In this research work are presented results and procedure for investigations different types of castings in order to check their properties according to appropriate standards, to identify type of unknown casting, to detect and analyze different type of defects in castings and to perform failure analyze in order to determine the reasons for fracture. Presented investigations are basic research activities which are performed almost in all research laboratories for investigations of castings.
They mainly consist of identification of visual inspection, investigation of chemical composition, investigation of mechanical properties and microstructural identification. Completing of the results from performed investigations and their analysis required information about investigated casting can be obtained.
In this research work are given result of investigations of three castings GJS- 450-10 cast iron, malleable cast iron and Hadfield steel casting.