17-4PH / 1.4542 / S17400Precipitation Hardening Martensitic Stainless Steel. Stainless Steel 17-4 PH is a precipitation-hardening martensitic stainless steel that is widely used in a variety of applications due to its high strength, corrosion resistance, and excellent toughness. It is also known as ASTM A564 (630), which is the specification
138.0 mm] round bar. 10 to 12ft [3.0 to 3.6 m] in length, ASTM A 564 dated . End usc: valve shafts. 4. General Requirements 4.1 In addition to the requirements of this specification, all requirements of the current edition of Specifications A 484/ A 484M shall
ASTM A564/A564M-2013. : 360. : Designation: A564/A564M − 13Standard Specif i cation forHot-Rolled and Cold-Finished Age-Hardening Stainless SteelBars and Shapes 1This standard is issued under the f i xed designation A564/A564M; the number immediately following the designation indicates the yearof …