Duplex Steel UNS S31803 is a stainless steel alloy comprised of approximately 50% iron, 25% chromium, 4.5-6.5% nickel, and 2-3% molybdenum. This alloy give superior corrosion resistance as well as high strength and toughness when compared to other stainless steels. It is often used in the production of sheets, plates, coils, and other products for a variety of applications.
Duplex Steel Sheets, Duplex Steel UNS S31803 Plates, Duplex Steel 2205 Coils, UNS S31803 Duplex Steel Shim Sheets Exporters, Duplex UNS S31803 Plates, SAF 2205 chequer (floor) Plate, DIN 1.4462 Perforated Sheet Suppliers, ASTM A240 Duplex Steel UNS S31803 cold rolled Coil Manufactures, ASME SA240 Duplex S31803 Plain Sheets, UNS S31803 Duplex Ferritic / Austenitic stainless steel Chequered Plates Stockholders in Mumbai India
Duplex Steel UNS S31803 Sheets include hot rolled sheets, cold rolled sheets, annealed sheets and tempered sheets. Hot rolled sheets are best suited for applications that require a higher degree of strength while cold rolled sheets are best suited for applications that require greater formability and ductility. Annealed Sheets are ideal for applications that require improved weldability while tempered sheets provide superior corrosion resistance and excellent machinability properties.
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Duplex Steel UNS S31803 Plates have many uses due to their superior strength and corrosion resistance properties. One common use is in pressure vessels where they provide increased stability by withstanding higher temperatures and pressures than standard stainless steels. These plates can also be used in marine environments where they provide protection against saltwater corrosion as well as hostile chemicals present in seawater.

Duplex Steel UNS S31803 Sheets & Plates
In addition to these uses, duplex steel plates can also be used for heat exchangers due to their ability to withstand high temperatures without losing any structural integrity or performance capabilities. Different types of products are available,such as Super Duplex Steel UNS S32750, Hex Bars, etc.
Duplex Steel UNS S31803 Coils have several advantages over other materials due to its unique characteristics such as good weldability and high temperature performance capabilities which make it ideal for use in high temperature or corrosive environments such as those found on oil rigs or chemical plants where constant exposure to harsh chemicals or extreme temperatures could cause other materials to fail quickly or become corroded quickly over time.
Duplex Steel UNS S31803 This alloy has many excellent qualities including good weldability and corrosion resistance making it perfect for many different types of applications ranging from pressure vessels, heat exchangers, marine environments and even structures that require increased stability without sacrificing weight or effectiveness making it one of the most versatile alloys currently available. Duplex Steel Round Bars, Duplex Steel S32205 Sheets Plates Coils and many more grades are also available.
What is Duplex Steel UNS S31803 Sheets?
Duplex Steel UNS S31803 Sheets are corrosion-resistant sheets made from stainless steel, chromium, and nickel alloys. Due to their high durability & resistance to pressure and temperature, they are commonly used in the oil & gas industry for offshore applications, shipbuilding, and seawater systems.
What are the uses of Duplex Steel UNS S31803 Plates?
Duplex Steel UNS S31803 Plates are commonly used in industries where they are highly corrosion-resistant. They are especially popular in the oil & gas industry, where they are used to construct offshore platforms and seawater systems. Due to their superior strength and durability can also be used in shipbuilding and water supply systems.
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Duplex 2205 Stainless Steel Sheets, Plates & Coils Specification
Standard ASTM A240 / ASME SA240
Range 5mm To 150mm
Width 1000mm / 1219mm /1250mm / 1500mm / 2000mm
Length 2000 mm / 2440 mm / 2500 mm / 3000 mm / 6000 mm.
Surface Finishing Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Get QuoteDuplex Steel UNS S31803 Sheet, Plate, Coil Equivalent Indian Standard
STANDARD | UNS | WERKSTOFF NR. |
Duplex 2205 | S31803 | 1.4462 |
ASTM A240 Duplex Steel S31803 Hot rolled Sheets, Plates & Coils Chemical Composition
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
ASME SA240 Duplex 2205 Steel Cold Rolled Sheets, Plates & Coils Mechanical Properties
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
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