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      High Alumina Castable(include Mullite and Corundum)
      Addtime:2011/10/19 15:03:27   Hit:0   Add to Favorites
       
      High Alumina Castable(include Mullite and Corundum)
      Code SAL160 SML160T SAL165 SAL170 SAL170H SML165H SML165A SML165 SML165G SML165T SML170G SAL170G SAL185G A90
      Quality      High Alumina High Alumina-A3S2  High Alumina  High Alumina High Alumina High Alumina-A3S2 High Alumina-A3S2 Mullite Mullite Mullite A3S2-A A3S2-A Corondum 莫來石金剛玉A-A3S2
      Max service temp.  ℃ 1600 1600 1650 1700 1700 1650 1650 1650 1650 1650 1700 1700 1850 1800
      Modulus of Rupture  (MPa) 110℃×24h≥ 6 4 5 4 4 7 10 4 6 5 4 7 5 8
      1000℃×3h≥ 10 10 12 12 12 14 10 10 10 10 12 10 4 12
      1500℃×3h≥ 12 12 14 15 16 18 12 15 12 12 16 12 14 14

      Cold Crushing Strength  (MPa)

      110℃×24h≥ 40 25 20 30 25 55 60 35 40 40 30 50 40 60
      1000℃×3h≥ 70 55 65 80 80 80 70 80 60 80 90 80 30 80
      1500℃×3h≥ 90 70 90 100 100 100 80 100 85 100 100 100 70 100

      Permanent  Linear Change (%)     

      1000℃×3h≥ ±0.25  ±0.2  - - - ±0.2 - - - ±0.25 
      1500℃×3h≥ 0-+1.0 0-+1.5 ±0.5 0-+0.5 ±0.5  0-+0.5 0~+1.0  0-+0.5 0-+0.5 0-+0.5 0-+0.5 0-+0.5 0-+1.0 ±0.5 
      110℃×24h Bulk Density ≥ (g/cm3) 2.38 2.4 2.6 2.75 2.8 2.6 2.6 2.6 2.6 2.65 2.7 2.75 3 2.95
      Modulus of Rupture at elevated (MPa) 1 1.5 - 2 3 2.5 - 3 - 4 3 2.5 - 4
      Chemical Analysis (%) Al2O3 ≥ 58 58 70 80 80 70 65 70 65 65 75 75 95 88
      CaO≤ 2 1.8 1.5 1 1 1.5 2 0.8 1.5 1.5 0.8 1 2 0.8
       Grain Size (%) Top size mm 5 5 10 8 10 10 8 7 7 8 7 5 8 5
      less than 75um≥ 29 30 28 28 27 28 27 29 30 28 28 30 27 30
      Additive water(casting)  (%) 7-8 6.6-7.2 6.0-6.5 5.8-6.3 5.5-6.0 5.5-6.0 6.0-6.5 5.6-6.4 5.0-5.5 5.0-5.5 5.2-5.7 5.2-5.6 4.8-5.5 4.8-5.4
      Application area for example Soaking pit and heatig furnaces Safety lining for tundinsh The mouth for soaking pit Safety lining for tundish. Little electric-arc furnace The bottom of circle heating furnace  The impacting zonr of tundish. Slag-weir board The bottom of heating furnace Heating temp zone skids for heating furnaces. Burner for soaking pit Lance for iron refining(De-s,De-Si,De-P) Charging mouth for torprdo car(having iorn refining) High temp burner. blowing pipe for blast furnace Lance for iron refining (KIP) Lance for steel Ladle(KIP)  冶煉用坩堝、回轉窯高溫帶Can for refining High temp zone for rotary kiln

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