Overview
K55 is an economical carbon steel grade suitable for shallow well applications with moderate mechanical requirements. Its balanced properties make it widely used for surface and intermediate casing in non-critical environments.
Technical Specifications
Hardness22 HRC max
Max Yield80,000 psi
Min Yield55,000 psi
Elongation19.5%
Min Tensile95,000 psi
Applications
Surface casing
Shallow wells
Low-pressure applications
Conductor pipe
Frequently Asked Questions
What is K55 Grade?
K55 is an economical carbon steel grade suitable for shallow well applications with moderate mechanical requirements. Its balanced properties make it widely used for surface and intermediate casing in non-critical environments.
What are the applications of K55 Grade?
K55 Grade is commonly used for: Surface casing, Shallow wells, Low-pressure applications, Conductor pipe.
What API standard applies to K55 Grade?
K55 Grade is manufactured according to API 5CT specifications.
Manufacturers
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