International standards of S.G. Iron.
Furnaces used for S.G. Iron.
Raw materials used and their specifications- pig iron, steel scrap, Ferrosilicon, Mg alloys, inoculants etc.
Melt quality control-desulphurization control of various elements - check points for melt control - tests carried out.
Magnesium treatment - Role of Magnesium -Mg alloys available.
Post inoculation purpose and techniques - practical tips.
Solidification of S.G. Iron castings - transformation from liquid to solid graphitization.
Effect of composition on microstructure - C, Si, Mn, P, Cu and trace elements Bi, Sb, Te, Ti, Pb, Al etc.
Microstructure - metallography - case studies.
Heat treatment of S.G. Iron castings, Annealing, Normalizing, Hardening and Tempering, Surface hardening and Austempering.
Mechanical testing and Inspection - Tension test, spectroscopy, metallography and Ultrasonic testing.