competitivee-bidding for supply of nickle screen for various sks chini mills ltd, nanpara-bahraich for the season 2023-24 atul make electroformed pure nickle screen at 99.90% purity duly hard chrome plated. the thickness at hard chrome plating one nickle screen should be 12 to 14 microns and chrome hardnessshould be 900 to 1000 h.v open area will be 8 to 10% depends on slot size uniformiting at slot opening and unifrom weight on each segment ( wt deference not more 2 to 3 grams ) ( atul make ) :- d.c -10 / 34o size 0.06mm x2.30mm x 0.28mm open area 6.5% in 4 segment , ( atul make ) :- w.k-1500 / 30o size 0.06mm x 2.30mm x 0.28mm open aria 6.5% in 6+6 segment normal wt = 5.5 to 5.75 kg. , ( atul make ) :- d.c 10 / 34c size 0.09mm x 1.68mm x 0.23mm open aria 9% 04 segments. , ( atul make ) :- nhe.c make c nk-1300 / 30c size 0.05 mm x 2.30 mm x 0.25 mm open aria 4.5% 6+4 segment wt = 4.0kg