Incoming Raw Materials Testing

• Pig iron – c,si, mn,s,p,cr,cu #
• Coke - vm, ash, fc - tested using muffle furnace
• Pitch powder – vm, ash, fc - tested using muffle furnace
• Scrap – c, si, mn, s, p, cr, cu #
• Bentonite powder – swelling capacity
• # carbon and sulphur is tested using carbon sulphur apparatus
• Si, mn is tested using chemical solutions

Manufacturing Process Testing

• Moisture tester – to test the moisture of sand
• Compression strength tester – to test green compression strength and green shear strength of sand
• Pitch powder – vm, ash, fc - tested using muffle furnace
• Sand rammer – to test the compatibility of sand
• Vm, loi - tested using muffle furnace
• Active clay of sand is measured using methylene blue test
• Pyrometer- to test the temperature of molten metal.
• CE meter - to test the c and si content of molten metal. And check microstructure
• Vacuum emission spectrometer

Inspection

• Rockwell hardness tester – to test the hardness of casting
• Vernier caliper – to test the dimensions of casting
• MPI (crack detection)
• UTM (tensile, elongatin, compression)
• Microscope with image analyser
• Elcometer to check zinc coating thickness
• Adhesion test for no fill up in zinc
• Digital thermometer to check density