Question
Download Solution PDFWhich of the following best describes the strength of mild steel compared to alloy steel?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Mild steel is a type of low carbon steel with carbon content between 0.05% to 0.25%, while alloy steel is mixed with elements like chromium, nickel, vanadium, etc., to improve its mechanical properties.
Comparison Table:
| Property | Mild Steel | Alloy Steel |
|---|---|---|
| Carbon Content | 0.05% - 0.25% | Up to 1.5% with other alloying elements |
| Tensile Strength | Low (400–550 MPa) | High (600–2000+ MPa) |
| Hardness | Low | High |
| Ductility | High | Moderate to Low |
| Corrosion Resistance | Poor without coating | Good (if alloyed with chromium, etc.) |
| Heat Treatability | Limited | Excellent |
| Cost | Cheaper | More expensive |
Because of the presence of alloying elements and heat treatment capabilities, alloy steel generally has higher strength than mild steel. This makes it more suitable for heavy-duty and high-performance applications such as automotive parts, pressure vessels, and aerospace components.
Last updated on Jun 16, 2025
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