Duplex Sheets

What is Duplex Steel Sheet?

Duplex steel sheet is a type of metal alloy that many industries use for manufacturing and production due to its desirable properties. It typically contains 18 - 25% chromium and 3 - 9% nickel combined with other elements and has high strength, excellent corrosion resistance, a uniform microstructure, and good weldability. While intergranular corrosion can be an issue if the alloy is not correctly heat treated, Duplex Steel Sheets can still offer superior performance in various applications requiring a material with excellent toughness, durability, and exceptional aesthetic appeal.

Features of Duplex Steel Sheet

Duplex Steel Sheet is one of the most uniquely designed and crafted sheets available today. It is made with chrome, nickel, molybdenum, and other alloying components, so it is two to three times stronger than normal stainless steel. This type of material truly stands out when it comes to being corrosion-resistant and able to handle high temperatures. Unfortunately, this type of sheet is harder to weld due to its composition; however, if extra care and safety procedures are taken during welding, the results are worth it. Duplex steel sheet has many features that make it highly beneficial for various industries, including power generation, oil and gas extraction, and shipbuilding.

What are the Applications of Duplex Steel Sheets?

Duplex steel sheets are incredibly versatile and offer an array of potential applications. The unique composition of the metal allows it to resist corrosion and crack more effectively than other types of metal, making it suitable for items such as heat recovery systems. In addition, duplex steel has a high-temperature capacity and can maintain its structural integrity even when exposed to marine environments or salt water. It is also often used in circulation systems or power plants, where the combination of strength and corrosion resistance makes it a great choice. Furthermore, it can be found in oil rigs, bridges, and desalination units, all of which depend on increased stability and resistance against environmental conditions. Ultimately, due to their robust properties, Duplex Steel Sheets have many practical applications across various industries.

Different Grades of Duplex Steel Sheet

Duplex steel sheets are among the most sought-after materials for engineering and construction projects, thanks to their combination of high strength and excellent corrosion resistance properties. There are several grades of duplex steel sheet available, with different levels of mechanical properties and corrosion resistance abilities depending on grade. The most common grades are 2205, 2304, and 2553. Grade 2205 has the highest strength while Grade 2553 provides the best corrosion resistance among all other grades. Whether you require a higher level of mechanical strength or increased corrosion resistance, you can trust that the right grade of duplex steel sheets is available to meet your specific requirements.

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Duplex Stainless Steel Sheet Specification

Standards	ASTM A240 / ASME SA240
Thickness	4mm-100mm
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 plate (HR), Cold rolled sheet (CR), SATIN (Met with Plastic Coated) etc.
Form	Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.