| Macro Etch Test | ||||
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| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Definition: A test for visual evaluation of the homogeneity and soundness of an ingot, bloom, billet, or bar. It involves pickling a disc or cross section in strong acid until deep etching displays the steel's macro structure.
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