Round Bars & Rods

Super Duplex Steel UNS S32750 Round Bar

ASTM A276 · Round, square and hex bush · 10 mm To 100 mm Dia

Super Duplex Steel UNS S32750 Round Bar

Super Duplex Steel UNS S32750 Round Bar in round, square and hex bush to ASTM A276. Get quotes from verified suppliers on MetalMitra.

  • Super Duplex Steel UNS S32750 Round Bar
  • Super Duplex S32750
  • Round Bars
  • Bright Bars
  • Hex Bars
  • Square Bars
  • Flat Bars
  • Forged Bars

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Specifications

DimensionsASTM, ASME and API
SpecificationsASTM A276, A479 / ASME SA276, SA479
GradeUNS S32750
Size10 mm To 100 mm Dia
FormRound, Square, Hex (A/F) Bush, Rectangle, Flat
FinishBright, Black, Polish

Grades & standards

  • ASTM A276

Chemical composition & mechanical properties

Super Duplex 2507 — Chemical composition, %
CMnPSSiCrNiMoNCu
0.0301.200.0350.0200.8024.0–26.06.0–8.03.0–5.00.24–0.320.50
Super Duplex 2507 — Mechanical properties
Tensile strength, min795 MPa
Yield strength (0.2%), min550 MPa
Elongation in 50 mm, min15%
Hardness, max310 HBW

Single values are maximums unless marked min. Values per ASTM A240 (plate, sheet and strip); always confirm against the purchase specification and the mill test certificate.

Need a dependable super duplex bar stock? Super Duplex Steel UNS S32750 Round Bar on MetalMitra comes in round, square and hex bush to ASTM A276, ready for machining, forging and shaft work.

This range covers round, square, hex and flat sections in bright, black, peeled or forged condition, ready for machine shops and component makers.

UNS S32750 (2507) is a super duplex grade with very high strength and excellent resistance to chloride pitting and crevice corrosion. Super duplex stainless steel combines a balanced austenitic-ferritic microstructure with high chromium, molybdenum and nitrogen content, giving very high strength and excellent resistance to pitting, crevice corrosion and chloride stress corrosion cracking.

Available forms & variants

  • Round Bars — Bright, black, peeled or centreless-ground rounds.
  • Hex & Square Bars — Hex and square sections for turned and machined parts.
  • Flat Bars — Flats for fabrication and general engineering.
  • Forged & Hollow Bars — Forged bars, rings and hollow bars made to order.

Performance highlights

  • High Strength — Roughly twice the yield strength of standard austenitic stainless steels.
  • Chloride Resistance — Excellent resistance to pitting and crevice corrosion in seawater and brine.
  • Stress Corrosion Resistance — Strong resistance to chloride stress corrosion cracking.
  • Weight Saving — Higher strength allows lighter designs in suitable applications.

Typical applications

  • Offshore Oil & Gas
  • Seawater Systems
  • Desalination Plants
  • Chemical Processing
  • Petrochemical
  • Pulp & Paper
  • Marine Engineering
  • Heat Exchangers
  • Pollution Control
  • Subsea Equipment
  • Fabrication
  • General Engineering

Quality checks & certification

Every lot of Super Duplex Steel UNS S32750 Round Bar sourced through MetalMitra can be inspected and documented to the governing standard and your purchase order.

  • Diameter & straightness inspection
  • Visual and surface inspection
  • Grade verification against the order
  • Chemical composition verification
  • Mechanical property testing
  • Hardness testing as applicable
  • Ultrasonic testing as applicable
  • EN 10204 3.1 Mill Test Certificate

Why buy through MetalMitra

  • Checked sellers only — Every supplier profile is screened by MetalMitra before it goes live.
  • Faster sourcing — Post one requirement and receive competitive offers without chasing calls.
  • Paperwork sorted — MTC 3.1, test reports and TPI arranged as your project demands.
  • Global logistics — Seaworthy packing and dispatch to project sites across the world.

Ready to buy?

Send your size, grade, quantity and delivery location for Super Duplex Steel UNS S32750 Round Bar, and matching suppliers on MetalMitra will come back with offers.

Technical note: Figures shown are indicative. Final acceptance should be based on the applicable standard, approved drawings and the MTC supplied with the material.

Applications & industries

  • Offshore Oil & Gas
  • Seawater Systems
  • Desalination Plants
  • Chemical Processing
  • Petrochemical
  • Pulp & Paper
  • Marine Engineering
  • Heat Exchangers
  • Pollution Control
  • Subsea Equipment
  • Fabrication
  • General Engineering
  • Oil & Gas
  • Petrochemical & Refining
  • Chemical Processing
  • Desalination
  • Marine & Shipbuilding
  • Pulp & Paper

Testing & documents

Ask for the documents you need in your requirement — suppliers confirm them in their quotation:

  • Mill test certificate to EN 10204 3.1, or 3.2 with third-party witness
  • Third-party inspection (TPI) by SGS, Bureau Veritas, TÜV or your nominated agency
  • Tests as the standard or your order requires: hydro, PMI, IGC, NDT, hardness or impact tests

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