... such as GS-20CrMn5V, GB20Mn2, GB20MnV. Heat treatment of kiln tyre is accord with DIN17182. Rough machining surface will be tested ... :We provide rotary kiln critical components, such as girth gear, tyre, pinion, pinion shaft, support rollers, thrust rollers, and etc., according ... . 3 The Process of DRI Rotary Kiln:EPC projects for complete DRI rotary kiln production lines (100TD to 500TD) and spare ...