28. Steel: Classification and Properties
The chapter covers the classification, manufacturing processes, properties, corrosion behavior, mechanical testing, and applications of steel and aluminum in civil engineering. It highlights the importance of both metals in construction and their different applications based on their unique properties. Additionally, it discusses the modern advancements in steel and aluminum production towards sustainability and efficiency, including the development of green steel and recycled aluminum.
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Sections
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2.1.A.3Output
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2.1.B.1Raw Materials
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2.1.B.2Process
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6.1Corrosion Of Steel
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6.2Corrosion Of Aluminum
What we have learnt
- Steel is classified based on carbon content, alloying elements, manufacturing methods, and microstructure.
- Aluminum is prized for its lightweight and corrosion-resistant properties, with various alloys designed for specific applications.
- Understanding corrosion mechanisms is essential for selecting materials and ensuring the longevity of structures.
Key Concepts
- -- Steel
- An alloy mainly composed of iron and carbon, varying in composition and properties to suit different applications.
- -- Aluminum
- A lightweight, corrosion-resistant metal used extensively in construction and manufacturing, available in pure and alloyed forms.
- -- Corrosion
- The degradation of metals due to environmental conditions, significantly affecting the longevity and safety of structures.
- -- Mechanical Testing
- Processes used to evaluate the strength, ductility, and hardness of materials to ensure they meet safety and performance standards.
- -- Green Steel
- Steel produced using renewable energy sources to reduce carbon emissions and environmental impact.
Additional Learning Materials
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