1.1本规程涵盖了样本测试程序，以确定核部件金属材料的辐照和热效应引起的机械性能变化，其中这些材料用于370°C（700°F）以上的高温应用。

1.1 This practice covers procedures for specimen testing to establish changes occurring in the mechanical properties due to irradiation and thermal effects of nuclear component metallic materials where these materials are used for high temperature applications above 370°C (700°F).