2507 (UNS S32750) Super Duplex Stainless Steel Sheet/Plate for Severe Environments in Oil, Gas, and Marine Industries

Regular Size of Our Duplex Stainless Steel Sheet in Stock

2507 (UNS S32750) Super Duplex Stainless Steel Sheet/Plate – Engineered for Severe Environments in Oil, Gas, and Marine Industries

Product Overview

When operating in the world’s most aggressive industrial environments—where high chloride concentrations, sour gases (H₂S), elevated temperatures, and seawater exposure threaten structural integrity—2507 (UNS S32750) Super Duplex Stainless Steel stands as the material of choice for mission-critical applications.

Our premium-grade 2507 stainless steel sheets and plates are specifically engineered to deliver exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking (SCC), combined with high mechanical strength and long-term reliability. Compliant with ASTM A240/A240M, NACE MR0175/ISO 15156, and EN 10088-2, these products are trusted across the oil & gas, offshore, subsea, and marine sectors for components that cannot afford failure.

Available in thicknesses from 1.0 mm to 30.0 mm and standard or custom dimensions, our 2507 inventory supports rapid fabrication, global project compliance, and decades of service life—even under extreme conditions.

Why 2507 Super Duplex for Oil, Gas & Marine?

Unlike standard austenitic steels, 2507 maintains integrity in dynamic, corrosive, and high-stress environments—reducing maintenance, downtime, and lifecycle costs.

Technical Specifications

Chemical Composition (Typical – wt%, per ASTM A240)

PREN (Pitting Resistance Equivalent Number) = %Cr + 3.3×%Mo + 16×%N ≥ 40

Mechanical Properties (Solution Annealed)

Note: Strength is ~2x that of 316L stainless steel.

Corrosion Resistance Performance

This makes 2507 ideal for subsea control modules, downhole safety valves, heat exchangers, and seawater cooling systems.

Available Product Forms & Sizes

All materials are batch-traceable and stored to prevent surface contamination.

Key Applications in Oil, Gas & Marine

Alloy 2507 is often specified when 316L, 2205, or even 904L show premature degradation.

Fabrication Guidelines

• Welding: Use matching filler (e.g., ER2594). Maintain interpass temperature <100°C. Shielding gas: Ar + 2–3% N₂.
• Cutting: Laser, plasma, or waterjet recommended for precision.
• Machining: Use carbide tools, low speeds, high coolant flow.
• Forming: Cold bending radius ≥2× thickness. Avoid prolonged exposure to 280–900°C to prevent embrittlement.
• Post-Weld Treatment: Pickling and passivation restore corrosion resistance.

Quality Assurance

Every shipment includes:

• Full chemical and mechanical test reports
• Positive Material Identification (PMI) verification
• Optional ultrasonic testing (UT) for critical applications
• Compliance with ASTM, ASME, EN, ISO, and NACE standards

We source from certified mills in Europe and Asia, ensuring consistent microstructure and performance.

Sustainability & Lifecycle Advantage

While the initial cost of 2507 is higher than standard stainless steels, its extended service life, minimal maintenance, and resistance to catastrophic failure deliver superior total cost of ownership (TCO)—especially in remote or inaccessible installations like deepwater platforms.

Additionally, stainless steel is 100% recyclable, supporting ESG and net-zero initiatives.

Order & Support

• MOQ: 1 piece (cut-to-size); 500 kg (mill order)
• Lead Time: 3–7 days (stock); 4–6 weeks (mill production)
• Services: CAD-based nesting, laser cutting, edge prep, export packaging
• Global Delivery: FOB, CIF, or DDP terms available

Contact our technical sales team for a free material selection consultation, sample, or project-specific quote.

Conclusion

In the unforgiving worlds of offshore oil extraction, sour gas processing, and marine engineering, compromise is not an option. 2507 (UNS S32750) Super Duplex Stainless Steel Sheet and Plate provides the corrosion immunity, structural strength, and regulatory compliance needed to ensure safety, efficiency, and longevity—even in the most severe environments on Earth.

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