Features: 1) Pipe diameter: 2-3/8" - 13-3/8" 2) Thickness: 0.19-1.00" 3) Steel grade: J55/K55, H-40, Features:1) Pipe diameter: 2-3/8" - 13-3/8"2) Thickness: 0.19-1.00"3) Steel grade: J55/K55, H-40, C-90, C-95, N80, L80, P1104) Standards: API 5CT5) Applications: for oil field industriesOuter packing:Bundles or seaworthy wooden cases Seamless OCTG (Casing/Tubing)