cr0264_fm - SECONDARY STEELMAKING Principles and...

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Principles and Applications Ahindra Ghosh, Sc.D. AICTE Emeritus Fellow Professor (Retired) Indian Institute of Technology, Kanpur Department of Materials and Metallurgical Engineering SECONDARY STEELMAKING Boca Raton London New York Washington, D.C. CRC Press ©2001 CRC Press LLC
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This book contains information obtained from authentic and highly regarded sources. Reprinted material is quoted with permission, and sources are indicated. A wide variety of references are listed. Reasonable efforts have been made to publish reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their use. Neither this book nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming, and recording, or by any information storage or retrieval system, without prior permission in writing from the publisher. The consent of CRC Press LLC does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific permission must be obtained in writing from CRC Press LLC for such copying. Direct all inquiries to CRC Press LLC, 2000 N.W. Corporate Blvd., Boca Raton, Florida 33431. Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation, without intent to infringe. © 2001 by CRC Press LLC No claim to original U.S. Government works International Standard Book Number 0-8493-0264-1 Library of Congress Card Number 00-060865 Printed in the United States of America 1 2 3 4 5 6 7 8 9 0 Printed on acid-free paper Library of Congress Cataloging-in-Publication Data Ghosh, Ahindra Secondary Steelmaking : Principles and Applications p. cm. Includes bibliographical references and index. ISBN 0-8493-0264-1 1. Steel. I. Title. TN730 .G48 2000 672—dc21 00-060865 ©2001 CRC Press LLC
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©2001 CRC Press LLC Dedication to Dr. G. P. Ghosh (Late) Prof. T. B. King (Late) Prof. A. K. Seal
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©2001 CRC Press LLC Preface With the passage of time, customers who buy steel are becoming more and more quality conscious. In view of this, steelmakers are attempting to improve steel quality as a continuing endeavor. The product of steelmaking is liquid steel, which is then cast primarily via the continuous casting route. Liquid steel of superior quality should have a minimum of harmful impurities and nonmetallic inclusions, the desired alloying element content and casting temperature, and good homogeneity. The primary steelmaking furnaces, such as the basic oxygen furnace and electric arc furnace , are not capable of meeting quality demands. This has led to the growth of what is known as secondary steelmaking, which is concerned with further refining and processing of liquid steel after it is tapped into the ladle from the primary steelmaking furnace. Secondary steelmaking is a major thrust area in modern steelmaking technology and has witnessed significant advances in the last
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This note was uploaded on 10/08/2009 for the course CME MAT E 112 taught by Professor Dr.atoo during the Fall '09 term at University of Alberta.

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cr0264_fm - SECONDARY STEELMAKING Principles and...

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