MetalX Nickel Alloys

Super Duplex 2507 Round Bar

Specification Super Duplex 2507 Round Bar Details 
Product NameSuper Duplex 2507 Round Bar
Material GradeSuper Duplex 2507 / UNS S32750
UNS DesignationUNS S32750
Werkstoff NumberW.Nr. 1.4410
EN DesignationX2CrNiMoN25-7-4
Material TypeSuper Duplex Stainless Steel
Chemical CompositionChromium 24–26%, Nickel 6–8%, Molybdenum 3–5%, Nitrogen 0.24–0.32%, Carbon 0.030% max, Manganese 1.20% max, Silicon 0.80% max, Phosphorus 0.035% max, Sulfur 0.020% max, Copper 0.50% max
Manufacturing TypeHot Rolled / Cold Drawn / Forged / Ground
Round Bar StandardASTM A276 / ASME SA276
Bar StandardASTM A479 / ASME SA479
Forging StandardASTM A182 / ASME SA182, where applicable
European StandardEN 10088-3
DiameterAs per Standard / Customer Requirement
Diameter RangeApproximately 3 mm to 500 mm, depending on manufacturing capability
LengthStandard 1–6 m / Fixed or Customized Length
Toleranceh7, h8, h9, h10, h11 or as required
Surface FinishBlack / Bright / Peeled / Ground / Polished / Machined
Heat TreatmentSolution Annealed / Water Quenched
ConditionSolution Annealed / Cold Drawn / Hot Rolled / Forged / Ground
MTCEN 10204 3.1 / 3.2
TestingChemical, Mechanical, Dimensional, Visual, Hardness, Intergranular Corrosion and NDT as specified
Tensile StrengthMinimum approximately 795 MPa
Yield StrengthMinimum approximately 550 MPa
ElongationMinimum approximately 15%
DensityApproximately 7.75 g/cm³
Melting RangeApproximately 1350–1390°C
Corrosion ResistanceExcellent resistance to pitting, crevice corrosion, general corrosion and chloride stress-corrosion cracking
Chloride ResistanceExceptional resistance to seawater and high-chloride environments
PREN ValueTypically ≥ 40
Phase BalanceApproximately balanced ferrite-austenite microstructure
WeldingGood weldability using suitable super-duplex welding procedures
Filler MetalER2594 / E2594 or compatible super-duplex filler
Welding ElectrodeE2594
Available FormRound Bar / Rod / Precision Ground Bar
CustomizationDiameter, Length, Tolerance, Finish, Heat Treatment, Testing and Documentation
OriginEuropean / American / Japanese / Korean and other approved origins
Export SupplyWorldwide Export Supply
Exporter SupportTechnical specification, inspection, certification, export packing and international shipment coordination
ApplicationsOil & Gas, Offshore, Marine, Petrochemical, Chemical Processing, Desalination, Seawater Systems, Heat Exchangers, Pressure Vessels, Pumps, Valves and Process Industries

 

Super Duplex 2507 Round Bar – Standard Dimensions

Diameter (mm)Diameter (in.)Weight (kg/m)Weight (lb/ft)
50.1970.1520.102
60.2360.2190.147
80.3150.3890.261
100.3940.6080.409
120.4720.8770.589
140.5511.1930.802
160.6301.5551.045
180.7091.9701.324
200.7872.4351.636
220.8662.9461.980
250.9843.8292.572
281.1024.7943.220
301.1815.4773.680
321.2606.2194.177
361.4177.8755.288
401.5759.7396.542
451.77212.3108.270
501.96915.20210.211
562.20519.06312.807
632.48024.15716.226
712.79530.72020.630
803.15038.95626.166
903.54349.30033.120
1003.93760.86840.880
1104.33173.70049.500
1254.92195.00063.790
1505.906136.90091.930
1756.890186.000124.900
2007.874243.000163.270

 

