Steels specimens-Cast irons, steels, tool steels, manganese steels, ferritic and martensitic stainless steels

Material: Steels specimens
Type: Micro
Method: Chemical etching
Etchant (Electrolyte): 100 cc distilled water, 3 g potassium metabisulfite.
Procedure: Immersion etching for 2-3 min. Color etching.
Note: Cast irons, steels, tool steels, manganese steels, ferritic and martensitic stainless steels. Banded structure in steels will be outlined accurately.
Source: Practical Metallography, Vol. 8, No. 9, 1971, p. 547-550.















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