Which corrosion resistant alloy cladding complies with NACE MR0175?
NACE MR0175 is an international standard that provides the requirements for metallic materials exposed to H2S in oil and gas production environments. ANSI / NACE MR0175 / ISO 15156 provides the requirements for corrosion resistant claddings and linings. These requirements may include:
- Requirements for corrosion resistant alloy (CRA) cladding and linings
- Heat treatment condition
- Corrosion testing
- Welding requirements for overlay weld deposition
- Dilution requirements
- Requirements for base material (carbon steel in most cases)
- Heat treatment form
- HIC resistance
A material used in upstream hydrocarbon production that is cladded or lined with CRA and is exposed to H2S must comply with NACE MR0175. If the classing (or lining) does not meet the requirements, or if the base material is susceptible to H2S related damage mechanisms, the equipment can have a catastrophic failure leading to H2S release to the environment.
Oil and Gas Corrosion Ltd. has a team of expert metallurgists that can help you identify the NACE MR0175 requirements for corrosion resistant alloys cladding and linings as well as base materials. Our team can help you make sure fabrication of pressure vessels and pipelines that use CRA cladded materials comply with statutory requirements and NACE MR0175
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