... quality and reasonable price 4.Chain wheel can be design The materials of the chain wheel can be produced according to ... Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel. 2. Materials: Carbon steel, Alloy steel 3.Supplying range: Shafts ... , UT Report, Heat Treatment Report, Dimensions Check Report The data on chemical composition report and mechanical properties report are approved ...