Comparison and Analysis of Radiographic Examination Standard GB/T 3323—2005 and JB/T 4730.2—2005

The two radiographic testing standards GB/T 3323—2005 and JB/T 4730.2—2005 both issued at 2005 were compared. The content differences in the two standards were analyzed. The setting principles, as well as with reference to foreign standards were introduced. The comparison and analysis for the two standards were helpful for the understanding and usage of GB/T 3323—2005 and JB/T 4730.2—2005 standard.