Steel Fiber Reinforced castables
Categories：
Adventitious Refractory Material
Email：fuhaoyejin2024@163.com
Refractory castables mainly include common series,low-cement series, ultralow cement series and lightweight series,Which are used respectively for the following aspects according to their various features :
a. For hot blast stove system,secondary refining devices,up-take pipe lining,pretreatment hot metal ,lance for oxygen and argon blowing;
b. For steel making and steel rolling systems,EAF roof,triangle area of EAF roof,ladle,reheating furnace,soaking pit,inner lining of heat treating furnace,pre-cast block for water-cooling slide rails,soot blowing port，burner and fire blocking port.
c. For cement kiln,lining of tube Cooler,roof and innerlining on the cell bottom of float glass tank , petroleum cracking reactor,high-ternperature and abrasion resistant lining,Synthetic ammonia device and lining for gas furnace.
|
Item/Index |
Common High strength |
||||
|
FA |
FC |
FHA |
FHC |
||
|
Al2O3,% |
≥70 |
≥83 |
≥70 |
≥80 |
|
|
MOR,MPa |
110℃ |
≥9.0 |
≥9.0 |
≥10.0 |
≥12.0 |
|
1100℃ |
≥5.5 |
≥6.5 |
≥10.0 |
≥12.0 |
|
|
CS,MPa |
110℃ |
≥70 |
≥70 |
≥70 |
≥80 |
|
1100℃ |
≥40 |
≥50 |
≥70 |
≥80 |
|
|
MOR after water cooling-1100℃ for 5 cycles,MPa |
≥4.5 |
≥5.5 |
≥5.0 |
≥5.0 |
|
|
PLC（1100℃）,% |
±0.4 |
±0.5 |
±0.4 |
±0.5 |
|
Key words:
Refractory Castables
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