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Thanks, Duwe6. I'll look into that solution. MJCronin: The acid is only used to verify removal of the arc strike. Still accomplished by grinding.

Which etchants would you recommend Mr. EdStainless? Thank you. David.Blosser@kinetic-solutions-llc.com

ASTM A340 Quick View Active,most current, complete document Revision / Edition: 03A Chg: W/ REAP Date: 00/00/11 STANDARD TERMINOLOGY OF SYMBOLS AND DEFINITIONS RELATING TO MAGNETIC TESTING Is this the document to which you were referring? Not sure how it applies to etching. What am...

I have performed Nital/Ammonium Persulfate acid etching on Carbon Steels to verify removal of Arc Burns per ASME B31.4 and B31.8, but have never applied this technique to Stainless. Are these solutions detrimental to Austenitic Stainless such as 304 and 316L or would this be an appropriate...

thread177-122890 I have performed Nital/Ammonium Persulfate acid etching on Carbon Steels to verify removal of Arc Burns per ASME B31.4 and B31.8, but have never applied this technique to Stainless. Are these solutions detrimental to Austenitic Stainless such as 304 and 316L or would this be...