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use of slag line refractory in ladle for tire cord steel

Current Location : Home > use of slag line refractory in ladle for tire cord steel

  • Non-Metallic Inclusions in SteelsSlag Steel Data

     · Steel infiltration in resin-bonded magnesia-doloma bricks (70-REK-801) applied in the bottom rows of the VOD ladle Steelmaking slag Strong slag line in 1.3520 steel Strong slag line in 1.4718 steel Sulfide and oxide inclusions in stainless steels Sulfide inclusions Type I II and III after deoxidation in steel Sulfides and slag in wrought iron

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  • Influence of crucible material on inclusions in 95Cr saw

     · C. Ye Investigation on Interaction between MgO-A1 2 O 3 Refractory and Molten Steel in Refining Process Dissertation University of Science and Technology Beijing 2007 p. 103. 16 H.Q. Zhao and W.Q. Chen Effect of crucible material and top slag composition on the inclusion composition of tire cord steel J. Iron Steel Res. 24(2012) No

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  • Evolution of Inclusions in Si-Mn-Killed Steel During Ladle

     · Previous studies pointed out that using some of BaO to replace the same amount of CaO in slag is an efficient way to track the effect of refining slag. Also the refractory of ladle working lining (MgO 70 to 75 pct CaO 15 to 20 pct C 5 to 8 pct) used in industrial experiment was also employed in the experiments to check the effect of refractory on the inclusions during refining process.

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  • Application of thermodynamic modeling to slag-metal

     · The application of this model has the advantage of emphasizing the description of dilute solutions important in most cases of steel-slag equilibria. Sundman and co-workers (12) have used this approach to convert the data of Sigworth and Elliott (13) to the CALPHAD formalism in order to describe the liquid steel in the IRSID database . 2.1.

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  • Method of smelting of the high-manganese steel

    At tapping the steel furnace slag is separated and molten metal in the amount of 10-15 of total mass is left in furnace. Slag-forming mixture containing lime and fluorspar at ratio of (0.8-1.2) (0.2-0.5) at flow rate of steel of 10-17 kg/t is fed to ladle during tapping.

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  • THE SLAG RUNNERNational Slag

     · ladle and converter cleaning or whole refractory renovations in metal processing industries. TimkenSteel purchased the 11-ton unit in December 2014 to dig ladles at its Faircrest Steel Plant in Canton Ohio. TimkenSteel produces high quality alloy steel bars and tubes used in automotive industrial and energy applications.

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  • Final Scientific Report Steel Foundry Refractory Lining

     ·  article osti_805266 title = Final Scientific Report Steel Foundry Refractory Lining Optimization author = Smith J D and Peaslee K D abstractNote = The overall objective of the program was to optimize refractory materials and foundry processing used in casting steel. This objective was to be met by completing the following (1) Surveying the steel foundries both through paper

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  • Study on Control of Inclusion Compositions in Tire Cord

     · 

    Abstract

    Top slag melting experiment was conducted in a silicon molybdenum

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  • STUDIES ON PRODUCTION OF STEEL WITH IMPROVED

     · increase the temperature of steel bath. This is an example of Ladle Metallurgy. 5. OBSERVATIONS AND CONCLUSIONS The following are some observations which shows us how we can improve steel quality and what must be avoided to obtain the steel with improved cleanliness. SLAG CARRY OVER While tapping the steel

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  • Industrial Application of Desulfurization Using Low

     · Desulfurization performance with low binary basicity refining slag in 72 grade tire cord steel was calculated using FactSage and it is found that sulfur content in steel decreases with the increase of basicity of slag MgO content in slag and slag/steel ratio while sulfur partition ratio between slag and steel increases gradually with the increase of basicity of slag as well as MgO content.

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  • Magnesia Dolomite Brick in AOD Refining Refractory Brick

     · VAD refined ladle is mainly used for refining carbon steel and alloy steel with high purity. The slag line is generally made of magnesia chrome brick. It is now developed as dolomite magnesia dolomite and high purity dolomite carbon brick. The service life is 30 40. Times while magnesia chrome bricks are less than 15 times.

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  • Experimental study on accelerometer-based ladle slag

     · During the journey of the liquid steel through whole steelmaking stages the carryover ladle slag can turn into one of the most detrimental element in casters. It is known that a carryover ladle slag consists of mainly oxides such as CaO SiO 2 Al 2 O 3 and MgO. Carryover slag has to be kept under control otherwise one can end up with negative results.

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  • Application of thermodynamic modeling to slag-metal

     · The application of this model has the advantage of emphasizing the description of dilute solutions important in most cases of steel-slag equilibria. Sundman and co-workers (12) have used this approach to convert the data of Sigworth and Elliott (13) to the CALPHAD formalism in order to describe the liquid steel in the IRSID database . 2.1.

