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  • hot selling alumina magnesia carbon brick for ladle lining ...

    [Hot Item] Magnesia Carbon Refractory Brick Magnesite Carbon Brick - Made-in-China. Magnesia carbon brick mainly used for steelmaking oxygen converter lining, the steel export, high power electric furnace wall hot spots, as well as the furnace refining furnace lining, Sheng steel ladle slag …

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  • Gongyi City Hong The Refractory Material Co., Ltd ...

    Gongyi City Hong The Refractory Material Co., Ltd.. Supplier from China. View Products.

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  • Glossary of Terms Definitions ... - Ministry of Steel

    2 days agou2002·u2002TERMS RELATED TO 'STEEL' AND 'STEEL PRODUCTS' : STEEL: Steel is an iron based alloy containing Carbon, Silicon, Manganese etc. STEEL MAKING: Steel making is the process of selective oxidation of impurities present in the charge material (Hot metal/Scrap/DRI) in the presence of suitable fluxes in the Steel Melting Shops (SMS).

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  • Industry.Guru

    2021-9-27u2002·u2002The Slag Cement Association (SCA) is a nonprofit trade association representing producers and shippers of slag cement in the United States. Since 2010, been running its annual slag cement project of the year awards program. The slag cement awards recognize projects for excellence and innovation in concrete using slag cement.

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  • Technologies and policies to decarbonize global industry ...

    2020-5-15u2002·u2002The industry sector was responsible for 33% of global anthropogenic GHG emissions in 2014. This figure includes emissions from on-site fuel combustion, emissions from manufacturing processes, and indirect emissions associated with purchased electricity and heat; without indirect emissions, the industry sector was still responsible for 19% of global anthropogenic GHG emissions ().

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  • A review of the technologies, economics and policy ...

    2014-2-1u2002·u2002Industrial processes account for one-third of global energy demand. The iron and steel, cement and refining sectors are particularly energy-intensive, together making up over 30% of total industrial energy consumption and producing millions of tonnes of CO 2 per year. The aim of this paper is to provide a comprehensive overview of the technologies for reducing emissions from industrial ...

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  • (PDF) Refractories for gasification reactors: A ...

    The heart of the entrained-flow gasification technology is a. reactor that can be operated at pressures between 6 and 30 bar. The gasification feeds and oxygen required for the reaction are ...

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  • Glass-ceramics: Their production from wastes—A Review ...

    2006-1-1u2002·u2002Glass-ceramics are polycrystalline materials of fine microstructure that are produced by the controlled crystallisation (devitrification) of a glass. Numerous silicate based wastes, such as coal combustion ash, slag from steel production, fly ash and filter dusts from waste incinerators, mud from metal hydrometallurgy, different types of sludge as well as glass cullet or mixtures of them have ...

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  • Scissors — Design Life-Cycle

    2019-12-4u2002·u2002Scissors consist principally of ABS plastic and stainless steel; however, the scissor life cycle––from extraction of raw materials, to manufacturing, packaging, distribution, and recycling or disposal––involves more materials than initially obvious, such as iron, chromium, crude oil, and fuels. Though materials alone do not provide a ...

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  • Current & Future Trend Ofteel Making 3.4.14

    2014-3-4u2002·u2002Current and Future Trend of. Steel Making Technology. Dr. P.K.Ray Choudhury,Ex.GM Research & Development centre for Iron Steel ( Steel Authority of India Limited) Why Steel? • Steel is an alloy that consists of iron and carbon along with other metal. • It is used in construction because: – It is much stronger – More Durable – Pure iron is brittle and much more likely to crack or ...

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  • Crystals

    2021-9-1u2002·u2002Steel slag, as industrial solid waste, is difficult to recycle owing to its complex components and poor mechanical properties. However, steel slag can be modified by adding Al 2 O 3 –SiO 2 through high temperature sintering, which would improve the mechanical properties and expand the scope of its application. The phase changing, morphology ...

    Get Price
  • remelting furnaces, remelting furnaces Suppliers and ...

    About product and suppliers: 1,646 remelting furnaces products are offered for sale by suppliers on Alibaba.com, of which industrial furnace accounts for 2%, laboratory heating equipments accounts for 1%. A wide variety of remelting furnaces options are available to you, such as melting furnace, sintering furnace, and heat treatment furnace.

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  • Study on Adjustment and Optimization of LF Refining Slag ...