Super Duplex 2507 Round Bar – Inch / US Bar Sizes

US Bar SizeDiameter (in.)Diameter (mm)Approx. Weight (kg/m)
#20.2506.350.242
#30.3759.530.544
#40.50012.700.973
#50.62515.881.520
#60.75019.052.185
#70.87522.232.970
#81.00025.403.892
#91.12528.584.920
#101.25031.756.080
#111.37534.937.370
#121.50038.108.750
#131.62541.2810.270
#141.75044.4511.930
#151.87547.6313.690
#162.00050.8015.570
#182.25057.1519.730
#202.50063.5024.300

Super Duplex 2507 Round Bar – Size & Tolerance Chart

Diameter RangeAvailable FinishTypical ToleranceSupply Condition
3–10 mmBright / Cold Drawn / Groundh8 / h9 / h10 / h11Solution Annealed
10–25 mmBright / Cold Drawn / Polishedh8 / h9 / h10 / h11Solution Annealed
25–50 mmCold Drawn / Peeled / Groundh9 / h10 / h11Solution Annealed
50–75 mmPeeled / Ground / Polishedh10 / h11Solution Annealed
75–100 mmPeeled / Machined / Groundh11Solution Annealed
100–150 mmHot Rolled / Peeled / Machinedh11 / Customer RequirementSolution Annealed
150–250 mmHot Rolled / Forged / MachinedCustomer RequirementSolution Annealed
250–350 mmForged / Rough MachinedCustomer RequirementSolution Annealed
350–500 mmForged / Custom MachinedCustomer RequirementSolution Annealed
Why Should You Buy From MetalX Nickel & Alloys
    • Distributor of Renowned Mills of Nickel Alloys in Europe and USA
    • Experience of 2 Decades as a Supplier of High Temperature Alloys in Dubai ( UAE), Saudi Arabia and Africa.
    • Largest Stockist of Nickel Alloy Flat Products in Mumbai
    • Ready Stock of Sheets, Coils, Strips and Bars in Over 50 Sizes at Al Jubail, Abu Dhabi, Muscat and South Africa
    • Facility of Cut to Size at No Extra Cost.
    • Weekly Delivery to Nigeria, Qatar, Dammam, Sharjah and Singapore
    • NACE Certified Material at Dealer Price.
    • Resale Price for Traders, Wholesalers, Importers and Stockholders in Mena Countries
    • Data Sheets and MTC Along With Quote.
    • Free Sample, Latest Price List on Request
    • Renowned Supplier in Heat Exchangers, Instrumentation, and Oil and Gas Industry
    • Compare Weight Chart and Price Per Kg in China and India.

