What is the composition of API 5CT K55 Steel?

Published composition ranges are not available for API 5CT K55 Steel in this record. PARTIAL - parsed from a truncated 500-char source excerpt; the element set is INCOMPLETE and must NOT be used for validation, specification or purchasing

What standards cover API 5CT K55 Steel?

The governing standards for API 5CT K55 Steel include API 5CT. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

What is API 5CT K55 Steel used for?

This alloy is used in applications demanding the property set described in its family: low_alloy_steel.

How do I verify a mill certificate for API 5CT K55 Steel?

Compare each element value on the certificate against the min/max ranges in the spec table above. Paste the values into the SpecBase validator to get an automated pass/fail check.

What UNS number is assigned to API 5CT K55 Steel?

No UNS number is assigned; identify by the AMS or ASTM grade on the certificate.

API 5CT K55 Steel

low_alloy_steel

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Quick answer

API 5CT K55 Steel is a low alloy steel specified by API 5CT. Typical composition: .

A carbon steel grade specified under API 5CT for oil and gas well casing and tubing, characterized by a minimum yield strength of 55 ksi (379 MPa). It is a common choice for general purpose applications in non-corrosive environments.

Applicable Standards

API 5CT

Frequently asked questions

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