    Study on Adjustment and Optimization of LF Refining Slag of Spring Steel 55SiCrA. February 2017; DOI:

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  • China Professional production Magnesia Alumina Spinel ...

    Magnesia in Question: China & World Trends Discussed. 2020-7-16 · China's 2019 exports of refractory raw materials totalled 4.3m tonnes, down by 5.66% year-on-year, valued at US1.920bn, a decrease of 16.25%; and refractory products 1.7m tonnes, down by 7.74%, and valued at …

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  • Crude Steel - an overview

    2016-4-11u2002·u2002The slag is generated as a melt and is a complex solution of silicates and oxides that solidify upon cooling. 11 Depending on the specific steel production process, three different types of steel slags can be produced: basic oxygen furnace slag (BOFS), EAF acid slag, and ladle furnace (LF) basic slag, also called refining slag (Fig. 7.1). The ...

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  • International Journal of Minerals, Metallurgy and Materials

    International Journal of Minerals, Metallurgy and Materials (IJMMM, ISSN 1674-4799, CN 11-5787/TF, monthly, started in 1994, formerly known as Journal of University of Science and Technology Beijing) is an international journal devoted to publishing original research articles (and occasional invited reviews) on all aspects of minerals processing, physical metallurgy, process metallurgy, and ...

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  • Metallurgical Reaction Between Top Slag and Sulfur

    Metallurgical Reaction Between Top Slag and Sulfur-bearing Molten Steel Author Creator: Okayama, A . ... Reducing the Impact of Sulfur Emissions from Poly-generation System Including Chinese Coke Plants. Xie, W. Yu, J. Gupta, S ... Improving Steel Cleanliness Through Slag Refining. Bao, S. Wang, X. Zhang, L. Yang, S ...

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  • The Modern Steel Manufacturing Process - ThoughtCo

    2020-8-21u2002·u2002Secondary steelmaking involves treating the molten steel produced from both BOS and EAF routes to adjust the steel composition. This is done by adding or removing certain elements and/or manipulating the temperature and production environment. Depending on the types of steel required, the following secondary steelmaking processes can be used:

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  • Coil Ambient Temperature and Its Influence on the ...

    2021-7-9u2002·u20021 Introduction Steel with excellent work performance is the ultimate goal for many metallurgical scholars and steel enterprises [].Steel cleanliness has a significant effect on the steel microstructure, which further affects the ultimate performance of steel [2, 3].After proposing the concept of clean steel, many clean steel production technologies are put forward and industrialized to reduce ...

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  • Henan Longjiang Metallurgical Chemical Equipment Co.,

    The byproduct is a ferrous slag which can be utilised in an electric arc furnace to produce crude steel. Physical Description On visual inspection, it appears to be made up of irregular shapes. Dimension: 300mm -1000mm Chemical Composition Its chemical composition is homogeneous and stable with Fe contents in the range of 85 +/- 5% and P ...

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  • Crystals

    2021-9-1u2002·u2002Steel slag, as industrial solid waste, is difficult to recycle owing to its complex components and poor mechanical properties. However, steel slag can be modified by adding Al 2 O 3 –SiO 2 through high temperature sintering, which would improve the mechanical properties and expand the scope of its application. The phase changing, morphology ...

    Get Price
  • A Producer's response to the growing metallurgical coal ...

    2015-6-11u2002·u2002Steel REFINING STAND Scrap ELECTRIC ARC FURNACE TUNNEL FURNACE Raw liquid steel ... Coal Coke COKE OVEN SINTERING BLAST FURNACE Slag Molten pig iron CONVERTER (BOF) Sintered ore 'Graded' Liquid Steel REFINING STAND Slab CONTINUOUS CASTING ROLLING MILL Hot Rolled Coils ... – Counterbalance high domestic demand with export desires – China ...

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  • Integrated and innovative steel slag utilization for iron ...

    2016-11-20u2002·u2002Iron and steel slags are inevitable byproducts from the process of manufacturing iron and steel products. They can be broadly categorized into the iron and steel slags, in which the steel slag includes basic oxygen furnace slag (BOFS), electric arc furnace slag (EAFS) and ladle refining furnace slag (LFS), as presented in Table 1.Although it varies widely depending on the source and on ...

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  • Recent advances in the reuse of steel slags and future ...

    2021-4-26u2002·u2002Steel slag (SS) is a solid waste generated during the conversion of iron into steel in a basic oxygen furnace (BOF) or during the melting of scrap to make steel in an electric arc furnace (EAF). A third type, ladle steel slag, also known as white slag or refining slag, resulting from further refining in the ladle.

