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Watertoen Arsenal's etchant - Fe and most steels - General macrostructure

Material Name: Fe and most steels
Recipe No.: 9536
Primary Chemical Element in Material: Fe
Sample Type: Bulk
Uses: General macrostructure
Etchant Name: Watertoen Arsenal's etchant
Type (Macro/Micro): Macro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 38 ml HCl, 12 ml H2SO4, 50 ml H2O.
Procedure (Condition): Use at 160-180 F. Immerse sample for 10-60 min. Good contrast obtained.
Note: Can be used for stainless steel. Use with cut or ground surfaces.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 517.