Definition(s)


Corrosion-Resistant Ring Groove

Ring groove lined with a CRA or an austenitic stainless steel to resist metal-loss corrosion.

Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

Source: API SPEC 6A, Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition, October 2010 (Addendum November 2012). Global Standards

 

Corrosion-Resistant Ring Groove

Ring groove lined with metal resistant to metal-loss corrosion.

Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

Source: API SPEC 16A, Specification for Drill-through Equipment, Third Edition, June 2004 (Errata/Supplement November 2004). Global Standards

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