Casing Pipe for water well

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API 5CT M65 casing pipe

Our company produces M65 casing pipe strictly according to the API 5 CT standards.Dalipal Company is one of the most famous enterprises of china professionally producing pipeline and oil casing.We can supply API 5CT series of pipeline and oil casing with all kinds of specifications and materials.We have first-class production equipment and technology.

Main Specification


API 5CT M65 Casing Pipe for water well

External thickness

“4 1/2- 20”inch, (114.30- 508.00 mm)

Wall thickness

5.21-16.13 mm

Grade M65 for API threads

There are no Grade M65 couplings. Grade L80 Type 1 couplings shall be used on Grade M65 pipe.


used for protecting pipeline


API 5CT,Russian Certificate,ISO,CCS

Coating and steel thread protector

Oil Casing Pipe Grade colour codes

Casing pipes are used for oil , gas and water wells. Steel casing pipes and tubing are applied to furnishing and installing cased tunnels, where they indicate to pass other utilities or obstructions without open excavation. Steel casing pipes and tube have smooth wall and a minimum yield strength of 35,000 psi. Corrosion-proofing water-based paint is applied on the outside pipe surface to protect against atmospheric corrosion during transportation and storage. The pipes can be delivered with metal or composite caps at both ends for thread protection.Casing pipes are manufactured out of steel are smelted in the electric furnace, treated with synthetic slags and cast by continuous casters. The applied steel making process ensures the achievement of chemically pure steel with reference to sulphur and phosphor contents providing high tensile, ductility and corrosion resistance properties of pipes to be operated at low temperatures in various corrosion media. Pipes are heat-treated in a computerized walking beam furnace. Steel grades and heat treatment regimes applied allow high-strength pipe to be obtained.

API Specification 5CT / ISO 11960

Hydrostatic test pressure for Grade M65 casing

We have the ability to detect the whole process. We can fully guarantee the high quality of the products.

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