Basic Oxygen Furnace Slag Concrete

Basic oxygen furnace slag - Euroslag

Basic oxygen furnace slag. Basic oxygen furnace slag - BOS (also called LD-converter slag)is formed during the conversion of hot metal from the blast furnace into steel in a basic oxygen furnace.In this process the hot metal is treated by blowing oxygen to remove carbon and other elements that have a high affinity to oxygen.

Applicability of Basic Oxygen Furnace Slag as a Concrete ...

Little basic oxygen slag is used as a portland cement concrete aggregate because of its unsoundness in concrete. However, soundness of basic oxygen furnace slag in concrete appears to largely depend upon the mineralogical and chemical compositions of the slag.

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Utilization of Basic Oxygen Furnace (BOF) slag in the ...

Basic Oxygen Furnace (BOF) slag is a major waste product generated during the steelmaking process. In India and in most industrial countries, the use of BOF slag as a road ballast and land filler has had a very long history. This being a low end use, a study was conducted to examine the possibility of converting the slag into a hydraulic binder.

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Basic Oxygen Furnace Slag (BOFS) Graded Aggregates_CHC ...

Raw materials and production processes. BOFS graded aggregates are by-products of BOF steelmaking in a wholly integrated steel mill. Their main chemical compositions are CaO, SiO 2, Al 2 O 3, Fe 2 O 3, etc.The molten slag is cooled and solidified into basic oxygen furnace slag, which then undergoes crushing, magnetic separation, and screening to make BOFS graded aggregates.

Common Uses for Slag | National Slag Association

Basic Oxygen Furnace Steel Slag (BOF or Steel Furnace Slag) This slag Is formed when molten Iron, scrap metals and various fluxes, such as lime, are oxidized by injecting large amounts of pure oxygen into the molten iron mix to create molten steel and molten slag. Slow cooling of the molten slag produces a dense rock material. Principal uses ...

Characteristics of steel slags and their use in cement and ...

Steel slags are industrial by-products of steel manufacturing, characterized as highly calcareous, siliceous and ferrous. They can be categorized into basic oxygen furnace (BOF) slag, electric arc furnace (EAF) slag, and ladle furnace (LF) slag.

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dot.state.oh.us

E. Steel Slag Aggregate. Provide open-hearth (OH), basic oxygen furnace (BOF), and electric arc furnace (EAF) steel slag aggregate (known as steel slag) according to the following requirements when 703.04 aggregate for asphalt concrete base or 703.05 aggregate for

Chemical, Mineralogical, and Morphological Properties of ...

The slag generated from a steelmaking cycle is later processed, and the final product after processing is referred to as basic-oxygen-furnace slag (BOF slag). The chemical reactions occurring during the removal of impurities determine the chemical composition of the basic-oxygen-furnace slag

Electric Arc Furnace Slag Concrete | Request PDF

Four types of steel slags, a ladle slag, a BOF (basic oxygen furnace) slag and two different EAF (electric arc furnace) slags, were characterized and modified by semi-rapid cooling in crucibles ...

Steel Furnace Slag | National Slag Association

Slag is poured from the furnace in a molten state. After cooling from its molten state, steel slag is processed to remove all free metallics and sized into products. Basic Oxygen Furnace (BOF) : Oxygen is blown into the furnace vessel through a water-cooled oxygen lance oxidizing carbon and the other unwanted elements in the molten iron.

Concrete Produced by Steel‐Making Slag (Basic Oxygen ...

A steel-making slag (basic oxygen furnace) obtained from the Kardemir Steelworks was modified to be used as a clinker additive in the cement industry.

Modification of Basic Oxygen Furnace Slag for Cement ...

This work deals with the modification of one basic oxygen furnace (BOF) slag with the objective of making it an appropriate additive in blended cement formulations. Two different modified slags were produced in a pilot-scale metallurgical reactor by mixing additives into 300 kg of remelted BOF slag.

Comparative Strength Analysis of Concrete by Partial ...

Keywords Basic oxygen furnace Slag, water cement ratio, Compressive strength, concrete. I INTRODUCTION. Basic Oxygen Furnace slag is formed during the conversion of hot metal from the blast furnace into steel in a basic oxygen furnace. In this process the hot metal is treated by blowing oxygen to remove carbon and other elements that have a ...

