We supply high-quality API 5CT K55 casing pipes in carbon steel, available in 20-inch diameter, R3 threads, and 94 lbs/ft (PPF). Our products meet industry standards with BCT threading and offer a range of material grades, including J55, K55, L80, N80Q, C90, C95, and P110. Available connection types include BTC, STC, and LTC, with thread options R2 and R3. Ideal for oil and gas drilling applications, our casings ensure durability, reliability, and performance. Contact us for customized solutions tailored to your project needs.