2507 Duplex Stainless Steel Plate
2507 Super Duplex Stainless Steel Plate (UNS S32750, 1.4410) is a premium super duplex grade with extremely high strength and outstanding resistance to pitting, crevice and stress corrosion. Designed for the harshest marine and deep-sea environments, it delivers reliable performance under high chloride, high pressure and extreme working conditions. It is widely specified for large-scale high-end projects across Europe, America and the Middle East. Available in standard and custom sizes, this top-tier steel plate is the preferred choice for heavy-duty industrial procurement for deep-sea facilities, offshore engineering and advanced chemical plants. Inquire us now
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Product Description
Product   Name 2507 Duplex Stainless Steel Plate
Standard ASTM,JIS,DIN,GB,AISI,DIN,EN
Grade/Alloy2507 Duplex
TechniqueCold drawn, Hot rolled, Cold rolled and Others.
Standard Size

Width 1000mm, 1219mm, 1500mm, 1800mm, 2000mm 

Length 2000mm, 2438mm, 3000mm, 6000mm,

 Custom width & length available for bulk orders

Standard Thickness

Cold rolled (2B finish): 2.0mm, 2.5mm, 3.0mm 

Hot rolled (NO.1 finish): 3mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 30mm, 40mm, 50mm

Surface   TreatmentNO.1, 2B, customized finishes are acceptable

Strength of Haiwo 2507 Duplex Stainless Steel Plate: 


  • Exceptional corrosion resistance: Excellent anti-pitting and anti-crevice corrosion ability, perfect for high-salinity seawater environment
  • Extreme mechanical strength: Higher tensile strength than standard 2205 duplex steel, saves material and structural costs

  • Great resistance to stress corrosion cracking: Stable performance in harsh offshore and chemical working conditions

  • Good weldability and machinability: Convenient for on-site fabrication and project installation

  • Outstanding resistance to sulfide corrosion: Suitable for high-grade oil & gas and chemical projects

  • Long service lifespan: Low maintenance cost for long-term running large-scale facilities




Widely Used In:


  • Deep-sea equipment and subsea engineering components
  • Offshore platforms, marine vessels and coastal heavy-duty facilities

  • High-end chemical processing equipment and corrosive fluid storage tanks

  • Large-scale seawater desalination plants and pipeline systems

  • High-pressure oil & gas production and refining facilities



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