本文件规定了评估铝合金铸件机加工表面孔隙度的目视方法。 该方法不适用于评估射线照片上显示的孔隙度。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies a visual method for assessing the porosity of the machined surface of aluminium alloy castings. The method does not apply to assessing porosity shown on radiograms.All current amendments available at time of purchase are included with the purchase of this document.