Year by year, it has become difficult to secure place to dispose sludge; thus, a new disposable method must be established. Considering these facts, in this study an incinerated sludge ash was tried as a raw material constituent of ceramic pipe. The practical application of this method was examined from the point of strength. And from this, it was found that 30% incinerated ash mixture rated ceramic pipe fully satisfied the standard for external pressure compression strength, and for bending strength and can be handle similarly as a regular ceramic pipe. Moreover, it was concluded that the usage of incinerated sludge ash was effective for saving natural resources and for lightening weight.