DROP-WEIGHT TEST AND REFERENCE NIL-DUCTILITY TRANSITION TEMPERATURE

The dropweight test is an important method for enginccring field to testing and evalation the metallit material property. There are some differences in test standards, methods and judgments between China and other countries. In order to promote the technique development, we introduce conventional drop-weight test, selection of standard, the relationship of TNDT and RTNDT, and the application instances.