API 5CT P110 Steel Casing

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API 5CT P110 Steel Casing

The P110 API-5CT steel casing pipe is the high grade amongst other grades of steel.  White band is marked on the finished casing to point out the materials. During petroleum drilling and producing, this casing pipe is generally used in a variety of complicated territory due to its higher tensile strength and higher yield.

It goes down the deepest into the well among other types. However, the price is comparatively high, as well as the quantity of usage is comparatively few. P110 casing pipe is mainly used in a particular surroundings and when the drilling depth extends to a particular level.


Physical properties are checked and each length hydrostatically tested, normally to only 3,000 psi in the plain end (unthreaded) condition. The following are also checked:





Part of this inspection is to drift all lengths.

Despite all the American Petroleum Institute (API) specifications and testing, some tubing defects are still found after delivery; thus, some operators do further inspection.

Inspection Method

Size and surface inspection

NDT and pressure test and third party certification


Drifting test

Physical and chemical analysis

Hardness and pressure test.


Magnetic particle


2019-07-31T15:49:57+08:00 July 31st, 2019|