Click to view the original image
The performance targets of Tubing model L80 ,J55and N80 our company saled were achieved API 5CT standard requirements . With material of high-quality Proved by used for many years and the scientific experiments ,the tubing casing model L80,j55 and N80 our company saled were made of after a multi-channel precision machining processes, together with strict quality control procedures. Standard: API 5CT 1) Sizes: OD 4 1/2"(114.3mm) 2) Grade: L80, N80 J55 3) Standard: API 5CT, API 5B
