(PDF) Testing magnesia-carbon bricks for oxidation resistance
Nov 14 2020 · p> MgO-C based refractory materials are used in steel metallurgy to a large extent. Magnesia-carbon bricks are tested for basic physical-mechanical parameters in as supplied state for carbon
Get Price
Low Carbon Magnesia Carbon BrickRongsheng Refractory
Low-carbon magnesia-carbon bricks are used in the ladle slag line. Compared with traditional MgO-C bricks low carbon MgO-C bricks have lower carbon content. When the aggregate is tightly packed the mutual contact rate is relatively high when used at high temperatures its
Get Price
China 97 Fused MGO Magnesia Carbon MGO C MGO-C Refractory
China 97 Fused MGO Magnesia Carbon MGO C MGO-C Refractory Bricks for Steel Ladles Find details about China Magnesia Carbon Brick Carbon Brick from 97 Fused MGO Magnesia Carbon MGO C MGO-C Refractory Bricks for Steel LadlesZibo Hitech Material Co. Ltd.
Get Price
Slag corrosion of alumina-magnesia-carbon refractory
Al2O3-MgO-C (AMC) refractory bricks are used as linings for the sidewalls (metal line) and bottoms of steel-making ladles. As a structural component of this type of vessel these bricks undergo
Get Price
About usKINGSTONE REFRACTORY
In the field of steel iron industry our main products include tundish nozzle slide gate plate ladle nozzle collector nozzle well block seating block porous plug magnesia carbon brick copper mould tube high alumina brick fire clay brick high alumina refractory ball honeycomb ceramic block and all kinds of Castables and mortars
Get Price
Performance Requirements of Al2O3-MgO·Al2O3 Refractory
Nov 28 2020 · Ladle castable is a kind of granular and powdery material made of refractory materials and a certain amount of binder for a ladle. Ladle castable is an unshaped refractory made of high alumina bauxite corundum and magnesia as the
Get Price
(PDF) 13KunzLADLE REFRACTORIES FOR CLEAN STEEL
Also the refractory oxide s partial pressure can be found at steel operating temperature of 1 600ºC (highlighted in red).When compared with the typical oxygen partial pressure (PP) of below 10 -15 bar at 1 600ºC -MnO SiO2 FeOx Cr2O3 PP ≥ 10 -15 bar causing steel re-oxidation -Al2O3 MgO CaO TiO2 PP < 10 -15 bar providing oxidic
Get Price
Steel Ladle CastableChina Refractory Brick Castable
Slag line zone is usually built by magnesia carbon bricks. Castable which can be worked by gunning casting have been applied in some countries and have obtained very nice effect. Gunning castable includes alumina magnesia gunning castable magnesia gunning castable magnesia spinel gunning castable and so on. Al2O3-MgO-C series Steel Ladle Castable
Get Price
Evaluation of suitable refractory for slag dumping area of
Jan 01 2020 · Whereas MgO-Carbon (MgO-C) dolomite- carbon spinel Al 2 O 3-MgO-C (AMC) refractories are the typical preferred choice for steel ladle metal zone refractory lining practise (Resende et al. 2000) 1 . The slag pouring out area of ladle metal zone is the most vulnerable with respect to corrosion as well as abrasion due to additional dumping
Get Price
Application Of Non Burning Magnesia Brick And Aluminum
Mar 17 2021 · In recent years Al Mg C brick is still an important lining material. Unfired alumina magnesia brick for ladle a. Ladle unfired alumina magnesia brick is a unfired refractory product for ladle lining made of high alumina bauxite clinker and magnesia. With the increase of the temperature of molten steel in the ladle and the increase of temperature
Get Price
The Role of Graphite in Refractories such as Al2O3/MgO/C
MgO-C (MC) refractories for basic/electric arc furnaces SEM 16.10.13 page 20 RF Formation of a dense zone due to reduction of MgO with C at high T which vaporized the Mg and precipitated it in the dense zone. I. Strawbridge D.G. Apostolopoulos High Purity Magnesias and Graphites in Magnesia- Carbon Refractories Stahl und Eisen Special 1994
Get Price
Slag corrosion of alumina-magnesia-carbon refractory
Al2O3-MgO-C (AMC) refractory bricks are used as linings for the sidewalls (metal line) and bottoms of steel-making ladles. As a structural component of this type of vessel these bricks undergo
Get Price
Corrosion mechanism and kinetic behaviour of MgO–C
Oct 17 2005 · The rate of dissolution of solid MgO–C into liquid CaO–Al 2 O 3 –SiO 2 –MgO slag at different temperatures was studied under conditions of forced convection by rotating cylindrical refractory specimens in a stationary crucible containing molten slag. The corrosion rate was calculated from the change in diameter of the cylindrical refractory specimens.
