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ASTM A240 UNS S32205 Duplex SS Plate

Sep 19, 2025

What is SA 240 uns S32205 material?

ASME SA 240 is the American Society of Mechanical Engineers (ASME) standard specification for chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and general applications. "UNS S32205" is the Unified Numbering System designation for this alloy. Its dual austenite-ferrite microstructure makes it a cost-effective, strong, and durable material for industries such as oil and gas, petrochemical, and marine, where strength and durability in corrosive environments are critical.
Duplex 2205 plate/sheet can be hot-rolled or cold-rolled. Cold-rolled plate thicknesses range from 0.5 mm to 6.4 mm, while hot-rolled plate thicknesses range from 3 mm to 10 mm. Plate thicknesses range from 0.1 mm to 100 mm, and widths from 10 mm to 2500 mm.

 

Duplex 2205 Sheet  Chart

ASTM Specification ASTM A240 / ASME SA240
Standard MSRR, AMS, BS, ASTM A240 / ASME SA240
Length & Sizes 1000 mm x 2000 mm, 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1250mm x 2500mm, 1500mm x 3000mm to 6000mm, 2000mm x 4000mm to 6000mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm, 2m, 2.44m, 3m, 36" X 120" or 48" X 144", 4' x 8', Cut to size available
Thickness 0.1mm to 100 mm Thk
Width 10-2500mm
Hardness Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Temper Annealed
Condition Polished on both sides
Finish Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Stock in form of Plate, Sheet, Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Clad Plate, Rolling Sheet, Flat Sheet, Rolling Plate, Flat Shim, Blank (Circle), hot rolled, cold rolled, annealed, soft annealed, descaled, sheared, tread plate, Checker Plate
Value Added Service Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc.

 

Equivalent of Duplex SS 2205 Sheet

STANDARD UNS WERKSTOFF NR.
Duplex S31803 S31803 1.4462
Duplex S32205 S32205 1.4462

 

Chemical Equation of Duplex Steel 1.4462 Sheet

S31803 / S32205 C N P Si Mn Mo Fe Cr S Ni
1.0 0.03 0.02 2.0 3.0 - 3.5 22.0 - 23.0 0.03 4.5 - 6.5 0.14 - 0.2 Bal

 

Mechanical Strength Table of Duplex S32205 Sheet

S31803 / S32205 Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi - 80000 , MPa - 550 Psi - 116000 , MPa - 800 15 %

 

What's the difference between ASME SA 240 S32205 hot-rolled and cold-rolled plate?
The primary difference is that ASME SA 240 S32205 hot-rolled plate is processed at high temperatures, resulting in high toughness and resistance to reshaping at room temperature; whereas A240 UNS S32205 cold-rolled plate can be reshaped. Neither material can be annealed after production through any heat treatment, but duplex stainless steel ASTM A 240 S32205 cold-rolled plate can be strengthened through welding and cold-working. 

 

GNEE is a manufacturer and supplier of custom-sized plates and steel plates. Duplex 2205 steel plates are suitable for high-strength applications such as paneling, platforms, containers, and fabrication plants for enhanced corrosion resistance. We are a supplier of 2205 Duplex steel plates to over 40 countries. Get the best quote for 2205 Duplex steel plates. View SAF 2205 steel plate thicknesses. If you are looking for a Duplex steel plate supplier, please contact us at Mail:es@gescosteel.com.

 

ASME SA 240 S32205 hot-rolled plate
ASME SA 240 S32205 hot-rolled plate
SA 240 S32205  cold-rolled plate
SA 240 S32205  cold-rolled plate

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