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Preheating Alumina Silica Fire Brick and Strong Fire Resistance Insulating Fire

China Preheating Alumina Silica Fire Brick and Strong Fire Resistance Insulating Fire

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Preheating Alumina Silica Fire Brick and Strong Fire Resistance Insulating Fire

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Delivery Time	1-3months
Packaging Details	Standard international package
Type	preheating furnace, electric arc furnace
Material	High-alumina Brick
Application	LD, BOF, BF
model	as required
Conditon	Brand new
Weight	as designed
Brand Name	SEEC
Model Number	electric arc furnace preheating furnace LD BOF BF
Certification	ISO
Place of Origin	China

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Product Specification


Delivery Time	1-3months	Packaging Details	Standard international package
Type	preheating furnace, electric arc furnace	Material	High-alumina Brick
Application	LD, BOF, BF	model	as required
Conditon	Brand new	Weight	as designed
Brand Name	SEEC	Model Number	electric arc furnace preheating furnace LD BOF BF
Certification	ISO	Place of Origin	China
High Light	heat proof bricks ，stove fire bricks

furnace refractory bricks for Ladle furnace BOF BF preheating furnace electric arc furnace

Made of fused mag-chrome, magnesite and chromite;

processed by ultra high temperature firing.

With properties of very good thermal shock stability, oxidation-reduction resistance, thermal fatigue resistance, wear resistance and erosion resistance.

Especially with ultra strong resistance to slag attack and vacuum damage.

Under vacuum refining condition, or strong oxidation atmosphere, or ultra high temperature liquid erosion, or high alkaline slag and frequent alkalinity changes slag attacks．

They are proved to be the irreplaceable, the longest service life and the most economical furnace lining refractories.

Therefore they are widely used in the vacuum refining furnaces (eg. RH Gegasser, VOD degassing ladles), Argon Oxygen Refining Furnaces (eg. AOD Converters), ultra high power EAF furnace, non-ferrous smelting big furnaces ( IC3 Refining Converters, Pierce Smith Converters, Noranda Furnaces, Outokumpu Flash Smelting Furnaces), or used at key parts of refining furnaces under very harsh conditions, eg. Working linings, hot spots, slag line zone, tuyere zone, erosion zone and easily damaged parts of big furnaces.

Aluminum oxide wear-resistant thermal refractory fire bricks

At present,our main products are clay brick,sillica brick,high alumina bricks,mullite bricks,carborundum brick,magnesite refractory castable ,spun injection type aluminum sillicate alcupunctue blankets,aluminum sillicate fiber products,such as all kinds of refratory materials,not only have good reputation among the same industry at home and sales perfomance ,but also have a good service.Produces are mainly covers metallurgy,steel,chemical industry building materials, thermal power,coking and other high temperture fields.

Advantages

1, Guarantee period is one year , since the date of purchasing.
2, 24- hour technical supports.
3, Design product according to the customers requirement.
4, We provide available price.

High-alumina Brick QRL-65 Physical and Chemical Indexes
AL2O3 ,%	≥42
refractoriness ℃	≥1750
Reheating linear change rate (1500 degrees *2h)	-0.3--0.1
Apparent Porosity AP,%	≤21
Cold Crushing Strength CCS,Mpa	≥40
Volume Density BD,g/cm³	≥2.15
Creep rate% (1250℃*50h)0.2Mpa	<0.8

Details

Brand	Silica Brick		Fire clay					Special High Alumina			Cordierite
Brand			JNLA	JN40a	JN40b	BGZ-65	BGZ-70	JLZ-75	JHL-75	SDHA60S
Al₂O₃ %	≤1.5		30～36	≥40	≥40			≥75	≥75	≥60	≥40
Fe₂O₃ %	≤1.5		≤2.5	≤2.0	≤2.0				≤0.8	≤1.5
SiO₂ %	≥94.5					≥65	≥70
K₂O+Na₂O %	CaO≤2.5								≤0.5		MgO≥3
℃ Refractoriness			≥1690	≥1730	≥1730			≥1790	≥1790	≥1790	≥1580
℃ Refractoriness under Load	KD≥1650			Ta≥1450	Ta≥1400	Ta≥1320	Ta≥1350	KD≥1550	KD≥1650	Ta≥1640
% Permanent Linear Change	1450℃×2h 0～+0.2							1500℃×2h +0.1～-0.4	1500℃×2h 0～+0.3		1300℃×2h 0.7
% Apparent Porosity	≤22	≤24	≤24(22)	≤20	≤24	≤22(24)	≤21(23)	≤20	≤18	≤20	≤30
g/cm³ Bulk Density	≤2.33 True Density	≤2.34 True Density	≥2.0	≥2.0	≥2.0				≥2.65	≥2.4
MPa Cold crushing strength	≥40	≥35	≥25(20)	≥35	≥30	≥35(25)	≥40(30)	≥65	≥90	≥50	≥15
(1100℃ ) Thermal shock resistance(cycles)									≥35	≥20 (DIN51068)	≥20
≤1.0% Residue quartz	≤1.0
% (1000℃)	≤1.28	≤1.30		≤0.6	≤0.6					≤0.6
Application	Furnace bottom, wall	Others	Regenerator wall brick and checker					Coking chamer, combustion chamber			Door

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer,Exporter 
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Year Established:

1997 
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Total Annual:

30000000-50000000
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Employee Number:

500~10000 


Ecer Certification：

Active Member 

Beijing Sino Steel Engineering & Equipment Co., Ltd. is concentrating on developing of ferrous & non-ferrous making and Rolling technology, mainly. As one of the most experienced Chinese suppliers of complete line and components for steel and non-ferrous indu... Beijing Sino Steel Engineering & Equipment Co., Ltd. is concentrating on developing of ferrous & non-ferrous making and Rolling technology, mainly. As one of the most experienced Chinese suppliers of complete line and components for steel and non-ferrous indu...

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BEIJING SINO STEEL ENGINEERING & EQUIPMENT CO., LTD.
Block 1, Beihuayuanjie, Chaoyang, Beijing 100024, China; market@sinosteelengineering.com
https://www.metallurgicalmachinery.com/

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