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The API casing is generally used for the borehole wall support in the drilling as wel...
API casing and tubing couplings Type of coupling: Standard: API 5CT & 5B Steel Gra...
Casing Pipe: Technical standard: API SPEC 5CT、API SPEC 5B Product grade: H40、J5...
Casing Pipes/Carbon Seamless Steel Pipe/Oil Drilling Tubing Pipe Size OD 114.3...
Api Casing Coupling Size 4 1 / 2-20in Thread VAM NU EU STC LTC BTC NPT ...
Oilfield Casing Pipes/Carbon Seamless Steel Pipe/Oil Drilling Tubing Pipe Size ...