在对球墨铸铁件进行超声检测时，经常会用到EN 12680-3：2012《铸造 超声波检测 第3部分 球墨铸铁铸件》标准，通过对此标准的深入学习，结合实际使用经验，介绍了对该标准的理解和应用心得，着重介绍了使用穿透法时应注意的几个问题，以供同行参考。

When ductile iron castings were detected, the standard of EN 12680-3:2012 Founding-Ultrasonic Examination-Part 3 Spheroidal Graphite Cast Iron Castings was often used. Through in-depth study of this standard, combined with practical experience, the authors aim to introduce the experience of understanding and application of the standard and to emphasize that attention should be paid to the transmission method in several issues, which might offer reference for people working in the same field.