A great variety of tests were examined with the objective of finding correlations between different kinds of tests. The tests considered included notched and unnotched tensile tests, notched and unnotched bend tests, notched and unnotched disk-bursting tests, and Charpy impact tests. General correlation was obtained in only one instance, and in a few other test comparisons, correlations could be obtained only for certain metallurgical conditions. A great deal of additional work in this field is required.

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