Built for harsh downhole conditions, this 5.5″ 20# 825 110 Plain End R3 tubing delivers high strength and reliable corrosion resistance in highly sour (H₂S) environments with moderate chlorides. Manufactured from Alloy 825 (UNS N08825), it’s rated up to 350°F, MR0175/ISO15156 Type 4c compliant, and withstands up to 200 psi H₂S, making it a strong choice for HPHT and AGI applications.




