STAINLESS STEEL ETCHANTS

Please use the table below to select the correct etchant for your stainless steel.

Type of Stainless Steel: Etchant to Use:
301, 302 Fry’s
303, 304 Fry’s or Vilella’s
316, 317, 321 Marble’s
403, 405, 410, 416, 418, 420, 422, 430, 440 Vilella’s
13-8 PH, 15-5 PH, 17-4 PH Fry’s
17-22, 17-22A Vilella’s
21-6-9 Fry’s
A286 Fry’s
Duplex 2205, maraging steels S1098 Schantz
Electrolytic etching of 300 series Oxalic etching solution
Macro-etching stainless steel Stainless steel weld etch
Prior-austenite grains Prior-austenite grain boundaries etch
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