NACE MR0103 "Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments"1 was developed by Task Group 231 to provide a standard set of requirements for materials used in sour petroleum refinery equipment. In the past, NACE MR01752, "Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment", was frequently referenced for this equipment, even though refinery applications were outside the scope of MR0175. The process used to develop MR0103 is described, followed by a review of the requirements in the standard accompanied by highlights of the differences between MR0103 and the previous and current versions of MR0175.

Subject
Materials, Sour environments, Weldments, Welding, Refineries, Base metals, Maximum hardness, Steel, Carbon steel, Stainless steel, Sulfide stress cracking, Hardness, Alloy steel
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2004
Association for Materials Protection and Performance (AMPP)
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