Duplex 2205 Strip, Sheet & Plate is a high-performance duplex stainless steel product known for its excellent strength and outstanding corrosion resistance. With a mixed microstructure of approximately equal parts ferrite and austenite, Duplex 2205 (UNS S32205/S31803) offers superior resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich environments. Labdhi Metals, a reputed manufacturer, stockist, and exporter, supplies premium Duplex 2205 sheets, plates, and strips for use in demanding applications across the chemical, petrochemical, marine, and oil & gas industries.
As a trusted manufacturer, Labdhi Metals produces Duplex 2205 sheet, plate, and strip in a wide range of thicknesses and sizes using state-of-the-art rolling and annealing techniques. The products are available in various surface finishes such as 2B, BA, No.1, No.4, and mirror, depending on the end-use requirements. All products undergo rigorous quality checks, including ultrasonic testing, PMI, and mechanical testing, to ensure they meet international standards like ASTM A240 and ASME SA240.
As a dedicated stockist, Labdhi Metals maintains a comprehensive inventory of Duplex 2205 flat products in different widths, thicknesses, and lengths to cater to urgent and bulk project demands. Their well-managed warehouse enables quick dispatch and value-added services like plasma cutting, waterjet cutting, slitting, and edge preparation, offering custom solutions tailored to client needs.
Labdhi Metals is also a leading exporter of Duplex 2205 sheet, plate, and strip to markets in Europe, the Middle East, Southeast Asia, and North America. Their products are exported with complete documentation including mill test certificates, third-party inspection approvals, and compliance with NACE MR0175, ensuring suitability for sour service and offshore environments. Secure packaging is ensured for sea and air freight to prevent any damage during transportation.
Standard | ASTM A240 / ASME SA240 |
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Grades | UNS S32205 / S31803 |
Thickness Range | 0.3 mm to 100 mm |
Width Range | Up to 2000 mm |
Length | Up to 6000 mm or coil form |
Finish | 2B, BA, No.1, No.4, Mirror |
Forms | Sheets, Plates, Strips, Coils |
Applications of Duplex 2205 flat products include structural components, pressure vessels, heat exchangers, tank cladding, marine hardware, bridges, and pipelines. The high strength-to-weight ratio of Duplex 2205, combined with its excellent corrosion resistance, reduces material usage and enhances operational efficiency. Labdhi Metals continues to be a preferred supplier due to its commitment to quality, technical support, and global delivery capabilities.
Element | Composition (%) |
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Chromium (Cr) | 21.0 – 23.0 |
Nickel (Ni) | 4.5 – 6.5 |
Molybdenum (Mo) | 2.5 – 3.5 |
Nitrogen (N) | 0.14 – 0.20 |
Manganese (Mn) | ≤ 2.00 |
Silicon (Si) | ≤ 1.00 |
Carbon (C) | ≤ 0.03 |
Phosphorus (P) | ≤ 0.03 |
Sulfur (S) | ≤ 0.02 |
Iron (Fe) | Balance |
Property | Value |
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Tensile Strength | ≥ 620 MPa |
Yield Strength (0.2%) | ≥ 450 MPa |
Elongation | ≥ 25% |
Hardness (Brinell) | ≤ 293 HB |
Impact Resistance | Excellent (down to -50°C) |