On this page 5 sections
What NACE MR0175 covers
Standard at a glance
- Standard
- NACE MR0175 / ISO 15156
- Issued by
- AMPP / ISO
- Grades on site
- 7
Requirements and recommendations for selecting and qualifying metallic materials that resist sulphide stress cracking and other H₂S-related cracking in oil and gas production equipment.
Key requirements
- Hardness limits for carbon and low-alloy steels (typically 22 HRC)
- Environmental limits for CRAs (H₂S, chloride, temperature, pH)
- Material and heat-treatment restrictions
- Documentation of compliance
Summary for procurement guidance. Refer to the current edition of the standard for full requirements.
Grades supplied to NACE MR0175
Ordering to NACE MR0175
- State "NACE MR0175" and the edition if your project requires it
- Grade / designation and product dimensions
- Supplementary requirements (tests, heat treatment, certification)
- Certificate type: EN 10204 3.1 or 3.2
Frequently asked questions
What does NACE MR0175 cover?
Requirements and recommendations for selecting and qualifying metallic materials that resist sulphide stress cracking and other H₂S-related cracking in oil and gas production equipment.
Which grades are covered by NACE MR0175?
On this site: Duplex 2205, Super Duplex 2507, Incoloy 825, Inconel 625, Hastelloy C276, SS 316L, ASTM A193 B7M Stud Bolts.
Do you supply material certified to NACE MR0175?
Yes. Material is supplied to NACE MR0175 with EN 10204 3.1 certificates (3.2 on request), where the mill certifies to it.