Steel Fiber Castables

Steel fiber castables (also called steel fiber bonded refractory castables or steel fiber reinforced refractory castables), The main composition of steel fiber castables is special grade bauxite clinker, high-quality bauxite clinker, and fine corundum powder are synthesized In production, it is necessary to add ultra-fine powder and other composite materials as binders and additives for steel fiber castables, and A certain size of heat resistant rustless steel fiber is added. Due to the addition of steel fiber, the overall strength of the furnace wall is greatly improved after the material is poured.

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Introduction of Steel Fiber Castables

Steel fiber castables can be classified into two types stainless fiber castables Refractory and nickeled stainless fiber reinforced refractory castables. Of these, nickeled stainless fiber-reinforced refractory castables have better high-temperature resistance properties and high resistance to rubbing. Also, have good structure stability and gas tightness, physical & chemical property, and great construction property.

Properties of Steel Fiber Castables

Steel fiber castables are widely used in cement rotary kiln mouths, cooling machines, coal injection pipes, decomposition furnaces, preheaters, and other parts. Castable refractory steel fibers have good properties of high strength and good toughness and thermal shock stability is good, which has good resistance to flaking & good wear resistance.

1. It can inhibit the shrinkage of refractory castables during curing, baking, and high-temperature use.

2. Improve the toughness, mechanical shock resistance, and mechanical strength of the refractory castables.

3. Improve the thermal shock resistance of the refractory castables.

4. Prevent the microcracks generated in the refractory castables from expanding or extending under the action of thermal stress and mechanical stress to cause cracking or spalling.

Characteristics of Steel Fiber Castables

1. Good fluidity.

2. Appropriate solidification time.

3. Save time, fast and convenient.

4. High strength, long life.

5. Good insulation properties.

6. High-temperature resistance.

7. Corrosion resistance and good thermal shock resistance.

Applications of Steel Fiber Castables

1. Cement rotary kiln entrance.

2. Wet rotary kiln heat-resistant steel chain strap.

3. Cement kiln cooler.

4. Cement kiln coal injection pipe.

5. Cooling machine of cement kiln.

6. Coal injection duct.

Packing of Steel Fiber Castables

Plastic bag (25kg), Kraft bag (25kg), Plastic Ton bag (1 ton).

1 ton on the pallet with plastic film & bundle belts.

Per your requests.

Physical & Chemical Index

Name				Steel Fiber Bonded Refractory Castables
Item/Type		XHJSFC70	XHJSFC75		XHJSFC80	XHJSFC90	XHJSFC92	XHJSFC95
Max working temp(℃)		1370	1400		1500	1600	1650	1710
Bulk density after drying at 110℃, g/cm3		2.6	2.6		2.65	2.90	3.00	3.10
Chemical Composition %	Al2O3≥	65	75		80	90	92	95
	SiO2≤	18	15		12	7	5	2
	CaO≤	2.5	2.0		2.0	1.5	1.5	1.2
Cold bending strength (Mpa)	110℃*24H	8	9		9	14	14	15
	1100℃*3H	8	9		9	14	14	15
	1500℃*3H	/	/		10	15	15	15
Cold crushing strength (Mpa)	110℃*24H	70	80		80	100	100	120
	1100℃*3H	70	80		80	100	100	130
	1500℃*3H	/	/		/	100	100	130
Linear change after heating, %	1100℃*3H	±0.30	±0.30		±0.30	±0.30	±0.30	±0.20
Linear change after heating, %	1500℃*3H	/	/		/	±0.50	±0.50	±0.50
Water Addition		6.0-7.0%	5.5-6.5%		5.5-6.5%	5.0-6.0%	4.5-5.5%	4.5-5.5%
Construction method		Vibration	Vibration		Vibration	Vibration	Vibration	Vibration
Application		cement kiln door, kiln hood, cooler, other high temp zones, and other industrial furnace linings				Large-scale cement kiln outlet, coal injection pipes, and other industrial furnace linings