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Tender For tender form for roller deshelling and reshelling - ordinary roller reshelling with polishing of journalsas per drg . mh -022specifications:-mill roller shall be min nominaldia of920mm*1700mm with juice ring srunk fitted/bolted on shaftthe roller shall be of coarse grain cast ironhaving hardness 180-210bhnthe composition of the material should confirm to is :-11201-1985 and shall be total carbon -3.2% to 3.6%manganese -2.2 to 3.2%silicon -1.2-2.2%phosphors -0.5%sulpher -0.15%last year outet diameter 898 or899 mmapproximant outer diameter to be -890 mmturning allowance 4mmapproximant outer diameter after season -886mmapproximant cane crush - 75 to 90 lacs qtl.new roller outer diameter -920 mmthe cast iron shell should be hot shrunk on the shaft, roller reshelling .roller (lotus roller ) polishing of journalsas per drg . mh -022a and specification mentioned as per ordinary roller
Tender For supply of abrasive steel shots size - 550. as per is: 4606/1983 (saej827/444). chemical analysis - carbon : 0.85 - 1.2 %manganese : 0.6 - 1.2 %, silicon : min 0.4%, phosphorus/ sulphur: max.0.05%.a v. hardness - 40- 50 hrc, min density- 7.3 gm/cu.cm. as per drg.no. n/a specn: is : 4606/1983 (saej 827/j444 [ warranty period: 30 months after the date of delivery ]
Tender For supply of abrasive steel shots size - s550. as per is: 4606/1983 amndt-1 (saej827/444). chemical a nalysis - carbon : 0.85 - 1.20 percent manganese : 0.6 - 1.20 percent silicon : min 0.40 percent phosphoru s/ sulphur: max.0.05percent.av. hardness - 40- 50 hrc, min density- 7.3 gm/cu.cm. [ warranty period: 30 months after the date of delivery ]