procurement of steel material for erection or fabrication of structural platform for all hoist of fans and coal bunker under bmd,stps. procurement of steel material for erection or fabrication of structural platform for all hoist of fans and coal bunker under bmd,stps. , ms channel 100x50 mm , ms channel 125x65 mm is2062abc-01 is2062 e250a sk , ms angle 65x65x6 mm # , ms angle 75x75x6 mm # , ms plate3.15mm thick # , ms plate 12 mm # , sailhard wear resist. ms plate,16 mm thk # sailhard or equivalent ms hardened plates. surface hardness or core hardness shall be at least 200 bhn. , plate,sailhard,12mm thick , beam, i section, ismb 400 mm minimum length 10 mtr , plate,ss, 12 mm thick material ss 304