Posted by Luis E. Carrera Anlehu on May 01, 2008 at 00:08:51:
hi experts, my question is: is necesary the polarized light and the sensitive tint to watch color when i etch stainless steels like 304 or 316, carbon steels like an a106, a36, duplex stainless steels like an ur52n with the following reagent:
Beraha BI
Klemm I
Sulfamic beraha's
Beraha cds
Sodium metabisulfite beraha's
LB Reagent