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HIC Development and Failures Occur Predominantly in Welded Pipe

2 HIC Development and Failures Occur Predominantly in Welded Pipe [Pg.519]

Specification and type Grade (MPa) Size (NPS) Wall Thickness (mm) H2S (mol %) co2 (mol %) Temperature (°C) Pressing (MPa) Comments  [Pg.520]

3 Rupture at midwall HIC/SWC after 12 yrs Rupture at midwall blisters after 5yrs 18 19 [Pg.521]



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Pipe failures

Predominates

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