TYPE OF STEEL
1.) PLAIN CARBON STEEL
 1.1 LOW CARBON STEEL (UPTO 0.3% C)
 1.2 MEDIUM CARBON STEEL (0.3-0.6 % C)
 1.3 HIGH CARBON STEEL (0.6-2.0% C)
2.) ALLOY STEEL
 2.1 LOW ALLOY STEEL (TOTAL ALLOYING ELEMENT UPTO 5%)
 2.2 MEDIUM ALLOY STEEL (TOTAL ALLOYING ELEMENT 5-10 %)
 2.3 HIGH ALLOY STEEL (TOTAL ALLOYING ELEMENT MORE THAN 10%)
3.) AS PER Fe-C DIAGRAM
  3.1 HYPOEUTECTOID STEEL (0.025-0.8% C)
  3.2 EUTECTIOD STEEL (0.8% C)
  3.3 HYPER EUTECTOID STEEL (0.8-2% C)
4.) AS PER MICROSTRUCTURE
  4.1 FERRITIC.
  4.2 PEARLITIC
  4.3 BANITIC
  4.4 MARTENSITIC
