MetalX Nickel Alloys

Super Duplex 2507 Filler Wire

ParameterDetails
Product NameSuper Duplex 2507 Filler Wire
AlloySuper Duplex 2507
Base Metal UNSS32750
EN Material No.1.4410
Filler ClassificationER2594
AWS StandardAWS A5.9
ASME StandardASME SFA 5.9
Filler TypeBare Super Duplex Stainless Steel Wire
Welding ProcessesGTAW / TIG & GMAW / MIG
Wire FormSpool / Coil / Straight Rod
SurfaceBright / Clean / Smooth
PolarityDCEN for GTAW; DCEP commonly used for GMAW
Weld StructureAustenitic-Ferritic Duplex
Welding PositionsAll positions subject to qualified WPS
Base MaterialsSuper Duplex 2507 and compatible duplex grades
PRENTypically ≥40
Main AdvantageExcellent pitting and chloride SCC resistance
CertificationMTC / Certificate of Conformance available

 

Chemical Composition

ElementTypical / Specified Range
Chromium (Cr)24.0–26.0%
Nickel (Ni)6.0–8.0%
Molybdenum (Mo)3.0–5.0%
Nitrogen (N)0.24–0.32%
Manganese (Mn)1.20% max.
Silicon (Si)0.80% max.
Carbon (C)0.03% max.
Copper (Cu)0.50–2.00%
Phosphorus (P)0.035% max.
Sulfur (S)0.015% max.
Iron (Fe)Balance

 

Standard Wire & Rod Sizes

DiameterInch EquivalentCommon Form
0.8 mm0.030″Spool
1.0 mm0.040″Spool
1.2 mm0.047″Spool
1.6 mm1/16″Spool / Rod
2.0 mm5/64″Rod / Spool
2.4 mm3/32″Rod / Spool
3.2 mm1/8″Straight Rod
4.0 mm5/32″Straight Rod

 

Manufacturing & Quality Details

FeatureDetails
Manufacturing MethodPrecision drawn super duplex stainless-steel wire
DrawingControlled multi-stage drawing
Surface FinishBright metallic finish
Diameter ControlPrecision controlled
RoundnessControlled for consistent feeding
Wire ConditionSmooth and uniform
Spool SupplySuitable for GMAW/MIG
Rod SupplySuitable for GTAW/TIG
Surface QualityChecked for cracks, laps and harmful imperfections
Chemical TestingHeat/lot chemical analysis
Dimensional InspectionDiameter and length verification
Ferrite/Austenite ControlControlled through filler chemistry and qualified welding procedure
CertificationMTC / EN 10204 3.1 on request
TraceabilityHeat and batch identification
PackagingProtective moisture-resistant packaging
Custom SupplyDiameter, length and packaging options available

 

Why Should You Buy Super Duplex 2507 Filler Wire from Metalx Nickel & Alloys?

