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KHUDKIBOOK
STEEL MAKING
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DI05021011
Code: DI05021011
Credits: 4
Semester 5
Rubber
Steel Making
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Follow on Instagram for UpdatesSteel Making Syllabus — Unit-wise Content
The official GTU curriculum for Steel Making (subject code DI05021011) as prescribed for Rubber · Semester 5 divides the course into 7 units, covering 69 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI05021011)Unit 1 Introduction of Steel making
- 1.1 Historical processes: Wrought ironmaking
- crucible 1.2 Modern steel making routes 1.3 Types of steel and classification 1.4 Slag: Role
- types and its basic concepts
Unit 2 Raw materials for Steel making
- 2.1 Metallic charge (primary and secondary): Hot metal (pig iron)
- Sponge iron / DRI / HBI, Iron carbide. 2.2 Oxidizing agents 2.3 Deoxidizers and Alloy additions 2.4 Fluxes 2.5 Furnace refractory materials 2.6 Sources of heat 2.7 Pre-treatment of hot metal 2.4.1 De-siliconization 2.4.2 De-sulphurization 2.4.3 De-phosphorization 2.8 Heat and mass balance of steel making process
Unit 3 Primary Steelmaking Processes
- Bessemer Process (Acid &Basic) 3.1.1 Construction and working of converter
- Raw materials
- Principle of air blowing for oxidation of impurities
- 3.1.3 Differences between acid and basic Bessemer process
- limitations, and applications. 3.2 Open Hearth Process: 3.2.1 Principle of regenerative heating system
- construction and working of furnace
- 3.2.2 Operational steps involved
- advantages and limitations of the process
- Problems based on mass balance of the process Program Name: Diploma Engineering Level: Diploma Branch: Metallurgy Engineering Subject Code: DI05021011 Subject Name: Steel Making
Unit 4 Oxygen Steel making & Electric Furnace Processes
- 4.1 Oxygen Steel making LD (Basic Oxygen Furnace): 4.1.1 Design
- Construction and working of furnace. 4.1.2 Oxygen lancing and refining reactions 4.1.3 Slag-metal reactions (C, Si, Mn, P, S) 4.1.4 Process control and performance 4.1.5 Combined blowing techniques
- Oxygen Bottom Blowing Processes 4.1.6 OBM 4.1.7 Kaldo 4.1.8 New developments in oxygen steel making 4.2 Electric Furnace Processes 4.2.1 Introduction to Electric Furnaces 4.2.2 Types of electric furnaces and their advantages in steel making
- Electric Arc Furnace (EAF) 4.2.3 Construction: Main parts - electrodes
- furnace shell
- electrical equipments 4.2.4 Operational Steps 4.2.5 Raw Materials
- refining practices
- 4.2.6 Process and charge modifications 4.2.7 Use of Sponge Iron in EAF: Charging and melting of DRI
- advantages and effect on steel quality
- DC Arc Furnace (DC-EAF) 4.2.8 Principle
- operation, and comparison between AC and DC furnaces
- Induction Melting Furnace (IMF) 4.2.9 Principle of electromagnetic induction
- limitations, and applications
- comparison with EAF
- Problems based on mass balance of the process
Unit 5 Secondary Steelmaking 5.1. Introduction to Secondary Steelmaking
- Needs for improving steel quality after primary steelmaking
- Degassing processes 5.2
- Ladle Furnace (LF): Operation
- alloying, and temperature control
- role of Program Name: Diploma Engineering Level: Diploma Branch: Metallurgy Engineering Subject Code: DI05021011 Subject Name: Steel Making slag in refining. 5.3
- Vacuum Degassing and Vacuum Arc Degassing Processes: Removal of dissolved gases (H, N, O)
- Basic principles of vacuum treatment (VD, RH, DH Degassing)
- advantages in producing high-quality steel. 5.4
- AOD Process (Argon Oxygen Decarburization): Principle and operation
- role of argon–oxygen mixture
- decarburization with minimum chromium loss
- application in stainless steel production 5.5
- Injection Ladle Metallurgy Techniques: Powder and wire injection methods
- use of inert gases
- improvement in steel cleanliness and properties. 5.6
- Deoxidation and Inclusion Control: Methods of deoxidation (Al, Si, Mn)
- types of non-metallic inclusions
- techniques to control and remove inclusions
Unit 6 Casting of Steel 6.1. Ingot Casting and Solidification
- Process of ingot casting
- pouring (teeming) of molten steel
- mechanism of solidification
- formation of columnar and equiaxed grains. 6.2
- Types of Steel: Killed
- rimmed, and capped steels
- characteristics and applications. 6.3
- Ingot Defects and Remedies: Common defects - pipe formation
- blow holes
- cracks, and non-metallic inclusions
- causes and remedies for defects. 6.4
- Continuous Casting (CONCAST): Principle and working of continuous casting process
- types of caster
- comparison with ingot casting
- advantages in productivity and quality
Unit 7 Environmental Aspects and sustainable development in Steel
- making 7.1 Sources of Pollution: Air pollutants (CO2, CO, SO2, dust)
- water effluents, and solid wastes like slag and sludge generated during steelmaking. 7.2 Carbon foot prints - CO2 Emission and Its Impact: Emission from fuel combustion and carbon reactions
- Program Name: Diploma Engineering Level: Diploma Branch: Metallurgy Engineering Subject Code: DI05021011 Subject Name: Steel Making contribution to global warming and need for reduction. 7.3 Pollution Control Measures: Use of ESP, bag filters
- water treatment systems, and recycling of waste materials for sustainable steel production. 7.4 Green steel – Concept
- Comparison with conventional
- Production technologies
- Challenges 7.5 Energy conservation practices and ‘Zero waste’ concept in steel production
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