The Heat Treater’s Guide Companion, created by ASM International and the ASM Heat Treating Society, provides ready reference data on more than 430 steel, aluminum, and magnesium alloys. Content includes chemical composition, similar U.S. and foreign alloys, characteristics, and recommended heat treating procedures. The app can be used by itself or as a companion to the ASM Heat Treater’s Guide print and online database products, which provide additional heat treating data such as representative micrographs, isothermal transformation diagrams, cooling transformation diagrams, tempering curves and data on dimensional change.

ASM International serves materials professionals, nontechnical personnel, and managers worldwide by providing high-quality materials information, education and training, networking opportunities, and professional development resources. The ASM Heat Treating Society is the world’s premier membership society dedicated to the advancement of heat treating as a theoretical and applied discipline.