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 S32760 Super Duplex Stainless Steel Round Bar

S32760 round bar, also known as F55 (UNS S32760) or 1.4501, is a ‌super duplex stainless steel‌ combining austenitic and ferritic microstructures‌12. This dual-phase alloy contains high levels of chromium (25%), nickel (7%), molybdenum (3.5%), nitrogen (0.3%), and tungsten (0.7%), delivering exceptional ‌corrosion resistance‌, ‌high strength‌, and ‌thermal stability‌‌14. Its unique composition makes it ideal for harsh industrial applications.

Key Performance Advantages

 

Superior Corrosion Resistance‌:

  • Resists pitting, crevice corrosion, and stress corrosion cracking (SCC) in chloride-rich environments (e.g., seawater, acidic/alkaline media)‌34.
  • Maintains integrity in temperatures up to 300°C, with excellent oxidation resistance‌24.

Outstanding Mechanical Properties‌:

  • Tensile strength: 750–895 MPa; Yield strength: ≥550 MPa; Elongation: ≥25%‌23.
  • Higher strength than standard duplex steels, reducing material thickness and weight in structural designs‌14

Weldability and Fabrication‌:

  • Compatible with TIG, MIG, and laser welding techniques. Requires controlled heat input to avoid phase imbalance‌34.
  • Suitable for machining, forging, and precision cutting (e.g., waterjet or laser)‌45.

Production Methods

S32760 round bars are manufactured through:

  1. Raw Material Selection‌: High-purity chromium, nickel, and molybdenum alloys‌12.
  2. Melting and Casting‌: Vacuum induction melting (VIM) ensures uniform composition; continuous casting forms billets‌13.
  3. Thermal Processing‌:
  • Solution annealing at 950–1100°C followed by rapid cooling to optimize phase balance‌25.
    1. Finishing‌: Hot/cold rolling, grinding, or polishing to achieve precise dimensions and surface quality‌15.

Applications in Critical Industries

S32760 round bars are widely used in:

  • Oil & Gas‌: Subsea pipelines, valves, and pumps for sour service environments‌34.
  • Marine Engineering‌: Desalination plants, shipbuilding components, and offshore platforms‌35.
  • Chemical Processing‌: Reactors, heat exchangers, and acid storage tanks‌24.
  • Power Generation‌: Boiler systems and flue gas scrubbers in thermal plants‌45.

Why Choose S32760 Round Bars?

With ‌Google AdWords-friendly keywords‌ like super duplex stainless steel round bar, high-corrosion-resistant F55 steel, and S32760 alloy supplier, this material guarantees reliability in extreme conditions. Its compliance with ASTM A240, EN 10088-1, and ASME SA182 standards ensures global acceptance‌34.

For customized specifications (e.g., diameters 10–500mm) or technical support, contact certified suppliers offering ‌S32760 round bars in stock‌ for fast delivery.

 

S32760 round bar, super duplex stainless steel, F55 alloy, corrosion-resistant steel, industrial steel supplier.

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Model: Could custom as client’s need
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Exotic alloy(GH4145、GH4169、GH2132、GH4090、30W4Cr2VA)
(Inconel X-750、Inconel 718、Nimonic90)

Model: Could custom as client’s need
Material:Spring steel(55CrSiA、50CrVA、)
stainless steel(301、302、304、316、316L、17-7PH、15-7Mo)
Exotic alloy(GH4145、GH4169、GH2132、GH4090、30W4Cr2VA)
(Inconel X-750、Inconel 718、Nimonic90)

Model: Could custom as client’s need
Material:Spring steel(55CrSiA、50CrVA、)
stainless steel(301、302、304、316、316L、17-7PH、15-7Mo)
Exotic alloy(GH4145、GH4169、GH2132、GH4090、30W4Cr2VA)
(Inconel X-750、Inconel 718、Nimonic90)

Model: Could custom as client’s need
Material:Spring steel(55CrSiA、50CrVA、)
stainless steel(301、302、304、316、316L、17-7PH、15-7Mo)
Exotic alloy(GH4145、GH4169、GH2132、GH4090、30W4Cr2VA)
(Inconel X-750、Inconel 718、Nimonic90)

Model: Could custom as client’s need
Material:Spring steel(55CrSiA、50CrVA、)
stainless steel(301、302、304、316、316L、17-7PH、15-7Mo)
Exotic alloy(GH4145、GH4169、GH2132、GH4090、30W4Cr2VA)
(Inconel X-750、Inconel 718、Nimonic90)

Model: Could custom as client’s need
Material:Spring steel(55CrSiA、50CrVA、)
stainless steel(301、302、304、316、316L、17-7PH、15-7Mo)
Exotic alloy(GH4145、GH4169、GH2132、GH4090、30W4Cr2VA)
(Inconel X-750、Inconel 718、Nimonic90)

Model: Could custom as client’s need
Material:Spring steel(55CrSiA、50CrVA、)
stainless steel(301、302、304、316、316L、17-7PH、15-7Mo)
Exotic alloy(GH4145、GH4169、GH2132、GH4090、30W4Cr2VA)
(Inconel X-750、Inconel 718、Nimonic90)

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