, Qatar, Oman, Africa, Singapore, Europe and other destinations.
 

Key Features of Alloy 20 Reducer

  • Nickel-Iron-Chromium Alloy Construction – Manufactured from Alloy 20 for demanding corrosion-resistant piping systems.
  • Molybdenum-Enhanced Composition – Provides improved resistance to localized corrosion in suitable aggressive environments.
  • Copper Alloying – Enhances resistance to sulfuric acid under appropriate service conditions.
  • Excellent Sulfuric Acid Resistance – Particularly useful for compatible acid-processing applications.
  • Strong General Corrosion Resistance – Suitable for a variety of chemically aggressive process environments.
  • Good Pitting Resistance – Helps protect against localized corrosion.
  • Good Crevice Corrosion Resistance – Suitable for selected corrosive process conditions.
  • Resistance to Stress Corrosion Cracking – Provides useful performance in appropriate service environments.
  • Stabilized Alloy Composition – Columbium stabilization helps reduce susceptibility to intergranular corrosion after welding.
  • Controlled Diameter Transition – Connects piping sections having different nominal diameters.
  • Concentric Reducer Design – Maintains a common centerline between the larger and smaller pipe ends.
  • Eccentric Reducer Design – Provides an offset transition where required by the piping arrangement.
  • Smooth Size Transition – Supports efficient connection between different pipe diameters.
  • Reliable Butt-Weld Connection – Provides a permanent welded connection when properly fabricated.
  • Wide Size Availability – Available in different nominal sizes and outside diameters.
  • Multiple Wall Thicknesses – Different schedules and customized thicknesses can be supplied.
  • Solution-Annealed Condition – Heat treatment can be supplied according to applicable requirements.
  • Good Weldability – Suitable for welding using appropriate Alloy 20 procedures.
  • Good Fabrication Characteristics – Can be formed and fabricated using controlled industrial processes.
  • Chemical Processing Applications – Suitable for selected corrosive chemical process systems.
  • Sulfuric Acid Applications – Widely considered for appropriate sulfuric acid handling and processing.
  • Acid Transfer Systems – Suitable for selected piping systems carrying compatible acidic media.
  • Pharmaceutical Applications – Can be used in selected pharmaceutical process equipment.
  • Food Processing Applications – Suitable for selected food-processing systems.
  • Petrochemical Applications – Useful for selected petrochemical process equipment.
  • Water Treatment Applications – Can be considered for selected chemical water-treatment systems.
  • Heat Exchanger Applications – Suitable for selected heat-transfer equipment.
  • Industrial Process Piping – Useful where corrosion resistance is a primary material requirement.
  • Custom End Dimensions – Large-end and small-end diameters can be supplied according to project requirements.
  • Multiple Surface Options – Mill finish, pickled or other specified finishes can be supplied.
  • PMI Verification – Positive Material Identification can be arranged where required.
  • Material Traceability – Material identification and relevant certification can be supplied.
  • 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 Alloy 20 Reducer Exporter – METALX NICKEL & ALLOYS supplies Alloy 20 Reducers to international buyers, distributors, traders, stockholders and industrial end users.
SpecificationAlloy 20 Reducer Details
Product NameAlloy 20 Reducer
Material GradeAlloy 20 / Carpenter 20
UNS DesignationN08020
Werkstoff Number2.4660
Material TypeNickel-Iron-Chromium-Molybdenum-Copper Alloy
Material StandardASTM B366 / ASME SB366, 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
End PreparationBevelled Ends for Butt Welding
Heat TreatmentSolution Annealed as applicable
Surface FinishMill Finish, Pickled or customer-specified finish
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
ApplicationsChemical Processing, Sulfuric Acid Handling, Pharmaceuticals, Food Processing, Petrochemical, Water Treatment and Industrial Process Piping

 

What is the UNS designation of Alloy 20?

The UNS designation is N08020.

Alloy 20 is a nickel-iron-chromium alloy containing molybdenum, copper and other controlled alloying elements.

Its combination of nickel, chromium, molybdenum and copper provides strong resistance to sulfuric acid in suitable concentration and temperature ranges.

ASTM B366 / ASME SB366 can be applicable to wrought nickel alloy fittings, subject to the exact product requirements.

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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