supply of screw 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 fee d point : one. (d) no of discharge : one. (e) screw rpm : 45. (f) material of construction : aisi 3 04/astma 420-1995. (g) contact / duct flange : is:2062 grade a/b. (h) drive and non drive shaft s : en8. note : (1) the material should be warranty 12 months from the date fitment or 18 m onths from date of supply, whichever is earlier. (2) mtc should accompany the supply. [ war ranty period: 18 months after the date of delivery ] ]