CE, RoHS, ISO 9001:2000, ISO 9001:2008
Crude Oil
Vertical
Cast Steel
China
Product Description
Oil and casing joints are produced and processed according to the latest version of APISPEC 5CT Specification. Commonly used materials include J55, K55, N80N80-1, N80-Q, L80, P110 and other steel grades; There are two types of tubing sub segments: unthickened (NU) and externally thickened (EU). The casing nipple has three kinds: partial trapezoid (BC), long circle (LC) and short circle (SC). The company has complete detection methods, using a complete set of thread detection instruments including taper, pitch, tooth height, tooth type, etc. The product has passed the identification of China National Petroleum Corporation oil pipe quality supervision and inspection test center.
