DIFFERENT TYPE OF STEEL
1.0 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)
2.0 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%)
3.0 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)
4.0 AS PER MICROSTRUCTURE
4.1 FERRITIC .
4.2 PEARLITIC
4.3 BANITIC
4.4 MARTENSITIC