Improving API 1104 for the Twenty-second Edition …
DNV GL 2014SAFER, SMARTER, GREENERDNV GL 2014Improving API 1104 for theTwenty- second Edition1API-AGA Joint Committee on Oil and Gas Pipeline Field welding PracticesBill Bruce SecretaryJanuary 17-19, 2017 JW Marriott Austin Austin, TexasDNV GL 2014Introduction Twenty-second Edition of API 1104 is nominally scheduled for 2018 September 2013 ( twenty -first Edition ) plus five years Incremental improvements to the standard are developed at annual meeting and throughout the year by various subcommittees and task groups Important to occasionally step back and think about where we want to go with the standard in the long term , are we addressing emerging trends? Opportunities for improvement to address two emerging trends will be level of ambiguity discussed at January 2016 weld strength matching Weld metal strength vs. strength of pipe material in axial direction Heat-affected zone (HAZ) softening Open discussion pertaining to other opportunities2DNV GL in API 1104 discussed at January 2016 meeting API 1104 contains quite a bit of ambiguity For welding procedure qualification (and welder qualification) in particular , contains no guidance on what to specify on a welding procedure specification (WPS) in relation to what was used to make the test w
DNV GL © 2014 1. Ambiguity in API 1104 –discussed at January 2016 meeting API 1104 contains quite a bit of ambiguity – For welding procedure qualification (and ...
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