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API Tubing And Casing Pup Joint

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API Tubing And Casing Pup Joint

API Coupling refers to the steel couplings that used in connecting casing pipe and tubing. Also known by OCTG coupling, it is usually manufactured in seamless type, material grade same with the pipe body (API 5CT K55/J55, N80, L80, P110 etc), same PSL or providing higher grades than requested. Same heat treatment also applicable, except there isan special requirements.

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Description

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,K55,80-1, N80Q, L80-1, P110 etc. There are two types of thread widely used in Tubing pup joint: Non-upset Thread (NUE) and Externalupset 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
Tubing Pup Joint (Pin * Box)
Casing Pup Joint (Pin * Pin)
Customized PPJ (Pin * Box)

Remark: We Can Also Produce Special  Pup Joint Of API 5CT/5B Thread. Thanks For Share The

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