  • 20+ Years of Alloy Industry Experience – Extensive experience supplying duplex, super duplex and specialty alloy products.
  • Super Duplex Expertise – Strong knowledge of high-performance corrosion-resistant stainless steel materials.
  • 2507 Grade Knowledge – Familiarity with UNS S32750 and its demanding welding applications.
  • Quality-Focused Supply – Products can be supplied against defined technical specifications.
  • Standards-Based Products – Supply can be arranged according to applicable AWS, ASME and customer requirements.
  • Multiple Wire Diameters – Various sizes are available for TIG, MIG and specialized welding applications.
  • Straight Rod & Spool Options – Flexible supply formats for manual and mechanized welding.
  • Controlled Chemical Composition – Chemical analysis can be arranged according to applicable requirements.
  • Dimensional Accuracy – Wire diameter and dimensional checks can be performed as specified.
  • Surface Quality Inspection – Visual and surface checks can be arranged for documented orders.
  • Weld Deposit Testing – Mechanical, chemical and other weld-metal testing can be arranged where required.
  • Corrosion Performance Verification – Additional testing can be coordinated where specified by the project.
  • Material Traceability – Heat and batch identification can be maintained for documented orders.
  • MTC Availability – Mill Test Certificates can be supplied with applicable orders.
  • EN 10204 Certification – 3.1 / 3.2 certification can be arranged where required.
  • Third-Party Inspection – Independent inspection agencies can be accommodated.
  • Technical Support – Assistance can be provided for filler wire selection based on welding requirements.
  • Project-Specific Supply – Suitable for fabrication, maintenance and major industrial projects.
  • Custom Packaging – Packaging can be arranged according to customer and project requirements.
  • Export-Ready Packing – Products can be packed for secure international transportation.
  • Global Supply Capability – Supply can be arranged for customers across international markets.
  • Middle East Supply – Export support is available for UAE, Saudi Arabia, Qatar, Oman and other regional markets.
  • Africa & Asia Supply – Products can be supplied to various African and Asian destinations.
  • European Market Support – Documentation and packing can be coordinated according to project specifications.
  • Competitive Pricing – Pricing depends on diameter, quantity, specification and certification requirements.
  • Bulk Order Support – Large-volume requirements can be coordinated based on stock and production feasibility.
  • Fast Quotation Support – Commercial quotations can be prepared against clear technical requirements.
  • Documentation Assistance – Technical, inspection and shipping documentation can be coordinated.
  • Application-Specific Selection – Filler wire selection can be aligned with base material and qualified welding procedures.
  • Flexible Logistics – Domestic and international shipping requirements can be accommodated.
  • Customer-Specific Requirements – Marking, testing, inspection, certification and packaging requirements can be incorporated where feasible.

