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What are the NACE MR0175 requirements for Gr. 660 subsea bolting external to the production wellbore?

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Question:

Does NACE MR0175/ISO 15156-3 Table A.26 apply to Gr. 660 material used in subsea bolting applications external to the production wellbore environment when indirectly heated above 150°F?

Answer:

Table A.26 does not apply to Grade 660 material used in subsea bolting applications external to the production wellbore environment.

This question is in relation to NACE MR0175/ISO 15156-3 A.8, Table A.26

Reference: ISO 15156 Maintenance Panel Inquiry #2005-09Q2

 

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