Effect of CaO/Al2O3 Ratio of Ladle Slag on Formation
3 (=C/A) ratio of the ladle slag on the formation behavior of non-metallic inclu-sions in the Mn-V-alloyed steel was investigated using both the experimental method and refractory-slag-metal-inclusion (ReSMI) multiphase reactions simulation. The formation behavior of inclusion was strongly
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The Role of Graphite in Refractories such as Al2O3/MgO/C
· Refractories Al 2 O 3-MgO-C (AMC) refractories for steel ladle lining Important spec Residual expansion during the usage Temperatures from 1600 to 1750 °C resistance against turbulence of steel bath during heating/purging Thermal shock during filling and emptying Corrosion contact with basic steel ladle slags
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Steel Ladle Refractory Mateial CatalogueRongsheng
· If the steel ladle itself is also used for refining steel ladle is also possible to select MgO-Cr203-A1203 series and MgO-CaO-C type refractories mainly including magnesia chrome brick magnesia chrome aluminum brick dolomite refractory brick what s more the working layer is made of magnesium spray and alumina magnesia repair
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Impact of steel ladle preheating on the decarburization of
· temperatures this favors carbon burnout in MgO-C refractories and thereby negatively influences their initial corrosion and erosion resistance. The aim of this thesis was then to analyze the impact of steel ladle preheating procedure on possible decarburization of MgO-C refractories
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Slag conditioning effects on MgO–C refractory corrosion
· Based on commercial MgO–C brick designed for ladle slag lines (Magnesita Refratários S.A.) the evaluated refractory chemical composition comprised 77 wt of MgO 18 wt of carbon and 5 wt of a blend of antioxidants (Al Si B 4 C). Three industrial slags presenting high reactivity (as they had low basicity B 3 <1 Eq.
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Refractory Mortar
Lightly fired metal composited Al2O3-C and Al2O3-ZrO2-Slide plates MgO-C and MgO-Spinel-C Sliding Plates Unfired Al2O3-C and Al2O3-ZrO2-Slide plates Mechanism for steel industry Slide gate plate mechanism for steel ladle Quick-changing mechanism for tundish Slag dam mechanism for converter Shaped refractory Well block Porous Plug
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Fracture behavior and microstructure analysis of Al2O3–MgO
· Three different castables based on the Al2O3–MgO–CaO system were prepared as steel-ladle purging plug refractories corundum- based low-cement castable (C-LCC) corundum-spinel-based low-cement castable (C-S-LCC) and corundum-spinel no-cement castable (C-S-NCC) (hydratable alumina (ρ-Al2O3) bonded). The fracture behavior at room temperature was tested by the method of
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Refractory Materials for Steel LadleRongSheng Kiln
9 rows · Steel ladle is a kind of container for carrying steel water from steelmaking electric furnace to
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Evaluation of suitable refractory for slag dumping area of
· 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
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Paperrefractories-worldforum
· Iron and Steel Technology (2004) 1 42–47 2 Pagliosa C. Souza P.V. Hama N. Improvement of MAC bricks for steel ladle with CaO-MgO-Al 2 O 3 aggregate A new perspective for cement application. Proc. UNITECR 2017 Santiago de Chile 2017 169–172 3 Wöeyer Chr. et al. Protection mechanism of CMA-additives in MgO-C ladle
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Refractory Mortar
Lightly fired metal composited Al2O3-C and Al2O3-ZrO2-Slide plates MgO-C and MgO-Spinel-C Sliding Plates Unfired Al2O3-C and Al2O3-ZrO2-Slide plates Mechanism for steel industry Slide gate plate mechanism for steel ladle Quick-changing mechanism for tundish Slag dam mechanism for converter Shaped refractory Well block Porous Plug
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Wear mechanisms of Al2O3-MgO spinel-forming refractories
Refractory castables containing alumina-magnesia/self-forming spinel (MgAl 2 O 4) are used in impact pads of steel ladles in steelmaking processes. In order to understand the wear mechanisms of refractory materials several recipes were tested from a corrosion slag resistance and thermal shock point of view.
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Impact of steel ladle preheating on the decarburization of
· temperatures this favors carbon burnout in MgO-C refractories and thereby negatively influences their initial corrosion and erosion resistance. The aim of this thesis was then to analyze the impact of steel ladle preheating procedure on possible decarburization of MgO-C refractories
Get PriceSteel Ladle Al2O3-MgO-C RefractoryRS Kiln Refractory Bricks
Steel Ladle Al2O3-MgO-C Refractory Description With the rapid development of steel smelting technique especially with the application of continuous casting and out furnace refining techniques the requirement on ladle refractory material is much higher.
