Out Diameter: 2-3/8" ~ 4-1/2" (60.32mm ~ 114.3mm) Wall Thickness : as per API 5CT standard ( the latest edition ) Length: R1, R2, R3 Steel Grade: H40/J 55/K55/N80/ C75/L80/C90/ T95/ P110/Q125 Pipe Type: Seamless (SMLS) Threads or Connection: EUE, NUE Surface Treatment: Anti-corrosion Water Based Paint Packing: Protection Caps on both ends and in bundles with steel strips and two tags as per export requirements Application: Used as the architectural retainer for the walls of oil, gas wells
