ASTM A790 UNS S31803 Duplex Steel Seamless Pipe features 8-inch (DN200) size, 24 mm thickness, and 6-meter length, offering high strength and excellent corrosion resistance. Widely used in oil, gas, petrochemical, offshore, and marine industries, it ensures reliable performance under high pressure and harsh environments. As a leading Duplex Steel Seamless Pipe Supplier in China, we provide high-quality products meeting international standards for durable and dependable industrial applications.