Feasibility and Characterization Mortar Blended with High ...

Dec 20, 2018 · Basic oxygen furnace slag (BOFS) was ground to three levels of fineness as a replacement for cement at weight proportions of 10, 30, 50, and 70 wt.%. Fineness and weight proportion were shown to have significant effects on the flowability and setting ...

High-Amount Basic Oxygen Furnace Slag

oxygen furnace slag (BOFS) and electric arc furnace slag (EAFS), which can be further divided into oxide ballast and reducing ballast, based on the smelting process [2–4]. Due to its hardness, BFS is commonly used for road construction and as concrete aggregate [5–9]; however, it must be stabilized

Flexural Strength of Concrete by Partial Replacement of ...

The substitution of Basic oxygen furnace slag enhances the Flexural strength of M-25 concrete mix up to certain percentage. After adding 15% Basic Oxygen furnace slag in the mix, there is an increase of 17.67% strength after 7 days, and 17.26% increase after 28 days.

Soil Stabilization Using Basic Oxygen Steel Slag Fines ...

Apr 02, 2006 · The uses of byproducts such as blastfurnace slag and steel slag [electric arc furnace slag and basic oxygen steel (BOS) slag, and ground granulated blastfurnace slag] have long been established in a number of applications in the civil engineering industry.

Steel Slag - Material Description - User Guidelines for ...

The slag occurs as a molten liquid melt and is a complex solution of silicates and oxides that solidifies upon cooling. Virtually all steel is now made in integrated steel plants using a version of the basic oxygen process or in specialty steel plants (mini-mills) using an electric arc furnace process.

Slag – as Subbase

What is ‘slag’ • ‘Slag’ is a by product of either iron or steel making processes. • Blast Furnace Slag – Produced as a by product from iron making. Typically air cooled, then crushed and graded. • Steel Slag – Produced from steel making processes such as electric arc furnace, basic oxygen furnace, etc. Steel Slag Blast Furnace Slag

Steel - Basic oxygen steelmaking | Britannica

Steel - Steel - Basic oxygen steelmaking: More than half the world’s steel is produced in the basic oxygen process (BOP), which uses pure oxygen to convert a charge of liquid blast-furnace iron and scrap into steel. The basic oxygen furnace (BOF) is a refractory-lined, tiltable converter into which a vertically movable, water-cooled lance is inserted to blow oxygen through nozzles at ...

Ground granulated blast-furnace slag - Wikipedia

Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.Ground -granulated blast furnace is highly cementitious and high in CSH (calcium silicate hydrates) which is a strength enhancing ...

Page 1 Safety Data Sheet (SDS) - Edw. C. Levy

Page 1 Safety Data Sheet (SDS) OSHA HazCom Standard 29 CFR 1910.1200(g) and GHS Rev 03. Issue date 07/13/2015 Reviewed on 08/12/2015 41. 0.9 * 1 Identification · Product identifier · Trade name: Basic Oxygen Furnace Slag (BOF Slag / Steel Slag) · CAS Number: 91722-09-7 · Relevant identified uses of the substance or mixture and uses advised against No further relevant information

Basic Oxygen Furnace (BOF) - HarbisonWalker International

HarbisonWalker International is a predominant supplier of basic oxygen furnace (BOF) refractories in the United States, where the BOF is the primary device used to produce high-quality integrated steel.

dot.state.oh.us

E. Steel Slag Aggregate. Provide open-hearth (OH), basic oxygen furnace (BOF), and electric arc furnace (EAF) steel slag aggregate (known as steel slag) according to the following requirements when 703.04 aggregate for asphalt concrete base or 703.05 aggregate for asphalt intermediate

dot.state.oh.us

E. Steel Slag Aggregate. Provide open-hearth (OH), basic oxygen furnace (BOF), and electric arc furnace (EAF) steel slag aggregate (known as steel slag) according to the following requirements when 703.04 aggregate for asphalt concrete base or 703.05 aggregate for asphalt intermediate

Concrete with Steel Furnace Slag and Fractionated ...

pavement, RAP, steel furnace slag, SFS, electric arc furnace slag, EAF, basic oxygen furnace slag, BOF, expansion, autoclave, free lime, free CaO, ethylene glycol test, concrete durability, concrete fracture 18. Distribution Statement No restrictions. This document is available to the public through the National Technical Information Service,

Basic Oxygen Furnace (BOF) - HarbisonWalker International

HarbisonWalker International is a predominant supplier of basic oxygen furnace (BOF) refractories in the United States, where the BOF is the primary device used to produce high-quality integrated steel.

