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What is the difference between NACE MR0175 and NACE MR0103? Get an answer from our expert team!

NACE MR0175 is an international standard that gives requirements and recommendations for the selection and qualification of metallic materials for service in equipment used in oil and gas production and in natural-gas sweetening plants in H2S-containing environments. NACE MR0103 establishes material requirements for resistance to SSC in sour petroleum refining and related processing environments containing H2S either as a gas or dissolved in an aqueous(liquid water) phase with or without the presence of hydrocarbon.

NACE MR0175 applies to upstream exploration and production operations, NACE MR0103 is specific for refinery environments. Both standards provide specific requirements for different metallic materials like carbon and low alloy steels, stainless steels, nickel alloys and other metallic materials.

Our team can help you define and implement the requirements of NACE MR0175 and MR0103. We can help you confirm if a material complies with these standards.




Talk to our team today!


With a wealth of experience in the oil and gas industry, we provide independent materials and corrosion consultancy to help companies reduce risk, save money and apply best practice in their oil and gas businesses.

Find out more by getting in touch – you’ll get an answer from a qualified, experienced materials engineer every time.


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