High-Strength Duplex Sheet
Duplex & Super Duplex Sheets
Duplex 2205 & Super Duplex 2507 sheets for offshore platform fabrication, chemical tanks and desalination equipment.

ASTM / ASME Certified Material
Product Overview
Duplex and super duplex sheet is fabricated into tank linings, offshore module cladding and marine equipment where standard stainless would risk chloride stress-corrosion cracking.
Both 2205 and 2507 are held in cold rolled, solution-annealed condition, ready for cutting and forming.
Thickness0.5mm – 6mm
Width1000 / 1219 / 1500mm
FinishCold Rolled, Annealed & Pickled
Grades2205, 2507
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Duplex & Super Duplex Sheets — In Our Stockyard
Specification
Available Grades
| Grade | Standard | Description |
|---|---|---|
| Duplex 2205 (UNS S31803 / S32205) | ASTM A240 | Offshore fabrication & chemical tank linings |
| Super Duplex 2507 (UNS S32750) | ASTM A240 | Subsea & extreme-pitting-resistance fabrication |
Technical Data
Specifications
- Thickness0.5mm – 6mm
- Width1000 – 1500mm
- Length2000 – 3000mm (sheet cut)
- ManufactureCold Rolled
- Finish2B, Annealed & Pickled
- TestingFerrite Content, Surface, Dimensional
- CertificationEN 10204 3.1 Mill Test Cert.
- PackingPVC-coated, edge-protected bundles
Technical Note — Ferrite balance is confirmed on every coil before dispatch, since a skewed austenite/ferrite ratio reduces both the strength and the corrosion-resistance advantage the material is specified for.
Where It's Used
Applications
Offshore Platforms
Chemical Tanks
Desalination
Marine Fabrication
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