Key Features of Super Duplex 2507 Round Bar

  • Excellent Corrosion Resistance – Super Duplex 2507 provides exceptional resistance to demanding corrosive environments.
  • Very High Pitting Resistance – High chromium, molybdenum and nitrogen content provides excellent resistance to localized pitting.
  • Excellent Crevice Corrosion Resistance – Suitable for chloride-rich environments where crevice corrosion is a concern.
  • Excellent Chloride Stress Corrosion Cracking Resistance – Provides strong resistance to chloride-induced stress corrosion cracking.
  • High Mechanical Strength – Offers significantly higher strength than many conventional austenitic stainless steel grades.
  • Duplex Microstructure – The balanced austenitic-ferritic structure provides a combination of strength and corrosion resistance.
  • Excellent Seawater Resistance – Suitable for selected seawater, marine and desalination applications.
  • High PREN – Its alloying composition provides a high pitting resistance equivalent number, supporting performance in chloride-rich environments.
  • Good Resistance to Erosion-Corrosion – Suitable for selected applications involving corrosive fluid flow.
  • Good Resistance to Sulfide Environments – Can be considered for selected oil and gas applications when the applicable requirements are met.
  • Good Weldability – Can be welded using qualified procedures designed for super duplex stainless steel.
  • Good Fabrication Properties – Suitable for machining and fabrication using appropriate industrial practices.
  • Hot Rolled & Cold Drawn Options – Round bars can be supplied in different manufacturing conditions.
  • Forged Options Available – Forged round bars can be supplied for selected dimensions and applications.
  • Wide Diameter Availability – Available in different diameters for machining, shafts, fasteners and industrial components.
  • Multiple Surface Finishes – Bright, polished, pickled, ground, peeled and other specified finishes can be supplied.
  • Solution Annealed Condition – Material can be supplied in solution-annealed condition according to applicable specifications.
  • Oil & Gas Applications – Suitable for selected oil and gas equipment and components.
  • Offshore Applications – Useful for offshore equipment exposed to seawater and chloride-rich environments.
  • Marine Applications – Suitable for selected marine equipment and seawater-handling components.
  • Desalination Applications – Can be considered for selected desalination and water-treatment equipment.
  • Petrochemical Applications – Suitable for selected petrochemical process equipment.
  • Chemical Processing Applications – Used in selected chemical processing equipment.
  • Heat Exchanger Applications – Suitable for selected heat-transfer components exposed to corrosive fluids.
  • Pressure Equipment Applications – Can be considered for selected pressure-containing components where the applicable design requirements permit.
  • Reliable Material Traceability – Material certificates and inspection documentation can be supplied according to order requirements.
  • Quality Testing Available – Chemical, mechanical, dimensional, hardness, visual, PMI and other specified inspections can be arranged.
  • Export-Ready Material – Round bars can be suitably packed for handling, storage and international transportation.
  • Global Super Duplex 2507 Round Bar Exporter – METALX NICKEL & ALLOYS supplies Super Duplex 2507 Round Bars to international buyers, distributors, traders, stockholders and industrial end users.
SpecificationSuper Duplex 2507 Round Bar Details
Product NameSuper Duplex 2507 Round Bar
Material GradeSuper Duplex 2507 / UNS S32750
UNS DesignationS32750
Werkstoff Number1.4410
Material TypeSuper Duplex Stainless Steel
MicrostructureAustenitic-Ferritic Duplex Structure
ManufacturingHot Rolled / Cold Drawn / Forged, as required
Applicable StandardsASTM / ASME specifications as applicable
Common StandardASTM A276 / ASME SA276, where applicable
Bar TypeRound Bar
DiameterAs per customer requirement and applicable standard
LengthStandard, random and customized lengths
Surface FinishBright, polished, pickled, ground, peeled or as required
Heat TreatmentSolution Annealed as applicable
End ConditionPlain Cut, Chamfered or as specified
Chemical CompositionChromium, Nickel, Molybdenum, Nitrogen, Iron and other controlled alloying elements
Corrosion ResistanceExcellent resistance to general, pitting and crevice corrosion
Pitting ResistanceVery high resistance to pitting corrosion
Chloride ResistanceExcellent resistance to chloride-containing environments
Stress Corrosion ResistanceExcellent resistance to chloride stress corrosion cracking
Mechanical StrengthVery high strength compared with conventional austenitic stainless steels
TestingChemical, Mechanical, Dimensional, Hardness, Visual, PMI and other specified tests
ApplicationsOil & Gas, Marine, Offshore, Petrochemical, Chemical Processing, Desalination, Heat Exchangers and Pressure Equipment
CustomizationDiameter, length, surface finish, heat treatment, testing and documentation as required
PackingExport-worthy packing suitable for safe international transportation
Export SupplyAvailable for international buyers, distributors, EPC contractors and industrial end users

 

1. What is Super Duplex 2507 Round Bar?

Super Duplex 2507 Round Bar is manufactured from a high-alloy duplex stainless steel offering a combination of very high mechanical strength and excellent resistance to pitting, crevice corrosion and chloride stress corrosion cracking.

The UNS designation is S32750.

The commonly associated Werkstoff Number is 1.4410.

A commonly applicable specification is ASTM A276 / ASME SA276, subject to the exact product requirements.

Super Duplex 2507 combines very high mechanical strength with excellent resistance to pitting, crevice corrosion and chloride stress corrosion cracking

Yes. It is widely considered for selected seawater, marine, offshore and desalination applications, subject to the actual service conditions.

Have a Question?

Whatsapp
Email
Call
Scroll to Top
Call Now Button