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Impact of steel ladle preheating on the decarburization of
· temperatures this favors carbon burnout in MgO-C refractories and thereby negatively influences their initial corrosion and erosion resistance. The aim of this thesis was then to analyze the impact of steel ladle preheating procedure on possible decarburization of MgO-C refractories
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Characterization and post-mortem analysis of Al2O3-MgO-C
· 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 line and bottom of the steelmaking ladle
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Review Control of MgO·Al2O3 Spinel Inclusions in
killed steel containing high C of 0.6–0.75wt for thin wire rods.4) They reported that because the precipitated spinel did not have deformability when hot-rolled it resulted in large inclusions. High C steels also have potential cause of spinel inclusions owing to the reaction of carbon and MgO in slag to generate soluble Mg and CO gas.
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Performance Requirements of Al2O3-MgO·Al2O3 Refractory
· Al2O3-MgO·Al2O3 Refractory Material for Ladle. Al2O3-MgO·Al2O3 refractory materials are selected for the sidewalls and bottom of the ladle. The most common form is Al2O3-MgO·Al2O3 castables. The design of its chemical composition is mainly to use the eutectic phase region of the MgO·Al2O3-Al2O3 sub-system in the Al2O3-MgO binary system and the area of MgO about 5 .
Get PriceThermal Evolution of Al2O3-MgO-C Refractories
· In spite of the high cost of bauxite Al2O3-MgO-C refractory bricks (AMC) are widely used for steelmaking vessel working linings due to their excellent properties high temperature mechanical strength and high resistances to both thermal spalling and slag corrosion. In part these properties stem from the thermal evolution of the phases and the
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Corrosion behavior of MgO–C ladle refractory by molten
On the basis of this fact the corrosion behavior of MgO–C refractory in contact with molten slag during the steel refining process is experimentally studied in this work. Rotating and static dipping tests of MgO–C refractory in CaO–SiO2–Al2O3–MgO–FeO slags are conducted and the effects of composition of slag carbon in refractory
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Paperrefractories-worldforum
· Iron and Steel Technology (2004) 1 42–47 2 Pagliosa C. Souza P.V. Hama N. Improvement of MAC bricks for steel ladle with CaO-MgO-Al 2 O 3 aggregate A new perspective for cement application. Proc. UNITECR 2017 Santiago de Chile 2017 169–172 3 Wöeyer Chr. et al. Protection mechanism of CMA-additives in MgO-C ladle
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Review Control of MgO·Al2O3 Spinel Inclusions in
killed steel containing high C of 0.6–0.75wt for thin wire rods.4) They reported that because the precipitated spinel did not have deformability when hot-rolled it resulted in large inclusions. High C steels also have potential cause of spinel inclusions owing to the reaction of carbon and MgO in slag to generate soluble Mg and CO gas.
Get PriceEffect of CaO/Al2O3 Ratio of Ladle Slag on Formation
3 (=C/A) ratio of the ladle slag on the formation behavior of non-metallic inclu-sions in the Mn-V-alloyed steel was investigated using both the experimental method and refractory-slag-metal-inclusion (ReSMI) multiphase reactions simulation. The formation behavior of inclusion was strongly
Get Price
Corrosion behavior of MgO–C ladle refractory by molten
On the basis of this fact the corrosion behavior of MgO–C refractory in contact with molten slag during the steel refining process is experimentally studied in this work. Rotating and static dipping tests of MgO–C refractory in CaO–SiO2–Al2O3–MgO–FeO slags are conducted and the effects of composition of slag carbon in refractory
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PRCO Products-
Refractories for Steel Ladle Refractory Mortar MgO-C Bricks for Ladle Al2O3-MgO-C and MgO-Al2O3-C Brick Alumina Magnesia Spinel Bricks MgO-CaO-C Bricks MgO-Cr2O3 Bricks Purging Plugs Porous Purging Plugs Twin Purging Plug System Well Blocks
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RefractoriesIndMin
parts for steel making Al2O3-C ZrO2-C MgO-C basedmainly for continuous castingladle shrouds monobloc stopper submerged nozzles central role in steel making heavy duty parts 10 Graphite and Carbon bricks Usually precursors like PET-Coke Anthracite Coke or Synthetic Graphite are used.
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Refractories for Steel Ladle Refractory Mortar MgO-C Bricks for Ladle Al2O3-MgO-C and MgO-Al2O3-C Brick Alumina Magnesia Spinel Bricks MgO-CaO-C Bricks MgO-Cr2O3 Bricks Purging Plugs Porous Purging Plugs Twin Purging Plug System Well Blocks
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Thermal Evolution of Al2O3-MgO-C Refractories
· In spite of the high cost of bauxite Al2O3-MgO-C refractory bricks (AMC) are widely used for steelmaking vessel working linings due to their excellent properties high temperature mechanical strength and high resistances to both thermal spalling and slag corrosion. In part these properties stem from the thermal evolution of the phases and the
Get Price
PRCO Products-
Refractories for Steel Ladle Refractory Mortar MgO-C Bricks for Ladle Al2O3-MgO-C and MgO-Al2O3-C Brick Alumina Magnesia Spinel Bricks MgO-CaO-C Bricks MgO-Cr2O3 Bricks Purging Plugs Porous Purging Plugs Twin Purging Plug System Well Blocks
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