supply of c . s . casting materials on conversion-2 casting, machining & supply of cast steel coupling for mill roller shaft.as per mill drawing, on conversion basis ( moc -cast steel is:2708 ) 3 machining charges 4 cast steel crown pinion along with casting machining and 16 teeth profile cutting as per drawing. ( moc -cast steel is:2708 ) 5 profile, teeth cutting machining charges for above 6 cast steel trash plate is 1030 grade proof machined as per drawing on conversion basis 7 machining charges 8 trash plate beam etc conversion base is 1030 grade proof machined as per drg 9 machining charges 10 c.s scrapper for mill discharge & top roller as per drawing code;1030 11 machining charges