ASTM E340 Macroetching Metals & Alloys Testing | Macro Structure Reveal | Infinita Lab
ASTM E340 Macroetching Metals & Alloys Testing | Macro Structure R…
Feb 21, 2022
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Macro etching; an etch test consists of cutting a specimen transverse to the weld axis, applying an etching solution of 5% nitric acid and inspecting the exposed surface. This form of destructive testing is an excellent method of determining the soundness of weld metal and the metallurgical structure produced by the weld. #HodgeFabulous | Hodge Fabrication, Inc.
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