supply and installation of incoming chute and skirt board of conveyer 2a 2b with modification of frame of tail pulley at chp ph1 2x600mw sstpp mppgcl dongalia , fabrication & supply of weld overlay incoming chute for conveyor 2a/2b of 2x600mw, chp, ph-i, as per attached drawing. material – weld overlay plate ( impact plate (16+4)mm thk, erosion plate(8+4)mm, non-impact plate 12mm ms specification:- technical specification of weld overlay wear plates for conv. 1a/1b to conv. 2a /2b chute:- base plate thick-16 mm, is-2062, grade b (ms) and 4 mm hard facing on one side. hardness- 62 hrc min. alloy basis:- c(3.25-4.55), mn(0.40-0.70), si(1.0-2.0), cr(16-20), b(0.22-.072), w % of primary carbide-35-40%, % of eutectic carbide-24-29% % of mar tensile- 14-20%, % of austenite – 15-20% tolerance of hard facing thk. shall be +/- 0.5 to 1 mm. wear resistance compare to ms for hard layer only-35 times. material should be supplied with weld metallurgy with primary carbide as chromium carbide & eutectic carbide along with austenite and marten site with bas plate of is 2062 grade “b” and this metallurgy will retain its hardness even at temperature of 400 deg. c and resist wear due to erosion. the weld overlay will have c, si, mn, cr, b &w as element uniformly distributed throughout the matrix giving surface resistance capacity towards extreme wear. the cladding will be done with flux cored wire and hardness of weld overlay will be 62 hrc min. with the 8 mm thickness. , installation charges of tail pulley base frame & new chute of conveyor 2a/2b