High speed steels - Chemical etching

High speed steels - Chemical etching

Material Name: High speed steels
Recipe No.: 10558
Primary Chemical Element in Material: Fe
Sample Type: Bulk
Uses: General microstructure
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 10 ml HCl, 6 ml acetic acid, 1 g picric acid, 100 ml ethanol.
Procedure (Condition): No data
Note: Prior-austenite grain size etchant. For high speed steels. Vescovi and Timo.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 640.