Fused Cast Skid Rail Block TY-GM5 TY-GM20

Fused Cast Skid Rail Block TY-GM5 TY-GM20
Fused Cast Skid Rail Block TY-GM5 TY-GM20
Fused Cast Skid Rail Block TY-GM5 TY-GM20
Fused Cast Skid Rail Block TY-GM5 TY-GM20
Application

for SKID RAILs refractories of STEEL reheating furnace,

It is mainly used in areas that require high abrasion and temperature resistance, such as gliding rail bricks in steel pusher metallurgical furnaces, the tapping platform (tapping spout) style walking beam furnaces, and also as the interior for destructors.

Feature

Fused cast skid rail blocks produced at sunrise are of various types including steel discharging platform brick,skid rail block and iron discharging tank blocks.This series block features great strength,good wear and fused slag corrosion resistance as well as long service life(one to two years). Compared to fused cast AZS and zircon mullite bricks,fused cast skid rail block can reduce maintenance cost and increase furnace efficiency.

1.Mainly made from Al2O3 and ZrO2, it has excellent performance in fire resistance degree, softening deformation temperature,flexural strength,curving temperature,stability and fused slag corrosion,etc. Widely used for steel reheating stove skid rail and steel discharging platform,slot and other consumable parts in industrial furnaces.

2.High abrasion and temperature resistance, ideal for large billet,large friction parts and steel discharging parts in reheating stoves.

3. Gliding rail bricks in steel pusher metallurgical furnaces, the tapping platform (tapping spout) style walking beam furnaces, and also as the interior for incinerators.

Physical and chemical index TY-GM5 and TY-GM20
Item Behaviors  TY-GM20 Behaviors  TY-GM5
  Special Typical Special Typical
Chemical
Composition %
Al2O3 71-74 73 71-74 73
  ZrO2 19-22 20.5 4.5-6 5.5
  SiO2 5-8 6.0 17-20 19
  Fe2O3 ≤0.5 0.3 ≤0.5 0.5
  Na2O ≤1.0 0.5 ≤1.0 1.0
  CaO ≤0.5 0.5 ≤0.5 0.5
Apparent Prosity (%) 5-8 <8 5-8 <8
True density  g/cm3  ≥3.0 3.55 ≥3.0 3.54
Cold Crushing Strength Mpa ≥250 350 ≥250 350
Hot Crushing Strength 1300℃ Mpa   120   45
Exudation temperature of Glass phase℃        
Line Expansion 1150℃ %   0.9   0.9
Thermal conductivity 1250 ℃: W/MK   9.2   4.6
Bulk Density  (g/cm3) PT(RN)   ≥3.0   ≥3.0
  WS(VF)   ≥3.2   ≥3.2
 Crystallographic analysis  % Corundum 71 39
  Mullite - 41
  Glass Phase: 9 15
  Baddeleyite 20 5

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