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:
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.
NACE Revision: Changes between NACE MR0175 2009 and NACE MR0175 2015 This article highlights the changes between NACE MR0175 2009 and NACE MR0175 2015, which can be found in a linked article. The question of whether materials and equipment certified to NACE MR0175 2009 comply with NACE MR0175 2015 has no definite answer. Each Material […]
NACE Heat Treatment: Meeting the Requirements of NACE MR0175 Standard NACE MR0175 is an internationally recognized standard that outlines the requirements for metallic materials used in oil and gas production environments where hydrogen sulfide (H₂S) is present. These requirements include chemistry, heat treatment form, hardness, microstructure, and HIC resistance. What is Heat Treatment? Heat treatment […]
CRA Nace: Requirements for Corrosion-Resistant Claddings and Linings NACE MR0175 is an international standard that outlines the requirements for metallic materials exposed to H₂S in oil and gas production environments. The standard provides guidelines for corrosion-resistant claddings and linings, including chemistry, heat treatment condition, microstructure, corrosion testing, welding requirements for overlay weld deposition, and dilution […]
What Is NACE Bolting? NACE bolting refers to bolts that meet the requirements of NACE MR0175, an international standard that outlines the specifications for metallic materials that are exposed to H₂S in oil and gas production environments. This standard is identical to ISO 15156, and ANSI/NACE MR0175/ISO 15156 lists the requirements for carbon steels, low […]
Interpreting NACE MR0103 Standards: Hot Rolled Heat Treatment Condition Introduction This article provides a question and answer related to the interpretation of NACE MR0103 standards. The question is whether the “hot rolled” heat treatment condition for carbon steels, allowed in section 13.1.1, applies to flanges, fittings, seamless pipe, and other products that are not produced […]
Certification and Compliance of Metallic Materials to NACE MR0103 / ISO 17945 Standards This article addresses common questions related to the certification and compliance of metallic materials to NACE MR0103 / ISO 17945 standards. Responsibility for Conformance to Standards The first question that often arises is who is responsible for ensuring the conformance of “”NACE […]
What Is the Revision History of NACE MR0175/ISO 15156? NACE MR0175 is an international standard that outlines the requirements for metallic materials exposed to H₂S in oil and gas production environments. It is identical to ISO 15156, and ANSI/NACE MR0175/ISO 15156 lists the requirements for carbon steels, low alloys, and corrosion-resistant alloys exposed to H₂S […]
Introduction NACE MR0175 is an international standard that outlines the requirements for metallic materials exposed to H₂S in oil and gas production environments. It is identical to ISO 15156, and ANSI/NACE MR0175/ISO 15156 lists the requirements for carbon steels, low alloys, and corrosion-resistant alloys exposed to H₂S in oil and gas exploration and production environments […]
NACE MR0175 Standard for Metallic Materials in H₂S Environments NACE MR0175 is an international standard that outlines the requirements for metallic materials exposed to H₂S in oil and gas production environments. It is identical to ISO 15156, and ANSI/NACE MR0175/ISO 15156 lists the requirements for carbon steels, low alloys, and corrosion-resistant alloys exposed to H₂S […]
UNS N08029 Seamless Tube: Specifications and Material Type The UNS N08029 seamless tube is specified in ASTM B668-14 and belongs to materials type 4c according to ISO 15156-3 Table A.12. However, the material is not included in ISO 15156-3 2015 Annex D, Table D.3 – Chemical compositions of some solid-solution nickel-based alloys. Questions on Including […]
