procurement of different types of steel materials used for extension of raph busket washibg bay of unit 3 under bm2 dept at sgtpp , procurement of different types of steel materials used for extension of raphbusket washibg bay of u-3 under bm2 dept. at sgtpp , i beam,ismb 150 ( make : sail / tata / jindal length : not less than 6 mtr. is:2062, grade: a ) , i section,size:ismb 200 mild steel i section beam as per is 808 m.o.c: mild steel (is:2062) ( is: 2062, grade:a length : not less than 6 mtr. make: sail/tata/jindal/rinl ) , i - section beam 300x140 mm ( is: 2062, grade:a length : not less than 6 mtr. make: sail/tata/jindal/rinl. ) , gi gratings ( size: l=3000 mm, width=1000 mm, width/depth of the load bar=30 mm, load bearing bar spacing: 32 mm, cross rod pitch= 100 mm )