Get Price
The Role of Graphite in Refractories such as Al2O3/MgO/C
MgO-C (MC) refractories for basic/electric arc furnaces SEM 16.10.13 page 20 RF Formation of a dense zone due to reduction of MgO with C at high T which vaporized the Mg and precipitated it in the dense zone. I. Strawbridge D.G. Apostolopoulos High Purity Magnesias and Graphites in Magnesia- Carbon Refractories Stahl und Eisen Special 1994
Get Price
EPA1Magnesia-carbon refractoryGoogle Patents
The unburnt refractory comprises fine magnesia as a main constituent and significantly differs from prior art refractories in that the maximum grain diameter of the fine magnesia is 1.5 mm and in that magnesia having a grain diameter of 0.3 to 1.5 mm comprises at most 30 by weight of the refractory raw materials. By so limiting the particle size a refractory having high compactness is
Get Price
What refractories are suitable for ladle slag line amplow
Jul 17 2019 · The refining ladle brick lining is mainly made of neutral bricks (high alumina bricks Al2O3-MgO-C bricks etc.) and MgO-C bricks. The desulfurization treatment
Get Price
MgO-Al2O3-C Series RefractoriesAllied Metallurgy
MgO-Al2O3-C Series Refractories. Using top quality bauxite or corundum as aggregates phenolic resin as binding agent and emphasizing matrix Horton series of Al 2 O 3 -MgO -C bricks are offered in a range of MgO contents. They can be applied for ladle wall bottom and other parts showing the features of good corrosion resistance and spalling
Get PriceSteel Ladle Refractory Mateial CatalogueRongsheng
A. Magnesia carbon brick used in working layer for the steel ladle. Magnesia carbon refractory brick is mainly used for the working layer magnesia carbon fire bricks is especially suitable for multi-furnace continuous casting. The MgO content in refractory bricks is generally around 76 and the C content is between 15 and 20 .
Get Price
Characterization and post-mortem analysis of Al2O3-MgO-C
Oct 01 2020 · 1. Introduction. As smart refractories the Al 2 O 3-MgO-C refractories (AMCR s) development has brought a significant evolution in the history of refractories used in the steel industry.These refractories made new way to the steel industry in the 1990s due to their favorable properties being selected as proper replacements for MgO-C refractories (MCR s) in the molten metal
Get Price
Refractory Aluminium Magnesium Carbon Insulating Fire
Refractory Aluminium Magnesium Carbon Insulating Fire Brick for Steel Ladle . YH-AMC series refractory aluminium magnesium carbon insulating fire bricks for steel ladle are shaped by using top grade bauxite and corundum as aggregates and phenolic resin as binder and focusing on strengthen the matrix.It has the characteristics of corrosion
Get Price
refractory cement
The heat resistant refractory cement also well known as calcium aluminate cements and high alumina castable refractory cement. Generally there are 4 grades of refractory cement according to Al2O3 content A600 A700 A900 and CA-70. The heat resistance cement can be used for making refractory
Get Price
Low Carbon Magnesia Carbon BrickRongsheng Refractory
Low-carbon magnesia-carbon bricks are used in the ladle slag line. Compared with traditional MgO-C bricks low carbon MgO-C bricks have lower carbon content. When the aggregate is tightly packed the mutual contact rate is relatively high when used at high temperatures its
Get PriceVWHHOPDNLQJODGOHIXUQDFH
In a secondary steelmaking operation the slag line MgO-C refractory lining is projected to last a maximum of 85 heats about 145 hours while the alumina-magnesia-carbon barrel lining of the molten metal region serves about 165 heats though not commensurately thicker. Assessing residual bricks after
Get PriceResin Bonded Ladle Alumina Magnesia Carbon Refractory
Alumina Magnesia Carbon Brick Feature 1. Fine high temperature performance. 2. Strong resisting slag and thermal shock performance. 3. Low creep at the high temperature performance 4. High corrosion resistance 5. no peeling Product specification Alumina Magnesia Carbon Bricks is the refractory raw material with special grade bauxite
Get Price
Development of carbon containing castables for steel ladle
Table 4 shows the PLC value of Al 2 O 3 -MgO-C castables. Increase in graphite content reduced the amount of spinel formation. This might be due to the contact between alumina-magnesia and their mass transition during solid state reaction which was obstructed by the presence of graphite thus the spinel formation took place at higher temperature.
Get PriceMagnesite Refractories
We supply Magnesite Fused Magnesite Magnesia-Chrome Magnesite-Alumina Carbon Magnesia-Carbon Bricks. Magnesite refractories are containing at least 85 magnesium oxide and one of the most widely used basic refractory bricks. Their main advantage is
Get Price
Development of carbon containing castables for steel ladle
Table 4 shows the PLC value of Al 2 O 3 -MgO-C castables. Increase in graphite content reduced the amount of spinel formation. This might be due to the contact between alumina-magnesia and their mass transition during solid state reaction which was obstructed by the presence of graphite thus the spinel formation took place at higher temperature.
Get Price
The Role of Graphite in Refractories such as Al2O3/MgO/C
MgO-C (MC) refractories for basic/electric arc furnaces SEM 16.10.13 page 20 RF Formation of a dense zone due to reduction of MgO with C at high T which vaporized the Mg and precipitated it in the dense zone. I. Strawbridge D.G. Apostolopoulos High Purity Magnesias and Graphites in Magnesia- Carbon Refractories Stahl und Eisen Special 1994
Get Price
Study of Al2O3 MgO Refractory Castables Corrosion by
Study of Al2O3-MgO Refractory Castables Corrosion by Secondary Metallurgy Steel Ladle Slags Corrosion of Magnesia Carbon Refractory at Steel-Slag Boundary During Oriented Silicon Steelmaking. Weip Y. / Li N. / Xie Application of MgO-SiC-C slag lining of 300 t steel ladle in low carbon steel making. Wei Yaowu / Li Nan / Ke
Get Price
