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Steel Making Lecture Note

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Name of Notes : – Steel Making Lecture Note

Introduction

Steelmaking is the process of producing steel from iron ore and/or scrap. In steelmaking, impurities such as nitrogen, silicon, phosphorus, sulfur and excess carbon (most important impurity) are removed from the sourced iron, and alloying elements such as manganese, nickel, chromium, carbon and vanadium are added to produce different grades of steel. Limiting dissolved gases such as nitrogen and oxygen and entrained impurities (termed “inclusions”) in the steel is also important to ensure the quality of the products cast from the liquid steel.

Steelmaking has existed for millennia, but it was not commercialized on a massive scale until the late 14th century. An ancient process of steelmaking was the crucible process. In the 1850s and 1860s, the Bessemer process and the Siemens-Martin process turned steelmaking into a heavy industry. Today there are two major commercial processes for making steel, namely basic oxygen steelmaking, which has liquid pig-iron from the blast furnace and scrap steel as the main feed materials, and electric arc furnace (EAF) steelmaking, which uses scrap steel or direct reduced iron (DRI) as the main feed materials. Oxygen steelmaking is fuelled predominantly by the exothermic nature of the reactions inside the vessel; in contrast, in EAF steelmaking, electrical energy is used to melt the solid scrap and/or DRI materials. In recent times, EAF steelmaking technology has evolved closer to oxygen steelmaking as more chemical energy is introduced into the process.

Modules / Lectures

  • Steelmaking Fundamentals
  • Modern Steelmaking Practice
  • Ladle Metallurgy
  • Solidification and casting and finishing operations
  • Steelmaking in India

Additional information

Product Name

Steel Making Lecture Note

Product Size

10.3 MB

Format

File Format

File Category

DEPARTMENT/COURSE

Need For

College, Competition, Entrance, Exams, PSU, Semester, University

Product Type

Written By

Prof. Satish Ch. Koria

Provided By

IIT Kanpur

Uploaded By

Roop Chandra

Languages

English

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