This paper introduced the recent development of the assessment technology of pressure vessels with defects. The British code of CEGB-R6 has been discussed in detail. The present assessment technique of pressure vessels of china has been presented.

• 介绍了压力容器缺陷评定技术的最新发展,对英国CEGB-R6标准进行了较详细的论述,介绍了我国压力容器评定技术的近况,指出了国际上关于压力容器缺陷评定标准日趋统一的趋势。