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  • China Professional production Magnesia Alumina Spinel ...

    Magnesia in Question: China & World Trends Discussed. 2020-7-16 · China's 2019 exports of refractory raw materials totalled 4.3m tonnes, down by 5.66% year-on-year, valued at US1.920bn, a decrease of 16.25%; and refractory products 1.7m tonnes, down by 7.74%, and valued at …

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  • Emerging Technologies for Iron and Steelmaking

    Stirring gas injected through the bottom of the reactor and gas evolved within the slag and at the slag-metal interface result in foaming of the slag and energetic mixing and intermixing of the slag and metal phases. Secondary low-velocity oxygen is injected either above or into the top portion of the slag layer to partially post-combust the CO ...

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  • Ironmaking - ScienceDirect

    2014-1-1u2002·u2002The ironmaking process in the blast furnace is a heat and mass transfer process, and the furnace can be divided into different zones according to physical and chemical state of the feed and temperature. Figure 1.1.5 illustrates various zones of the blast …

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  • Steel Slag — Its Production, Processing, Characteristics ...

    Steel slag is generally considered to be a by-product that can be classified into two types based on its processing flow. They are BOF slag, from iron-to-steel conversion, and electric arc furnace ...

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  • Recovery of Phosphorus from Dephosphorization Slag ...

    In the slag with basicity (R = [w(CaO) w(SiO 2 )]) of 1.0, the P content in the liquid slag was increased by the addition of CaCl 2 . When the basicity is sufficiently high (e.g., R ‡1.5), the ...

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  • Coil Ambient Temperature and Its Influence on the ...

    2021-7-9u2002·u20021 Introduction Steel with excellent work performance is the ultimate goal for many metallurgical scholars and steel enterprises [].Steel cleanliness has a significant effect on the steel microstructure, which further affects the ultimate performance of steel [2, 3].After proposing the concept of clean steel, many clean steel production technologies are put forward and industrialized to reduce ...

    Get Price
  • Recent advances in the reuse of steel slags and future ...

    2021-4-26u2002·u2002Steel slag (SS) is a solid waste generated during the conversion of iron into steel in a basic oxygen furnace (BOF) or during the melting of scrap to make steel in an electric arc furnace (EAF). A third type, ladle steel slag, also known as white slag or refining slag, resulting from further refining in the ladle.

    Get Price
  • remelting furnaces, remelting furnaces Suppliers and ...

    About product and suppliers: 1,646 remelting furnaces products are offered for sale by suppliers on Alibaba.com, of which industrial furnace accounts for 2%, laboratory heating equipments accounts for 1%. A wide variety of remelting furnaces options are available to you, such as melting furnace, sintering furnace, and heat treatment furnace.

    Get Price
  • International Journal of Minerals, Metallurgy and Materials

    International Journal of Minerals, Metallurgy and Materials (IJMMM, ISSN 1674-4799, CN 11-5787/TF, monthly, started in 1994, formerly known as Journal of University of Science and Technology Beijing) is an international journal devoted to publishing original research articles (and occasional invited reviews) on all aspects of minerals processing, physical metallurgy, process metallurgy, and ...

    Get Price
  • Crystals

    2021-9-1u2002·u2002Steel slag, as industrial solid waste, is difficult to recycle owing to its complex components and poor mechanical properties. However, steel slag can be modified by adding Al 2 O 3 –SiO 2 through high temperature sintering, which would improve the mechanical properties and expand the scope of its application. The phase changing, morphology ...

    Get Price
  • A Producer's response to the growing metallurgical coal ...

    2015-6-11u2002·u2002Steel REFINING STAND Scrap ELECTRIC ARC FURNACE TUNNEL FURNACE Raw liquid steel ... Coal Coke COKE OVEN SINTERING BLAST FURNACE Slag Molten pig iron CONVERTER (BOF) Sintered ore 'Graded' Liquid Steel REFINING STAND Slab CONTINUOUS CASTING ROLLING MILL Hot Rolled Coils ... – Counterbalance high domestic demand with export desires – China ...

    Get Price
  • Integrated and innovative steel slag utilization for iron ...

    2016-11-20u2002·u2002Iron and steel slags are inevitable byproducts from the process of manufacturing iron and steel products. They can be broadly categorized into the iron and steel slags, in which the steel slag includes basic oxygen furnace slag (BOFS), electric arc furnace slag (EAFS) and ladle refining furnace slag (LFS), as presented in Table 1.Although it varies widely depending on the source and on ...

