ASTM B167 UNS N06693 a nickel-chromium-iron alloy seamless pipe and tube made from Nickel Alloy 693 high-temperature corrosion, particularly
UNS N06693, commonly known as Inconel 693 or Alloy 693, is a nickel-chromium-iron-aluminum alloy designed for exceptional high-temperature corrosion resistance, particularly against metal dusting, oxidation, and sulfidation. It’s specified under ASTM B167 for seamless pipe and tube applications in demanding environments.












