Boiler Steel Plates (IS : 2002-1962)
 
Grade Tensile strength min kgf/mm2 Elongation Min % C %
Max		 Si %
 S %
Max		 P %
Max		 Applications
1 37-45 26 0.18 0.10-0.35 0.040 0.040

Plates to be welded or flanged and flame cut plates of non flanging quality (low tensile)
2 A 42-50 25 0.20 0.10-0.35 0.050 0.050
2 B 52-62 20 0.22 0.10-0.35 0.050 0.050 Plates of non flanging quality (high tensile)