    Get Price
  • (PDF) Assessment of Electric Arc Furnace (EAF) Steel Slag ...

    2020-10-9u2002·u2002molten steel can be prod uced by directly feeding steel scrap into the EAF. Regardl ess of the method used, slag is formed due to chemical reactions between liquid oxides of carbon, silicon ...

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  • Emerging Technologies for Iron and Steelmaking

    Stirring gas injected through the bottom of the reactor and gas evolved within the slag and at the slag-metal interface result in foaming of the slag and energetic mixing and intermixing of the slag and metal phases. Secondary low-velocity oxygen is injected either above or into the top portion of the slag layer to partially post-combust the CO ...

    Get Price
  • Steel Glossary

    As well as being used in carbon and stainless steel making in the form of ferro-silicon, it is the basis for most semiconductors, is used as silica in the production of glass and ceramics, and finds application as silicon metal in aluminium refining. In steel refining, ferro-silicon (FeSi) acts as a deoxidiser to reduce carbon loss, but is also ...

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  • Recovery of Phosphorus from Dephosphorization Slag ...

    In the slag with basicity (R = [w(CaO) w(SiO 2 )]) of 1.0, the P content in the liquid slag was increased by the addition of CaCl 2 . When the basicity is sufficiently high (e.g., R ‡1.5), the ...

    Get Price
  • Slag Agent - csrefractory.com

    2021-7-6u2002·u2002The slag remover agent is mainly used to collect the nonfusible substance on the surface of molten iron to make it easy to remove and ensure the purity of molten iron.It can also be used as high quality heat preservation covering agent and slag retaining material, with thick insulation layer and excellent slag retaining performance. The slag remover can effectively isolate air to prevent ...

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  • Crystals

    2021-9-1u2002·u2002Steel slag, as industrial solid waste, is difficult to recycle owing to its complex components and poor mechanical properties. However, steel slag can be modified by adding Al 2 O 3 –SiO 2 through high temperature sintering, which would improve the mechanical properties and expand the scope of its application. The phase changing, morphology ...

    Get Price
  • Effect of CaF 2 on Phosphorus Refining from Molten Steel ...

    The effect of CaF 2 addition on dephosphorization reaction between molten steel and electric arc furnace (EAF) slag using direct reduced iron (DRI) at 1823 K (1550 °C) was investigated. Basicity, the thermodynamic parameter affecting the removal capacity of phosphorus (i.e., phosphate capacity), decreased using DRI due to an increased SiO2 concentration in the slag.

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  • Steelmaking Slag - an overview

    2012-4-4u2002·u2002D. Sichen, in Fundamentals of Metallurgy, 2005 9.5.1 Slag–metal mixing. In steelmaking, slag–metal mixing is a very common phenomenon and it occurs due to the shear at the slag–metal interface caused by excessive liquid steel flow. 37 This mixing leads to emulsification of steel in slag, which increases the total interfacial area and consequently the rate of slag–metal reactions.

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  • Integrated and innovative steel slag utilization for iron ...

    2016-11-20u2002·u2002Iron and steel slags are inevitable byproducts from the process of manufacturing iron and steel products. They can be broadly categorized into the iron and steel slags, in which the steel slag includes basic oxygen furnace slag (BOFS), electric arc furnace slag (EAFS) and ladle refining furnace slag (LFS), as presented in Table 1.Although it varies widely depending on the source and on ...

    Get Price
  • Effect of slag composition on the cleanliness of 28MnCr5 ...

    2016-2-27u2002·u2002Effect of slag composition on the cleanliness of 28MnCr5 gear steel in the refining processes Effect of slag composition on the cleanliness of 28MnCr5 gear steel in the refining processes Dong, Wen-liang; Ni, Hong-wei; Zhang, Hua; Lü, Ze-an 2016-02-27 00:00:00 The equilibrium reaction between CaO—Al2O3—SiO2—MgO slag and 28MnCr5 molten steel was calculated to obtain the suitable slag ...

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  • Corrosion Behavior of MgO–C Ladle Refractory by Molten

    2020-11-4u2002·u2002On 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–SiO 2 –Al 2 O 3 –MgO–FeO slags are conducted, and the effects of composition of slag, carbon in ...

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  • Effect of slag composition on the cleanliness of 28MnCr5 ...

