At OGC Energy we help the energy industry with finding answers to some of their most difficult questions. We have created this section hoping that you will find answers to some of the most common questions in the following areas:

  • Corrosion in offshore industry
  • Downhole corrosion
  • Materials Selection
  • ANSI/NACE MR0175 / ISO 15156
  • H₂S

If you require technical support in metallurgy, corrosion, or welding; or if you need assistance meeting the requirements of ANSI/NACE MR0175/ISO 15156 then contact our team, we are here to help you.

  • 221.

    Responsibility for NACE MR0175 Certification: Manufacturer or User?

    OGC Energy: NACE Certification Assistance Are you struggling with material and equipment certification to NACE MR0175? OGC Energy frequently receives queries on this topic and has created a brief webinar to help clients understand the fundamentals of certification to NACE MR0175. We can help you overcome certification challenges and more. Our Team Has Assisted Clients […]

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  • 222.

    What is NACE MR0175 definition of a Corrosion Resistant Alloy (CRA)?

    Clarifying the Definition of Corrosion-Resistant Alloys in NACE MR0175/ISO 15156-1 If you’re wondering whether Fe-based alloys are included in the definition of “corrosion-resistant alloys” (CRAs) in Part 3 of MR0175/ISO 15156, you’re not alone. The use of the term “other alloys” in conjunction with CRA can add to the confusion. According to the ISO 15156 […]

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  • 223.

    Hardness Limits for Solid Solution Nickel Alloys: ISO 13680 vs. NACE MR0175

    ISO 13680 and NACE: Understanding the Differences in Maximum Hardness Values The inquiry concerns NACE MR0175/ISO 15156 Table A.14, which specifies that “The maximum hardness value for these alloys in these applications shall be 40 HRC.” However, ISO 13680 Table C.27 indicates a Mean Hardness Number of 33 or 35 HRC, depending on the grade […]

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  • 224.

    What is the NACE MR0175 latest edition?

    What is the NACE MR0175 latest edition? [insert page=’nace-mr0175-latest-edition’ display=’content’]  

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