Meeting NACE MR0175 Requirements: Is 22 HRC the Only Requirement?

This page includes an embedded video from Vimeo, in which Ivan Gutierrez clarifies whether a maximum hardness of 22 HRC is the only requirement to meet NACE MR0175.

Understanding NACE MR0175 Requirements

The answer states that a maximum hardness of 22 HRC is one of the requirements for some carbon steel and low alloy steels, but it is not the only one. Carbon and low alloy steels must meet requirements of chemical composition, heat treatment, and HIC resistance to fulfil the NACE MR0175 requirements. The risk of HIC and other cracking mechanisms needs to be assessed. Meanwhile, stainless steels and other Corrosion Resistant Alloys (CRAs) have additional requirements. Additionally, each type of CRA may have different requirements for different applications, such as downhole components requirements being different from valve and pipeline material.

Learn More About NACE MR0175

The page also includes a link to the Frequently Asked Questions section for more information on NACE MR0175 and a call to action to contact their corrosion consultants and oilfield metallurgists for compliance with NACE MR0175/ISO 15156.