
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 coupl
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 |
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Main Product:
Tubing&Casing Coupling,
API 5CT PUP Joint,
X-over Crossover ,
Down Hole Tools,
Cementing Tools,
Sucker Rod Couplings