Percent Elongation a way to express Ductility
Original gage length = 2.0 in. After testing, “Final” gage length = 2.6 in. % Elongation = final length = original length x 100 Original length % Elongation = 2.6 - 2.0 x 100 = 30% Steps are : 2.6-2.0=.6 0.6 /2.0=.3 0.3 x 100 = 30% Elongation 2.0
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