    Get Price
  • High Carbon Grades for Wire Rod LinesThe Core of

     · different heats for a specific steel grade is fundamental in order to guarantee the reliability of the overall process of high carbon production. This is particularly true in the case of tire cord grades (e.g. LX70A SWRH72A C72D2 C78D2 C82DA etc.) that

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  • Thermodynamicson Control of Inclusions Composition

    refractory and slag and refractory and steel. Accord- 1996 ISIJ 528 ingly the inclusions composition is greatly infiuenced by the compositions of the top slag and/or refractory material. In other words the precise control of inclusions composition be possible only by choosing the proper top slag composition and refractory materials. This

    Get Price
  • Effect of Slag Composition on Inclusions in Si-Deoxidized

     · Laboratory experiments and thermodynamic calculation for the Si-deoxidized 18Cr-8Ni stainless steel with CaO-Al2O3-SiO2-CaF2-MgO-MnO slag were performed to investigate the effect of slag composition on inclusions in Si-deoxidized 18Cr-8Ni stainless steels. A high-basicity slag improved the cleanness of stainless steel while a low basicity slag lowered the Al2O3 content in inclusions

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  • Non-Metallic Inclusions in SteelsSlag Steel Data

     · Steel infiltration in resin-bonded magnesia-doloma bricks (70-REK-801) applied in the bottom rows of the VOD ladle Steelmaking slag Strong slag line in 1.3520 steel Strong slag line in 1.4718 steel Sulfide and oxide inclusions in stainless steels Sulfide inclusions Type I II and III after deoxidation in steel Sulfides and slag in wrought iron

    Get Price
  • Review State of the Art in the Control of Inclusions in

    steel tire cord steel and saw wire steel) that deoxidize by the first method. Some researchers37 95–97) proposed that CaO-based inclusions were sourceated from interactions between refining slag and molten steel. This view is not very convincing because the content of Ca in molten steel is usually so low and can be lower than 0.0001 wt 98

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  • Use of slag-line refractory in ladle for tire cord steel

    Refractory for slag-line of steel ladle had been improved to meet the demand of tire cord steel making in Baosteel. Bricks with different material such as MgO-Cr2O3 MgO-ZrO2-C and MgO-C were experimented in ladle. The result shows that MgO-C bricks with 6 carbon content can accommodate to the slag with different basicity meanwhile the cost is

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  • Influence of crucible material on inclusions in 95Cr saw

     · C. Ye Investigation on Interaction between MgO-A1 2 O 3 Refractory and Molten Steel in Refining Process Dissertation University of Science and Technology Beijing 2007 p. 103. 16 H.Q. Zhao and W.Q. Chen Effect of crucible material and top slag composition on the inclusion composition of tire cord steel J. Iron Steel Res. 24(2012) No

    Get Price
  • Thermodynamicson Control of Inclusions Composition

    refractory and slag and refractory and steel. Accord- 1996 ISIJ 528 ingly the inclusions composition is greatly infiuenced by the compositions of the top slag and/or refractory material. In other words the precise control of inclusions composition be possible only by choosing the proper top slag composition and refractory materials. This

    Get Price
  • INCLUSIONS IN CONTINUOUS CASTING OF STEEL

     · interaction of liquid steel with its surroundings (slag entrainment and erosion of lining refractory). In machining they produce chatter causing pits and gouges on the surface of machined sections frequent breakage as well as excessive tool wear. The frequency of exogenous inclusions in steel is exemplified in figure 9 61) by Slime extraction.

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  • Thermodynamicson Control of Inclusions Composition

    refractory and slag and refractory and steel. Accord- 1996 ISIJ 528 ingly the inclusions composition is greatly infiuenced by the compositions of the top slag and/or refractory material. In other words the precise control of inclusions composition be possible only by choosing the proper top slag composition and refractory materials. This

    Get Price
  • Final Scientific Report Steel Foundry Refractory Lining

     ·  article osti_805266 title = Final Scientific Report Steel Foundry Refractory Lining Optimization author = Smith J D and Peaslee K D abstractNote = The overall objective of the program was to optimize refractory materials and foundry processing used in casting steel. This objective was to be met by completing the following (1) Surveying the steel foundries both through paper

    Get Price
  • EVALUATION AND CONTROL OF STEEL CLEANLINESS

     · The definition of clean steel varies with steel grade and its end use as shown in Table II. Tire cord H ≤2ppm N ≤40ppm T.O≤15ppm 13 10µm 13 Non-grain-orientated Magnetic Finally operating practices to improve steel cleanliness at the ladle tundish and continuous caster are reviewed. Many industrial data about steel

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  • EVALUATION AND CONTROL OF STEEL CLEANLINESS ¾

     · 3 further explained byfigure 1 18 which shows the measured content of inclusions larger than 30 µm to drop from 1.61 ppm in a ladle to only 0.58ppm in the tundish. Thus the tundish steel is cleaner despite having a slightly higher total oxygen content and more total inclusions.

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  • Effect of Refining Slag Phase Composition on Ladle Furnace

     · The working layer of a ladle furnace unit (LFU) lining made from periclase-graphite refractory is most strongly subjected to the effect of corrosion factors that concern thermal mechanical and chemical action. The strongest destructive effect on a lining is the chemical factor. This article provides results of studying the effect slag phase composition on chemical breakdown of a LFU

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  • Industrial Application of Desulfurization Using Low

     · Desulfurization performance with low binary basicity refining slag in 72 grade tire cord steel was calculated using FactSage and it is found that sulfur content in steel decreases with the increase of basicity of slag MgO content in slag and slag/steel ratio while sulfur partition ratio between slag and steel increases gradually with the increase of basicity of slag as well as MgO content.

    Get Price
  • Final Scientific Report Steel Foundry Refractory Lining

     ·  article osti_805266 title = Final Scientific Report Steel Foundry Refractory Lining Optimization author = Smith J D and Peaslee K D abstractNote = The overall objective of the program was to optimize refractory materials and foundry processing used in casting steel. This objective was to be met by completing the following (1) Surveying the steel foundries both through paper

    Get Price

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