X-OVER COUPLING

API Tubing and Casing Pup Joint Tubing and Casing Pup Joints are machined according to the latest version of API Spec 5CT. It’s used to connect two pipes of same diameter with the same types of thread on the two ends. The Steel Grade includes J55,K55,N80-1, N80Q, L80-1, P110 etc. There are two types of thread widely used in Tubing pup joint:Non-upset Thread(NUE) and External-upset Thread(EUE) There are three types of thread widely used in Casing pup joint: Long-Round Thread(LTC), Short-Round Thread(STC),Buttress Thread(BTC) There are two types of End thread: Pin*Pin, Pin*Box(Pin*Pin with coupling) OD Standard Length Connection Steel Grade 2 3/8”-4 1/2” API 5CT Customized NUE/EUE J55/K55/N80/L80/P110 4 1/2”-20” API 5CT Customized LTC/STC/BTC J55/K55/N80/L80/P110

2022/12/23