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API New Working Item

Proposal to develop C125 pipes for deep-water use, conducting testing based on NACE TM.0177 Method A criteria, mimicking API C110 program 2318A for acceptance. Test solutions include NACE B and D, with set durations.

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API New Working Item

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  1. API New Working Item Develop C125 DCB Acceptance Criteria

  2. Rational • Increasing demand for high strength C125 in deep water applications. • No API and ISO specifications for C125 • Only Method A test acceptance criteria in vendor’s product specification. No Method D acceptance criteria. NACE TM 0177 Method A (pH3.5, PH2S = 0.5 psi, 24C, and 85% SMYS applied stress)

  3. Proposal • Adopt similar testing approach of current API C110 program 2318A. • Select 5 pipes and MTRS from 3 manufacturers. • Select three arm displacements. • Test solutions: NACE B and D. • Test durations: 14 days for Solution B and 17 days for Solution D ?

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