... GS-20CrMn5V, GB20Mn2, GB20MnV. Heat treatment of kiln tyre is accord with DIN17182. Rough machining surface will be ... We provide rotary kiln critical components, such as girth gear, tyre, pinion, pinion shaft, support rollers, thrust rollers, and ... .The process of rotary kiln is built up on solid-state reduction of iron ore by using sub-Bituminous ... the time it reaches discharge end. revolve kiln tyre