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The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
- a)less than 0.1 percent
- b)less than 0.3 percent
- c)more than 0.3 percent
- d)anywhere between 0.1 to 1.0 percent
Correct answer is option 'C'. Can you explain this answer?
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The edge of a steel plate cut by oxygen cutting will get hardened when...
Welding is only suitable for low carbon steel as it will cause hardness problem in medium and high carbon steel.
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The edge of a steel plate cut by oxygen cutting will get hardened when...
Steel Plate Hardening by Oxygen Cutting
Oxygen cutting is a process of cutting steel plates using a jet of oxygen. The process involves the use of high-temperature oxygen to oxidize and melt the metal, resulting in a cut. However, the edge of the steel plate cut by oxygen cutting can get hardened due to the carbon content.
The carbon content in steel plays a crucial role in determining its hardness. Steel with a higher carbon content tends to be harder than steel with a lower carbon content. When the edge of a steel plate is cut by oxygen cutting, the process can lead to the formation of a hard and brittle layer due to the high temperature and oxidation. This layer is commonly known as a heat-affected zone (HAZ).
The hardness of the HAZ depends on the carbon content of the steel plate. If the carbon content is less than 0.3 percent, the edge of the steel plate cut by oxygen cutting will get hardened. However, if the carbon content is more than 0.3 percent, the HAZ will not harden significantly. Steel with a carbon content of more than 0.3 percent is already hard enough, and the oxygen cutting process does not significantly alter its hardness.
In conclusion, the carbon content of a steel plate plays a crucial role in determining the hardness of the heat-affected zone formed during oxygen cutting. Steel with a carbon content of less than 0.3 percent will experience significant hardening, while steel with a carbon content of more than 0.3 percent will not harden significantly.
Introduction
Oxygen cutting is a process of cutting steel plates using a jet of oxygen. The process involves the use of high-temperature oxygen to oxidize and melt the metal, resulting in a cut. However, the edge of the steel plate cut by oxygen cutting can get hardened due to the carbon content.
Carbon Content and Hardening
The carbon content in steel plays a crucial role in determining its hardness. Steel with a higher carbon content tends to be harder than steel with a lower carbon content. When the edge of a steel plate is cut by oxygen cutting, the process can lead to the formation of a hard and brittle layer due to the high temperature and oxidation. This layer is commonly known as a heat-affected zone (HAZ).
Carbon Content and HAZ Hardness
The hardness of the HAZ depends on the carbon content of the steel plate. If the carbon content is less than 0.3 percent, the edge of the steel plate cut by oxygen cutting will get hardened. However, if the carbon content is more than 0.3 percent, the HAZ will not harden significantly. Steel with a carbon content of more than 0.3 percent is already hard enough, and the oxygen cutting process does not significantly alter its hardness.
Conclusion
In conclusion, the carbon content of a steel plate plays a crucial role in determining the hardness of the heat-affected zone formed during oxygen cutting. Steel with a carbon content of less than 0.3 percent will experience significant hardening, while steel with a carbon content of more than 0.3 percent will not harden significantly.
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The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content isa)less than 0.1 percent b)less than 0.3 percentc)more than 0.3 percentd)anywhere between 0.1 to 1.0 percentCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content isa)less than 0.1 percent b)less than 0.3 percentc)more than 0.3 percentd)anywhere between 0.1 to 1.0 percentCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content isa)less than 0.1 percent b)less than 0.3 percentc)more than 0.3 percentd)anywhere between 0.1 to 1.0 percentCorrect answer is option 'C'. Can you explain this answer?.
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