ASTM G161 is the Standard Guide for Corrosion-Related Failure Analysis, providing a practical framework for examining failures where corrosion may have played a role. It helps users approach investigations in a structured way, supporting more consistent identification of damage mechanisms, contributing factors, and possible root causes. For engineers, laboratories, and quality teams, this ASTM standard is valuable because it can improve the reliability of failure reviews and support better technical decisions in service, maintenance, and product evaluation.

What is ASTM G161?

The ASTM G161 guide is intended to support corrosion-related failure analysis by outlining a recognized technical approach for evaluating failed parts, components, or systems. As a guide rather than a prescriptive specification, it is generally used to organize the investigation process and improve consistency in how evidence is reviewed. ASTM G161 is especially relevant when corrosion is suspected as a direct cause or a contributing factor, helping analysts document observations, interpret findings, and communicate conclusions in a clear and defensible way.

Where is ASTM G161 used?

ASTM G161 is commonly used in failure analysis workflows where corrosion damage needs to be assessed on metal parts, assemblies, or operating equipment. It may be applied in laboratories, engineering support groups, inspection programs, and reliability investigations. The guide is useful wherever corrosion-related deterioration affects performance, service life, or safety and where a structured review of the failed item is needed. ASTM G161 can also support internal quality reviews and technical reporting when corrosion is part of the suspected failure mode.

Why is ASTM G161 important?

ASTM G161 is important because corrosion-related failures can be complex, with multiple possible causes and contributing conditions. Using a recognized guide helps improve consistency in analysis, reduces the chance of overlooking key evidence, and supports more credible conclusions. It is also useful for compliance-oriented workflows, procurement assessments, and quality control activities where documented investigation methods matter. By providing a common technical reference, ASTM G161 can help reduce risk and improve communication between engineers, inspectors, and decision-makers.

• Structured corrosion-related failure review
• Evidence-based investigation support
• Consistent technical documentation
• Useful for analysis and reporting workflows
• Supports quality and reliability decisions