supply of screw conveyorscrew conveyor,screw conveyor to rwf drawing no. 711091610460 with following specfications : a) material to be handled : resin coated sand. b) density : approx. 1440 kg/m3. c) no of feed p oint : one. d) no of discharge : one. e) screw rpm : 45. f) material of construction : aisi 304/as tma 420-1995. g) contact / duct flange : is:2062 grade a/b. h) drive and non drive shafts : en8. i) fasteners : iso grade 4.6 & 8.8 to is:1363. note : 1) the material should be warranty 12 mon ths from the date fitment or 18 months from date of supply, whichever is earlier. 2) mtc sh ould accompany the supply. [ warranty period: 18 months after the date of delivery ] ] => limited