... 12.19Standard:API5CTMaterial:J55,K55,L80-1, N-80, P110Connection:Casing: LTC, STC, BTC.Tubing: NUE, EUEEnd:Beveled, Square ... cut. And pipe protection cap specially for casing and tubingSurface: Corrosion proofing water based paint, oiled or ... or customers' requestsLength: R1,R2,R3MaterialSizeO.D. (mm)W.T.(mm)J55 K55 L80-1 N80-1 C90 P1104-1 ... P11013-3/8"339.739.65-12.19 Casing pipes