Refractory Brick for Bottom Pouring System for Foundry Steel

• Refractoriness (℃): 1770< Refractoriness< 2000
• Feature: Long Time Materials
• Type: Refractory Material
• Shape: Round Tube, Square Tube, Centre Brick, Sleeve Brick
• Material: Aluminium- Silicate
• Applications: Bottom Pouring System
• Model NO.: YUFENGREC- FC42
• Quality: Al2O3 Conent : 42 -80%
• Main Raw Material: Flint Clay, Bauxite, Mullite, Andalusite
• Transport Package: Export Wooden Pallet
• Specification: Customized
• Trademark: YUFENGREC
• Origin: China
• HS Code: 6902200000
• Production Capacity: 100, 000 Mt Per Year

Product Description

The worldwide percentage of steel and alloy produced via ingot casting has decreased since decades.  However some steel and alloy applications will continue to be bottom poured in the foreseeable future. 
This includes steel and alloy ingots for intermediate and large forgings for the transportation, oil, heavy equipment and aeronautical industries. Vacuum remelt electrodes and specialty alloys such as nickel based, nickel cobalt, nickel copper and those alloys which can't be economically continuously cast will continue to be ingot cast. 

YUFENGREC^® offer  a complete range of high quality dry pressed Bottom Pouring Refractory Brick  , ranging from 42% to 80% in alumina content. included Sleeve Brick, Runner Bricks ,End Runner brick with riser , Bottom Guide ,Central Brick(Spider) , Funel  , Round and Square Tube, Tail brick ,well block , stopper etc ... 

Drying Processing

• Water reduction in a drying chamber
• Drying  Temperature : 80-100 °C
• Drying Time : 12-24  Hours

 

• Tunnel  Kiln Firing

• Pr-heating Zone - Burning Zone - Cooling Zone - Quality Selecting and Packing  Zone
• Temperature up to 1500 °C

 

•  

Producdts Exhibisiton 

Technical Data Sheet  - Hollowware Brick 

Item	Unit	Bottom Pouring Hollowware Brick
		FC40	FC42	FC45	BX50	BX60	BX70	BX75
Typical Applications		Cast Irons ,Lower Alloyed Steel ,			Low to medium alloyed steel
Main Raw Material		Fireclay	Fireclay	Fireclay	Bauxite	Bauxite	Bauxite	Bauxite
Al2O3	%	≥40	≥42	≥45	≥50	≥55	≥70	≥75
Fe2O3	%	≤2.5	≤2.2	≤2.2	≤2.2	≤2.2	2.0	2.0
Bulk Density	g/cm^3	≥2.10	≥2.15	≥2.17	≥2.20	≥2.25	≥2.30	≥2.35
Apparent Porosity	%	≤25	≤26	≤26	≤26	≤26	≤27	≤27
Cold crushing strength	MPa	≥30	≥35	≥35	≥35	≥35	≥40	≥40
Refractoriness Under Load 0.2 MPa T0.5	T0.5 /ºC	≥1320	≥1350	≥1350	≥1400	≥1420	≥1450	≥1500

 

Item	Unit	Bottom Pouring Hollowware Brick
		A-62	A-70	M60	M70
Typical Applications		High Alloyed Steel , long casting times
Main Raw Material		Andlusite	Andlusite	Mullite	Mullite
Al2O3	%	≥62	≥70	≥60	≥70
Fe2O3	%	≤1.90	≤1.80	≤1.80	≤1.60
Bulk Density	g/cm^3	≥2.27	≥2.30	≥2.30	≥2.32
Apparent Porosity	%	≤25	≤26	≤24	≤25
Cold crushing strength	MPa	≥35	≥40	≥35	≥40
Refractoriness Under Load 0.2 MPa T0.5	T0.5 /ºC	≥1500	≥1550	≥1600	≥1620

Technical Data Sheet  - Dense Refractory Brick   

Item	Fireclay Brick
	High Duty Fireclay Brick	Super Duty Fireclay Brick	High Fired ,Super Duty Fireclay Brick
Al2O3	≥36 %	≥42 %	≥42.1
Fe2O3	≤2.5%	≤2.5%	≤2.0
Pyrometric Cone Equivalent       Orton Standard Cones     Temperature Equivalent	32         1717ºC	34                                              1753ºC	34                                              1753ºC
Bulk Density	≥2.15	≥2.20	≥2.29
Apparent Porosity	22-24%	22-24%	17-19%
Cold crushing strength	≥25	≥35	≥42
Hot Load Test Deformation at 1350ºC	1%	-0.2 to -0.7%	≥05-0.7%
Permanent Linear Change at 1400 ºC	-0%	-0%	0%

 

Item		Unit	Special High Quality Fire Clay Brick
			YUFENG-DN11	YUFENG-DN14	YUFENG-DN17
Al2O3		%	≥47	≥45	≥42
Fe2O3		%	≤1.20	≤1.5	≤1.80
Bulk Density		g/cm^3	≥2.40	≥2.34	≥2.26
Apparent Porosity		%	≤11	≤14	≤17
Cold crushing strength		MPa	≥80	≥65	≥50
Permanent Linear Change	1400 ºCx 2h	%	-	+0.1 to -0.2%	+0.1 to -0.2%
	1500 ºCx 2h		+0.1 to -0.2%	-	-
Refractoriness Under Load 0.2 MPa T0.5		T0.5 /ºC	≥1520	≥1470	≥1430