S31803 duplex stainless steel tube has excellent corrosion resistance, much higher than 316 grade. ASME SA 789 UNS S31803 tube is resistant to localized corrosion types such as intergranular, crevice and pitting corrosion. Popular choice for a range of applications including marine industries, oil and gas and chemical processing.

Standard: ASTM A789 / ASME SA789、ASTM A790 / ASME SA790、ASTM A928
Sizes: 1/2”- 24”
Outer Diameter: 6.0 - 630mm
Wall Thickness: 1mm - 50mm