... annealing of high-chromium, high manganese steel castings, ductile iron,stainless steel,etc. Structure Instruction:The rollover trolley furnace formed ... by:steel sheel,lining,rollover trolley and ... unloading easily.3.The furnace door has self-sealing structure. Furnace ModelRT2-30-9RT2-45-9RT2-75-9Rated ...