supply of mill oultlet elbow for 2x500 mw, dtps anpara , mill outlet elbow ( ceramic lined type ) : mat spc:api 5l gr b as per mentioned details a ) ms casing:8 mm thick ( is 2062 gr e250 br ) b ) mortar: 10 mm thick c ) ceramic tiles:20 mm thick max tile size:120 x 60 mm i ) alumina content 90% ( min ) ; to be witnessed on xrf ii ) bulk density:3 . 5 gm / cc ( min ) iii ) hardness:>=9 on moh scale iv ) water absoption:0 . 1% max v ) compressive strength:6000 kg / cm2 ( min ) vi ) flexural strength:2200 kg / cm2 ( min ) vii ) abrasion resistance test by rubbing 0 . 1 gm ( max ) viii ) cold crushing strength:3000kg / cm2 ( min ) ix ) co efficient of thermal expension:0 . 0000072 / deg c x ) service temp:100 deg c ( min ) , 1000 deg c ( max ) d ) abrasion resistance a ) by impigment :0 . 05 gm b ) by rubbing 0 . 10 gm e ) max step & gap between tiles shall be 1 . 5 mm & 2 . 00 mm f ) all metallic surfaces to be painted with one coat of red oxide & final coat of cream colour paint . g ) guaranteed running hours:25000 hrs . , angle: 90 deg . radius: 1270mm l1:100mm; l2: 1496mm; tail end side: coupling end ( upstream side ) ; arrow head side: coupling end ( downstream side ) ; as per bhel drawing no 1-47-264-01823 , angle: 90 deg . radius: 1270mm l1:100mm; l2: 1270mm; tail end side: coupling end ( upstream side ) ; arrow head side: coupling end ( downstream side ) ; as per bhel drawing no 1-47-264-01823 , angle: 90 deg . radius: 1270mm l1:100mm; l2: 1081mm; tail end side: coupling end ( upstream side ) ; arrow head side: coupling end ( downstream side ) ; as per bhel drawing no 1-47-264-01823