ASTM A262

ASTM A262 is the ASTM standard for detecting susceptibility to intergranular attack in austenitic stainless steels. It provides a practical framework for evaluating whether a material may be vulnerable to corrosion along grain boundaries, which can affect durability and service performance. For engineers, quality teams, and buyers, this standard helps support informed material selection and product verification when stainless steel performance under corrosive exposure matters.

ASTM A262 standard overview

ASTM A262, titled Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels, sets out practices used to assess whether these stainless steels show signs of intergranular attack. The standard is focused on testing and evaluation rather than on defining a material grade itself. In product selection and quality control, it is commonly used to compare material condition, confirm suitability, and support consistent technical decisions for austenitic stainless steel products.

Where is ASTM A262 used?

This standard is commonly used wherever austenitic stainless steels are specified and corrosion resistance must be checked with care. It is relevant in laboratory testing, incoming material inspection, and manufacturing quality workflows for stainless steel components and semi-finished products. ASTM A262 may also be used during procurement and acceptance review when buyers need evidence that austenitic stainless steel has been evaluated for susceptibility to intergranular attack under controlled test practices.

Practical importance of ASTM A262

ASTM A262 matters because it helps reduce uncertainty when assessing stainless steel performance in demanding environments. By providing a recognized set of practices, it supports more consistent testing, clearer procurement requirements, and better comparison of results between suppliers or laboratories. That consistency can improve quality control, aid compliance efforts, and help identify material condition concerns early, before they affect service life or product reliability.

• Intergranular attack evaluation
• Austenitic stainless steel testing
• Material qualification and verification
• Quality control and acceptance decisions
• Consistent laboratory assessment