: It was discontinued in the late 20th century. In many cases, corrosion testing for stainless steels shifted toward more specific standards like ASTM G31 (Standard Guide for Laboratory Immersion Corrosion Testing of Metals). Current Alternatives :
The original A279 standard focused on , which is often called a "quick and dirty" method for evaluating metal durability. Key Procedures (Historical) Astm A279 Pdf
Look closely at your keyboard or your old notes. The numbers "7" and "9" are adjacent. It is highly plausible that a decade ago, someone mis-typed "ASTM A297" as "ASTM A279," and that incorrect reference has since propagated through old forum posts, unofficial spec sheets, and even some procurement documents. : It was discontinued in the late 20th century