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The main alloying elements in high-speed steel are:
- a)Vanadium, chromium, tungsten
- b)Tungsten, chromium, titanium
- c)Tungsten, titanium, vanadium
- d)Chromium, titanium, vanadium
Correct answer is option 'A'. Can you explain this answer?
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The main alloying elements in high-speed steel are:a)Vanadium, chromi...
The composition of high-speed tools or high-speed steel (HSS) is 18% W, 4% Cr, 1% V, 0.7% C, and rest Fe. High-speed tool steels are used for the most common types of cutting tools, including single-point lathe tools, drills, reamers, taps, milling cutters, end mills, hobs, saws, and broaches.
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Properties of HSS:
- High working hardness
- High wear resistance
- