S31803 Duplex Steel Flange is a type of flange made from Duplex stainless steel (specifically the S31803 grade), a material known for its high strength, corrosion resistance, and superior weldability. They are relatively easy to weld, and their good weldability makes them suitable for a wide range of industrial applications. Their ability to withstand aggressive environments, along with their cost-effectiveness over time, makes them a preferred choice for a variety of demanding applications. S31803 Duplex Steel Flange are highly durable, corrosion-resistant, and offer excellent mechanical strength, making them ideal for high-performance applications in industries such as oil and gas, chemical processing, marine, and power generation.