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API Specification 4F

API Specification 4F, 5th Edition, Drilling and Well Servicing Structures has been updated to incorporate the latest edition of the American Institute of Steel Construction's (AISC) code update for Allowable Strength Design to make sure components are manufactured to the highest standard, with safety, reliability, and sustainability at the forefront. 

API Specification 4F is available for purchase on the API Webstore

Stay up-to-date on all API Publications like Spec 4F across an organization with API Standards Online Subscription.