Tbg/Csg Tubing and Casing Shandong Meshine Thermal Tech Co., Ltd. Base Info Model NO.:1.9′′ to 9-5,8′′ grade K55, J55, N80, L80, P110Type:SeamlessTechnique:Hot RolledMaterial:Carbon SteelSurface Treatment:BlackUsage:Oil,Gas DrillingSection Shape:Round Description Pre:N08904/1.4539/904L/Acid-Resistant&Heat-Resisting Steel Sheet Next:Alloy 713c/N07713/2.4671 Stainless Steel Coil Plate Bar Pipe Fitting Flange Square Tube Round Bar Hollow Section Rod Bar Wire Sheet