The "H" stands for Hardened, followed by the temperature (in Fahrenheit) used for the aging process. A lower aging temperature (e.g., H900) results in higher hardness, while a higher temperature (e.g., H1150) results in better ductility and toughness. Chemical and Mechanical Requirements
Note: Higher aging temperatures result in lower tensile strength but significantly improve ductility, impact toughness, and resistance to stress corrosion cracking. 5. Industrial Applications of ASTM A564 Material
The ASTM A564 PDF is a valuable resource for manufacturers, engineers, and designers who work with precipitation-hardening stainless steel materials. The PDF provides detailed information on the standard specification, including: astm a564 pdf
Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
Common heat treatment conditions include , each offering different combinations of strength, ductility, and toughness. The "H" stands for Hardened, followed by the
While websites like and wendang.net offer free downloads of ASTM A564, these are outdated versions (e.g., A564/A564M‑02a from 2002 or A564‑2013). These free PDFs:
ASTM A564 is a widely used specification covering stainless steel bars, billets, and forgings that are produced by hot working and cold finishing processes. It primarily addresses high-strength, high-chromium, nickel, and other alloy stainless steels supplied in round, square, hex, and flat shapes for applications requiring excellent mechanical properties and corrosion resistance. While websites like and wendang
. It covers a variety of precipitation-hardening (PH) stainless steel grades, such as the widely used 17-4 PH (Type 630)
The 2019 version (PDF) is available via Qilu Stainless. You can also purchase the most current ASTM A564/A564M-25 from the Accuris Standards Store .