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Engineering Exams RRB-JE CS (Chemical Supervisor - Research) Technical Abilities 2025 22.04.25 Paper-2 Shift-1 Medium +1 -0.33
Which of the following is NOT a typical application for high carbon steel?
Correct Answer: D. Structural beams
Explanation: Structural beams are generally not a typical application for high carbon steel. While high carbon steel possesses exceptional strength, hardness, and wear resistance, these qualities also make it significantly more brittle and difficult to weld compared to other variants. Because structural components in construction require high ductility to absorb stress and must be easily weldable for assembly, they are primarily manufactured from low carbon steel or mild steel. In contrast, the high carbon variety is better suited for specialized items that must maintain a sharp edge or withstand repetitive tension, such as knives, cutting tools, and springs.
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