Discover top-quality API 5CT oil casing from a leading manufacturer offering a comprehensive range including J55, K55, N80, C75, L80, C90, T95, and Q125. Our products feature square ends, plain ends, and beveled, and threaded ends, catering to various requirements. With outer diameters ranging from 114.3 to 508 mm and wall thicknesses from 5.21 to 16.13 mm, we ensure reliability and durability for your oil casing needs.