
Casing coupling is for the dimensions more than 4 1/2 inch. Differently than tubing coupling is, casing coupling normally does not need to be thickened (Non-upset), which means no upset casing coupling, so it has following types:
Round thread • LTC/LC: Long round thread casing coupling
• STC/SC: Short round thread casing coupling
Buttress thread • BTC/BC: Buttress thread casing coupling
All three types has same thickness of the casing pipe body, just have different lengths.
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Main Product:
Tubing&Casing Coupling,
API 5CT PUP Joint,
X-over Crossover ,
Down Hole Tools,
Cementing Tools,
Sucker Rod Couplings