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Stainless steels - Electrolytic polishing

Material Name: Stainless steels
Recipe No.: 758
Primary Chemical Element in Material: Fe
Sample Type: Bulk
Uses: Polishing
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Electrolytic polishing
Etchant (Electrolyte) Composition: 175 ml water, 105 g chromic acid, 460 ml phosphoric acid (85%), 390 ml sulfuric acid.
Procedure (Condition): 60 min, stainless steel cathode, 0.5 A/cm2, 27-49 C (80-120 F).
Note: Stainless steels.
Reference: Metallography, Structures and Phase Diagrams, Metals Handbook, 8th Edition, Vol. 8, ASM (American Society for Metals), Metals Park, Ohio 44079, USA, 1973, pp. 30-31.