... Steel grade: J55, K55, N80, L80 Thread Type: LTC, STC, BC Quality Control: ISO9001Product Descriptionoil ... pipeCasing is a large-diameter pipe that serves as the structural retainer for ... exploration, drilling and extraction. Seamless TPCO pipe is pipe that is cast instead or being and ... : J55, K55, N80, L80, P110, Q125Thread Type: LTC, STC, BCProduction Standard: API SPEC 5L ...