    The equilibrium reaction between CaO—Al 2 O 3 —SiO 2 —MgO slag and 28MnCr5 molten steel was calculated to obtain the suitable slag composition which is effective for decreasing the oxygen content in molten steel. The dissolved oxygen content [O] in molten steel under different top slag conditions was calculated using a thermodynamic model and was measured using an electromotive force ...

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  • Process for refining molten pig iron and steel - Nippon ...

    What is claimed is: 1. A process for refining molten pig iron and steel, which comprises successively treating each of at least four charges with oxygen-blowing in a converter and stopping the oxygen-blowing at a blown-off carbon [C] content ranging from 0.09 to 0.15%, tapping the resultant molten steel from the converter, and subjecting the molten steel tapped from the converter to a ...

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  • Emerging Technologies for Iron and Steelmaking

    Stirring gas injected through the bottom of the reactor and gas evolved within the slag and at the slag-metal interface result in foaming of the slag and energetic mixing and intermixing of the slag and metal phases. Secondary low-velocity oxygen is injected either above or into the top portion of the slag layer to partially post-combust the CO ...

    Get Price
  • China Aluminium Ingot 99.99% 99.9% /99.7% with ...

    China Aluminium Ingot 99.99% 99.9% /99.7% with Competitive Price, Find details about China Aluminum Ingot, Aluminum Alloy Ingot from Aluminium Ingot 99.99% 99.9% /99.7% with Competitive Price - HEBEI ENMIN METAL MATERIAL IMPORT AND EXPORT CO., LTD.

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  • steel-rollingmachine.com - Rolling Mill Production Line

    2021-9-17u2002·u2002The decrease of steel level will also cause slag inclusion. If there is sufficient time for the plug bar to close the immersion nozzle, the steel level can be reduced to below the allowable limit. If the pouring starts again, the molten steel will inhibit the mold protection slag, resulting in slag inclusion.

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  • Gongyi City Hong The Refractory Material Co., Ltd ...

    Gongyi City Hong The Refractory Material Co., Ltd.. Supplier from China. View Products.

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  • Overview of Magnesium Metallurgy

    2021-4-30u2002·u2002In 2018, China's import of metal magnesium was 462.35 tonnes, which is a year-on-year increase of 27.83%; the import amount of magnesium in the same year was 12.4201 million US dollars, which is an increase of 44.18% year-on-year. Table 1.3 shows the statistical figures about China's import and export of magnesium from 2010 to 2018.

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  • The Voice of the American Steel Industry

    Steel Imports Up 25.5% Year-to-date Through August. Based on preliminary Census Bureau data, the American Iron and Steel Institute (AISI) reported today that the U.S. imported a total of 2,767,000 net tons (NT) of steel in August 2021.

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  • The SPL Waste Management Challenge in Primary

    2021-3-16u2002·u2002By Alton Tabereaux, Contributing Editor. Spent potlining (SPL) disposal is one of the largest environmental waste management challenges confronting worldwide primary aluminum smelters due to its toxicity. The International Aluminium Institute (IAI) asserts that 1.6 million tons of SPL were generated from primary aluminum production in 2019,1 making it the second largest waste volume produced […]

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  • Recycling and use of wastes/co-products from the iron ...

    2011-1-1u2002·u2002Recycling and use of wastes/co-products from the iron/steel and alumina industries Recycling and use of wastes/co-products from the iron/steel and alumina industries Haynes, Richard J. ; Zhou, Ya-Feng ; Naidu, Ravendra 2011-01-01 00:00:00 The current and potential uses for Blast Furnace (BF) slag, steel slag and red mud, and their environmental implications, are outlined and discussed as are ...

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  • Metal Bulletin

    A long product in a non-ferrous or ferrous metal of rectangular, or sometimes circular, cross-section, normally over 10mm thick and up to 300mm wide. The term is usually reserved for products other than reinforcing bars (or rebars) or de-formed bars (or debars) which are …

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  • Current & Future Trend Ofteel Making 3.4.14

    2014-3-4u2002·u2002Current and Future Trend of. Steel Making Technology. Dr. P.K.Ray Choudhury,Ex.GM Research & Development centre for Iron Steel ( Steel Authority of India Limited) Why Steel? • Steel is an alloy that consists of iron and carbon along with other metal. • It is used in construction because: – It is much stronger – More Durable – Pure iron is brittle and much more likely to crack or ...

    Get Price