I am trying to find an etchant to etch API x65 material that is lined with Clad 825 (UNS N08825) - .02C/21Cr/42Ni/3Mo/2Cu (weight %)and welded with Filler Metal Clad 625 (UNS N06625) - .03C/21.5Cr/58Ni/9Mo/6Nb. I need to do vickers hardness surveys and cvn testing of weld and fusion line.
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