API Coupling and threads for Casing & Tubing (OCTG Explore further
API Coupling dimensions. API casing and tubing coupling dimension ranges from OD 1.05 inch to 20 inch (26.7 mm to 508 mm), wall thickness normally ranges from 0.16 inch to 1 inch (4.2 mm to 22 mm). Dimensions and tolerances. There are several groups defined in API 5CT for coupling …
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