Mechanical Engineering Exam > Mechanical Engineering Questions > Which of the following are true for high carb...
Start Learning for Free
Which of the following are true for high carbon steels?
- a)Carbon content=0.4%
- b)Respond readily to heat treatments
- c)Have much ductility as compared to low and medium carbon steels
- d)Easy to weld
Correct answer is option 'B'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
Which of the following are true for high carbon steels?a)Carbon conten...
Explanation: High carbon steel have carbon % >0.5 and hence have less ductility. They are difficult to weld.
Most Upvoted Answer
Which of the following are true for high carbon steels?a)Carbon conten...
High Carbon Steels: Respond readily to heat treatments
High carbon steels typically have a carbon content ranging from 0.6% to 1.5%, making them harder and stronger compared to low and medium carbon steels. Here is why high carbon steels respond readily to heat treatments:
- Carbon Content: High carbon steels have a carbon content above 0.5%, with some grades reaching up to 2%. This high carbon content enables the steel to respond well to heat treatments such as quenching and tempering.
- Heat Treatments: Due to their high carbon content, these steels can be hardened through heat treatment processes. When heated to critical temperatures and then rapidly cooled, high carbon steels can achieve high hardness and wear resistance.
- Ductility: High carbon steels are known for their low ductility compared to low and medium carbon steels. The high carbon content makes them more brittle, which can lead to issues like cracking during welding and forming processes.
- Welding: Welding high carbon steels can be challenging due to their high carbon content, which can result in cracking if not done properly. Preheating and post-weld heat treatments are often necessary to reduce the risk of cracking.
In conclusion, high carbon steels are primarily known for their ability to respond readily to heat treatments, allowing for the customization of their mechanical properties to suit specific applications. However, their lower ductility and welding challenges should be considered when working with these materials.
High carbon steels typically have a carbon content ranging from 0.6% to 1.5%, making them harder and stronger compared to low and medium carbon steels. Here is why high carbon steels respond readily to heat treatments:
- Carbon Content: High carbon steels have a carbon content above 0.5%, with some grades reaching up to 2%. This high carbon content enables the steel to respond well to heat treatments such as quenching and tempering.
- Heat Treatments: Due to their high carbon content, these steels can be hardened through heat treatment processes. When heated to critical temperatures and then rapidly cooled, high carbon steels can achieve high hardness and wear resistance.
- Ductility: High carbon steels are known for their low ductility compared to low and medium carbon steels. The high carbon content makes them more brittle, which can lead to issues like cracking during welding and forming processes.
- Welding: Welding high carbon steels can be challenging due to their high carbon content, which can result in cracking if not done properly. Preheating and post-weld heat treatments are often necessary to reduce the risk of cracking.
In conclusion, high carbon steels are primarily known for their ability to respond readily to heat treatments, allowing for the customization of their mechanical properties to suit specific applications. However, their lower ductility and welding challenges should be considered when working with these materials.
Attention Mechanical Engineering Students!
To make sure you are not studying endlessly, EduRev has designed Mechanical Engineering study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Mechanical Engineering.
|
Explore Courses for Mechanical Engineering exam
|
|
Top Courses for Mechanical EngineeringView all
Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer?
Question Description
Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer?.
Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering.
Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free.
Here you can find the meaning of Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which of the following are true for high carbon steels?a)Carbon content=0.4%b)Respond readily to heat treatmentsc)Have much ductility as compared to low and medium carbon steelsd)Easy to weldCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
|
|
Explore Courses for Mechanical Engineering exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup