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What Is Fused Cast Skid Rail Block

Fused cast skid rail block is mainly made from Al2O3 and ZrO2. It is widely used for steel reheating stove skid rail and steel discharging platform,slot and other consumable parts in industrial furnaces. 
What Is Fused Cast Skid Rail Block
Fused cast skid rail block is of various types including steel discharging platform brick,skid rail block and iron discharging tank blocks. It has excellent performance in fire resistance degree, softening deformation temperature, flexural strength, curving temperature,stability and fused slag corrosion,etc. Compared to fused cast AZS and zircon mullite bricks,fused cast skid rail block can reduce maintenance cost and increase furnace efficiency. 
 
Due to its high abrasion and temperature resistance, fused cast skid rail block is ideal for large billet,large friction parts and steel discharging parts in reheating stoves, gliding rail bricks in steel pusher metallurgical furnaces, the tapping platform (tapping spout) style walking beam furnaces, and also as the interior for incinerators. 
 
Fused cast skid rail block from Zhengzhou Sunrise is composed of 71-73% Al2O3, 19-22% ZrO2, 5-8% SiO2 and a small amount of Fe2O3, Na2O and CaO. Its crystal structure consists of corundum, mullite, glass phase and baddeleyite. It has low porosity (<8%), and high true density(≧3.0 g/cm3). 
 
This series block features great strength, good wear and fused slag corrosion resistance as well as long service life(one to two years). 

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