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The implemental standards for the oil casings are API 5CT; the specifications include...
API 5CT/5Bsteel oil pipe tubing,casing 1.OD:1'-20' 2.carbon seamless steel pipe 3...
Size Outer Diameter Casing OD 4 1/2"- 20" (114.3mm-508mm) Tubing OD 2 3/8" - 4 1/2...
API 5CT J55/K55/N80/P110 Casing Coupling 4 1/2" to 20" Api Casing Coupling ...
Api Casing Coupling Size 4 1 / 2-20in Thread VAM NU EU STC LTC BTC NPT ...
Casing Pipes/Carbon Seamless Steel Pipe/Oil Drilling Tubing Pipe Size OD 114.3...
FROM 1.09 "-20" Standard according to API 5CT Length Random length, o...