SG Iron is also known as Ductile Cast Iron, Nodular cast Iron, Spheroidal Graphite and Spherulitic Cast Iron. This type of iron suggests that these grades of Cast Iron have a degree of ductility.
There are various types of cast iron that are produced using different hat treatment and processing techniques , these include gray iron , white iron , malleable iron , ductile iron and compacted graphite iron.
Manganese is a hard, brittle, silvery metal that is often found in minerals that are combined with iron.
There are two grades that Chrome ore is divided into, these are first and second grade Chrome or Hard Chrome Plating & Thin dense Chrome Plating.
Alluminuim
Bronze
Copper