Evaluation of Basic Oxygen Furnace (BOF ... - DeepDyve

Jul 15, 2016 · Read "Evaluation of Basic Oxygen Furnace (BOF) material into slag-based asphalt concrete to be used in railway substructure, Construction and Building Materials" on DeepDyve, the largest online rental service for scholarly research with thousands of

Physical and Chemical Characteristics of Blast Furnace ...

Use of basic oxygen furnace slag fines in the production of cementitious mortars and the effects on mortar expansion. Construction and Building Materials 2018, 167, 768-774. DOI: 10.1016/j.conbuildmat.2018.02.102.

Concrete Produced by Steel-Making Slag (Basic Oxygen ...

Concrete Produced by Steel-Making Slag (Basic Oxygen Furnace) Addition in Portland Cement Hasan Alanyali,* Mustafa C¸o¨l, Muharrem Yilmaz, and S¸adi Karago¨z Faculty of Engineering, Kocaeli University, Izmit-Kocaeli, Turkey A steel-making slag (basic oxygen furnace) obtained from the Kardemir Steelworks was modified to be used as a clinker

Basic slag - Wikipedia

The slag can also be used to create fibers used as an insulation material called slag wool. Basic slag. Basic slag is a co-product of steelmaking, and is typically produced either through the blast furnace - oxygen converter route or the electric arc furnace - ladle furnace route.

Feasibility Study of Dephosphorization of Slag Generated ...

Keywords Basic oxygen furnace slag, Dephosphorization, Wet magnetic separation, Characterization, Magnetic field 1. Introduction Large quantities of steel slag are generated by the various steelmaking processes; of which basic oxygen furnace slag accounts larger fraction [1]. Steel and steel slag annual

Chemical characteristics of iron and steel slag : NIPPON ...

The primary components of iron and steel slag are limestone (CaO) and silica (SiO 2).Other components of blast furnace slag include alumina (Alsub>2 O 3) and magnesium oxide (MgO), as well as a small amount of sulfur (S), while steelmaking slag contains iron oxide (FeO) and magnesium oxide (MgO).In the case of steelmaking slag, the slag contains metal elements (such as iron) in oxide form ...

Basic Oxygen Furnace (BOF) | Working Lining | Safety ...

Basic Oxygen Furnace Since 2000 Resco Products has been one of the leading producers of Basic Oxygen Furnace (BOF) refractories in North America. Resco Products understands the detail it requires to create a BOF that stays in service.

Experimental Investigation on Compressive Strength of LD ...

Dec 31, 2018 · Concrete of grades M20, M25, M30, M35 and M40 has been considered for studying their compressive behaviour when natural aggregates are being gradually replaced with LD slag. The results obtain showed an increase in compressive strength of the concretes with the increase in percentage replacement of natural fine and coarse aggregates with LD slag.

Products and Services > Basic Oxygen Furnace Slag ...

Basic oxygen furnace slag at 1200℃ is poured into a shallow slag pot for initial cooling. The slag with reduced surface temperature is transported to a puddle, and then sweltered in a stockpile, which will make it disintegrate into aggregates naturally so that flattened graded aggregates can be collected.

In-situ Temperature Effects in Basic Oxygen Furnace Slag ...

In-situ Temperature Effects in Basic Oxygen Furnace Slag Asphalt Concrete Pavement ... Basic oxygen furnace (BOF) slag is a by-product of steel plants and is different from conventional natural aggregates. Studies have shown that BOF slag asphalt concrete is able to store heat. However, no quantitative research results have been presented.

Ohio Sand Aggregate and Stone Aggregate - Stein Inc

Blast Furnace Slag is the co-product of iron making in a blast furnace, while Steel Slag is a co-product of steel making in a BOF (Basic Oxygen Furnace) or EAF (Electric Arc Furnace). Blast furnace slag is used in a variety of applications including structural concrete, mineral wool, and glass manufacture. Steel slag also has numerous ...