Refractory Products Brick For Steel Metallurgy Furnace high strength

Refractory Products Brick For Steel Metallurgy Furnace , high strength

Description:

Refractory Brick For Steel Metallurgy Furnace

1. Refractory brick has thermal shock resistance;

2. Refractory brick has high strength;

3. Refractory brick has good wear resistance.

4.Refractory brick has a good thermal stability.

Applications:

Refractory brick has a widely application ,almost used in evry furnace and kiln like:

1. Steel furnaces

2. Iron making furnaces

3. Glass kiln

4. Ceramic tunnel kiln

5. Cement kiln

Specifications:

physiochemical index

Product Index		HZ-55	HZ-62	HZ-65
Chemical analysis	Al2O3%	≥55	≥62	≥65
Chemical analysis	Fe2O3 %	≤1.2	≤1.2	≤1.2
Physical properties	Bulk density (g/cm3)	≥2.45	≥2.5	≥2.5
	Apparent porosity (%)	≤17	≤17	≤17
	Cold crushing strength (Mpa)	≥60	≥60	≥60
	Refractoriness under load(°C)	≥1600	≥1650	≥1680
	Thermal shock resistance	Good	Better	Better
	Thermal expansion coefficient(1000°C)	≤ 0.55	≤ 0.55	≤ 0.55
	Creep resistance 20-50h,(%)	1350°C <0.2	1400°C <0.2	1450°C <0.2