tender for supply of various spares of coal mill for bowl mill xrp-883 at atps, mppgcl, chachai. , scraper mn steel mn steel composition :- c - 0.3 to 0.4%, mn - 1.6 to 1.9%, p - 0.05% max., s - 0.05% max. hardness - 140 to 240 bhn as per drg. no. atps/bm iii/ 62a , scraper holder cast steel along with pins (as per drawing) cast steel composition :- c - 0.2 to 0 .35%, mn - 0.6 to 0.9%, si - 0.05 to 0.35% s - 0.06% max. hardness - 143 to 193 bhn as per drg. no. atps/bm iii/ 62b , s.s. plate for slide gate of knife edge gate valve ,material: s.s.-304 as per drg. no. atps/b/ 69a , s.s. spindle alongwith phosphorus branze bush and s.s, check nut of knief edge gate valve spindle-ss 304 , bush- phosphorus branze as per drg. no. atps/b/ 69b , journal head liner with welding plugs. item no.-ii as per drg. no. atps/bm iii/ 76 weight = 30 kg approx , journal head liner with welding plugs. item no.-iii as per drg. no. atps/bm iii/ 76 weight = 24 kg approx , mpo-liners drg. no. atps/bm iii/ 109 weight = 30 kg approx , grinding roll lock nut for coal mill xrp -883 for 210 mw boiler. as per drawing material carbon steel c - 0.4 to 0.5%, mn. - 0.91%,si. - 0.5% p&s 0.05% max. each. hardness - 400 bhn (min) as per drg. no. atps/bm iii/ 06 , s.s. liner plates size 1000mm* 1000mm*6mm material:- ss-304