Duplex 2205 / 31803 Foil

What is Duplex 2205 Foil?

Duplex 2205 foil is a corrosion-resistant alloy made of chromium, molybdenum, and nickel. It’s also known by its UNS designation S31803 or its European equivalent EN 1.4462. Duplex 2205 foil is commonly used in oil and gas exploration as well as chemical processing equipment because of its robust properties. Duplex 2205 foil has good formability due to its duplex microstructure and high strength-to-weight ratio making it an ideal material for applications where both durability and economy are desired. Its superior resistance to pitting, crevice corrosion, and stress corrosion cracking (SCC), erosion, and general corrosion make it the perfect choice for many industries including aerospace, automotive, and food processing. Duplex 2205 foil is also a cost-effective alternative to high-end alloys like stainless steel and titanium alloys in certain applications. It has excellent weldability properties allowing it to be welded using the same methods used for austenitic stainless steels. Its wide range of suitable applications makes Duplex 2205 foil an ideal choice for many industries looking for metal foils that have superior corrosion resistance and strength.

What are The Duplex 2205 Foil Uses?

Duplex 2205 foil is a type of stainless steel alloy used for many different applications. It is made up of 22% chromium, 3% molybdenum, and 5% nickel alloyed together with other materials. This combination gives Duplex 2205 foam excellent corrosion resistance, strength, and durability. Its versatile nature makes it suitable for a wide range of uses in medical, industrial, architectural, and marine applications.

The Duplex S31803 Foil variant offers superior corrosion resistance compared to standard austenitic stainless steels while still retaining high mechanical properties such as strength and ductility. This makes it an ideal choice for demanding environments where exposure to corrosive elements or chemicals can cause damage to other materials. For example, Duplex S31803 foil can be used in the construction of pressure vessels, storage tanks, and piping systems due to its ability to stand up against harsh environments.

In addition to being used for industrial purposes, Duplex 2205 foil is also widely used in the food industry as it can withstand heat and pressure, and is highly resistant to corrosion. It is often used to line food processing equipment and containers, as well as being used as a protective coating on food packaging materials.

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Specification of DUPLEX 2205/31803 Foil

Standards	ASTM A240 / ASME SA240
Thickness	0.3 - 10.0mm & AS PER CUSTOMER’S REQUIREMENT
Width	1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm & AS PER CUSTOMER’S REQUIREMENT.
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm & AS PER CUSTOMER’S REQUIREMENT.
Hardness	Soft, Hard, Half Hard, Quarter Hard, Spring Hard AS PER CUSTOMER’S REQUIREMENT.
Test Certificate	Chemical test, Fitting test, Alloy test, Radiography test, Macro and micro-test, Hydrostatic test, Impact test.
Finish	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, chequered, embossed, hairline, sand blast, Brush, etching, Hot rolled (HR), Cold rolled (CR), SATIN (Met with Plastic Coated) etc.

31803 Duplex Steel Foil Size & Weight

Duplex Steel 2205 Foil Price List