supply of ms material , ms material , mscr square tube ( galvanise plated ) size : 40 x 40 x 2 . 6 mm thk x 6 mtr . long . as per is:4923 of 1997 reaffirmed : 2009 & astm a500 yst 240 grade , galvanize platingthickness min . 120 gsm , ms channel size : 100 mm x 50 mm x 5 mm thk . ) as per msrtc specification bdy-323 / 1 dt . june 2009 . , ms galvanized sheet of size 2500 mm x 1250 mm x1 . 2 mm thick . as per is:277 of 2003 amendment no 2of 2008 & is:513 of 2008 . , ms galvanized sheet of size 1450 mm x 1250 mm x1 . 2 mm thick . as per is:277 of 2003 amendment no 2of 2008 & is:513 of 2008 . , ms sheet 14 g , cold rolled size : 2440 mm x 1220 mm x 2 mm thick . as per msrtc specification no . bdy - 210 / 1 of dec . 2010 . & weightage marks as per bdy-210 / 1 of dec . 2010 . , ms sheet 10 g , hot rolled size : 2440 mm x 1220 mm x 3 . 15 mm thick as per msrtc specification no . bdy-210 / 2 of dec . 2010 & weightage marks as per bdy-210 / 2 of dec . 2010 .