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09/04/2018 - API 5L 46th Edition

Specification for Line Pipe, Forty-sixth Edition API SPEC 5L Specification for Line Pipe, Forty-sixth Edition has been published on 04/01/2018. Changes from the previous edition include the following: - updated and expanded requirements for mill jointers (differentiate between double-jointers and mill jointers; avoid welding consumables environmental contamination; require qualification standards; new process testing requirements; clarify offset and undercut requirements; standardize marking requirements; reference weld repair annex); - updated requirements for pipe end squareness; updated requirements for hardness testing on PSL 2 pipe for sour service and PSL 2 pipe for offshore service; - a new annex for strain-based design requirements (PSL 2 pipe for applications requiring longitudinal plastic strain capacity).

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