Seamless OCTG casing pipe with threaded couplings, API 5CT

Casing H40

Casing by Strength Group

API 5CT

Casing H40 is supplied to API 5CT. Available in H40. Size range: OD 4½″–20″ (114–508 mm); R2/R3. Typical application: Group 1 — shallow / conductor wells, base strength. Made to order with full mill certification (EN 10204 3.1) for oil & gas projects across Iran and the Gulf.

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Specification
Standard	API 5CT
Grades / classes	H40
Sizes / range	OD 4½″–20″ (114–508 mm); R2/R3
Sub-category	Casing by Strength Group
Category	OCTG Casing
Application	Group 1 — shallow / conductor wells, base strength