The steel grade of API 5CT K55 casing tubing is low in oil drilling. API 5CT K55 casing tubing is widely used in shallow oil and gas production. Compared with other grades of steel, API 5CT K55 casing tubing has low cost and wide application, which can be widely used in shallow wells, geothermal wells and water wells.

API 5CT K55 casing tubing chemical composition

API 5CT K55 casing tubing mechanical properties

API 5CT K55 casing tubing features
1, The surface of thread of coupling and API 5CT K55 casing tubing should be smooth without any tear, burr or other defects that may have a negative impact on the strength and close connection.
2, API 5CT K55 casing tubing is offered with a free length range from 8m to 13m on basis of the SY/T6194-96 norm. However, it is also available no less than 6m length and its quantity should be no more than 20%.
3, Deformations which mentioned above are not allowed to appear on the outer surface of API 5CT K55 casing tubing coupling.
4, Any deformation such as crease, separation, hairline, crack or scab is not acceptable on both inner and outer surfaces of the product. All these defects should be completely removed, and the removed depth must not exceed 12.5% of nominal wall thickness.

Welcome to choose API 5CT K55 casing tubing form BBN. We are the professional steel manufacturer export API 5CT K55 casing tubing, we have our own factory to produce the API 5CT K55 casing tubing. If you want to purchase API 5CT K55 casing tubing, please contact us freely. We can supply the API 5CT K55 casing tubing according your requirement.