Tubing and Casing Coupling Couplings are short lengths of pipe used to connect 2 joints of tubing or casing.They come with painted colour codes on their external surface to indicate their grades. Standards and Technical Conditions for Supply: API Spec 5CT and 5B Size: 1.9”...Read More
API 5CT oil casing pipe Well casing serves as well sidewall. Standard: API Spec 5CT / ISO 11960. Size: 4-1/2" - 20". Steel Grade: J55, K55, N80, L80, C90, T95, P110, V150, 13Cr-80/110, 28Cr-80/110. Thread Type: STC, LTC, BTC, TPCO series, Vam series, Hydril series,...Read More
Welcome to buy or wholesale high quality octg at cheap price from our factory. As one of leading octg manufacturers and suppliers in China, we have bulk products in stock at your choice.