Key Features of Super Duplex 2507 Filler Wire

  • Super Duplex Compatibility – Developed for welding Super Duplex 2507 and compatible super duplex stainless steel materials.
  • Controlled Alloy Chemistry – Manufactured with carefully controlled alloy chemistry to support demanding weld-metal requirements.
  • Exceptional Corrosion Resistance – Suitable for aggressive industrial, offshore and marine environments.
  • Superior Pitting Resistance – High chromium, molybdenum and nitrogen levels contribute to excellent localized corrosion resistance.
  • Excellent Crevice Resistance – Suitable for applications where crevice corrosion can occur in chloride-containing service.
  • Outstanding Chloride Resistance – Designed for demanding seawater, brine and chloride-rich environments.
  • Stress Corrosion Cracking Resistance – Super Duplex 2507 provides strong resistance to chloride-related SCC.
  • High Mechanical Strength – Offers substantially higher strength than many conventional austenitic stainless steels.
  • Duplex Microstructure Support – Proper welding practices help achieve the required ferrite-austenite balance.
  • TIG/GTAW Compatibility – Straight rods can be used for precision TIG welding applications.
  • MIG/GMAW Suitability – Spool-fed wire is suitable for appropriate mechanized and semi-automatic welding.
  • Smooth Wire Feeding – Controlled surface condition and dimensional consistency promote stable feeding.
  • Clean Surface Finish – Bare filler wire is supplied with a clean surface suitable for controlled welding.
  • Uniform Diameter – Consistent dimensions support predictable filler-metal deposition.
  • Excellent Weld Pool Control – Useful for controlled welding of critical corrosion-resistant components.
  • Reliable Fusion – Supports proper fusion when used with a qualified welding procedure.
  • Controlled Heat Input – Can be incorporated into procedures designed to maintain super duplex weld properties.
  • Interpass Temperature Control – Suitable for welding procedures requiring controlled interpass temperatures.
  • High PREN Performance – Alloy chemistry contributes to high resistance against pitting and crevice corrosion.
  • Seawater Service – Particularly suitable for selected seawater-handling and marine equipment.
  • Offshore Fabrication – Useful for corrosion-resistant offshore structures and process components.
  • Oil & Gas Applications – Suitable for selected pipelines, pressure equipment and production systems.
  • Subsea Equipment – Applicable to qualified subsea and marine-service components.
  • Desalination Applications – Suitable for seawater intake, desalination and brine-handling equipment.
  • Chemical Processing Use – Appropriate for selected aggressive chemical-processing equipment.
  • Petrochemical Compatibility – Can be used for corrosion-resistant petrochemical piping and fabricated assemblies.
  • Water Treatment Use – Suitable for equipment exposed to saline or aggressive water chemistry.
  • Heat Exchanger Fabrication – Applicable to compatible super duplex heat-transfer components.
  • Pressure Vessel Welding – Suitable for qualified pressure-containing super duplex fabrication.
  • Process Piping – Used for joining super duplex piping and related process assemblies.
  • Pump & Valve Components – Suitable for compatible pumps, valves and flow-control equipment.
  • High Strength-to-Weight Advantage – High material strength can contribute to efficient equipment design.
  • Good Fatigue Performance – Duplex stainless steel properties can benefit components subject to cyclic loading.
  • Corrosion-Fatigue Resistance – Suitable for selected applications combining mechanical loading with corrosive exposure.
  • Straight Rod Supply – Available in convenient lengths for manual TIG welding.
  • Spool Supply – Can be supplied in suitable spool configurations for MIG welding.
  • Multiple Diameter Options – Various wire sizes are available for different joint designs and welding positions.
  • Custom Supply – Wire diameter, length, spool, coil and packaging can be supplied according to requirements.
  • Traceable Production – Heat and batch identification can be maintained for documented orders.
  • Quality Documentation – Inspection and certification documentation can be arranged as specified.
  • Export-Ready Packaging – Protected and clearly labeled packaging is available for international transportation.
SpecificationSuper Duplex 2507 Filler Wire Details
Product NameSuper Duplex 2507 Filler Wire
Common NameSuper Duplex 2507 / SDSS 2507 Filler Wire
Material GradeSuper Duplex Stainless Steel 2507
UNSS32750
Werkstoff No.1.4410
Material TypeFerritic-Austenitic Super Duplex Stainless Steel
StandardAWS A5.9 / ASME SFA-5.9, applicable classification
Welding ProcessTIG / GTAW, MIG / GMAW
Product FormBare Filler Wire / Straight Welding Rod
Wire DiameterAs per welding procedure and customer requirement
Common Sizes0.8 mm, 1.0 mm, 1.2 mm, 1.6 mm, 2.0 mm, 2.4 mm, 3.2 mm
Supply FormCoils, spools or straight lengths
Surface ConditionClean, bright and free from harmful surface contamination
ManufacturingPrecision drawn with controlled chemistry and dimensional tolerances
Heat TreatmentAs applicable to specified product requirements
TestingChemical, mechanical, dimensional, visual and weld-deposit testing can be arranged
InspectionThird-party inspection available on request
Material CertificationMTC can be provided
CertificationEN 10204 3.1 / 3.2 can be arranged where required
PackagingMoisture-protected, labeled and export-worthy packaging
CustomizationDiameter, length, spool, coil and packaging options available
ApplicationsOffshore, oil & gas, marine, desalination, chemical, petrochemical, power and water treatment

 

What is Super Duplex 2507 Filler Wire?

It is a bare super duplex stainless steel welding filler used for TIG and MIG welding of Super Duplex 2507 and compatible materials.

Applicable bare stainless steel filler-metal requirements are generally covered by AWS A5.9 / ASME SFA-5.9, with the exact classification depending on the consumable.

It is commonly used for TIG/GTAW and MIG/GMAW welding.

Yes. Super Duplex 2507 is specifically valued for excellent resistance to seawater and chloride-containing environments.

Yes. It can be used for qualified offshore and subsea fabrication applications.

Yes. It is suitable for selected oil & gas piping, vessels and process equipment when the welding procedure is properly qualified.

Have a Question?

Whatsapp
Email
Call
Scroll to Top
Call Now Button