... for annealing of high-chromium, high manganese steel castings, ductile iron,stainless steel,etc. Usage:Mainly used for annealing of high ... -chromium, high manganese steel castings, ductile iron,stainless steel,etc. Structure Instruction:The rollover trolley furnace formed ... size is based on the demand for customized products.. Rollover Type Trolley Furnace