This SAE Standard applies to mobile, construction-type lifting cranes of the cantilever boom type. Questions and comments regarding application or interpretation of the provisions in this test method should be referred to the originating SAE Committee.

The purpose of this test method is to provide a systematic, nondestructive procedure for determining the stresses induced in cantilevered boom crane structures under specified conditions of static loading through use of resistance-type electric strain gages, and to specify appropriate stress levels for specified loading conditions. Further, a 25% overload test is included to prove the overall structural integrity of the structure.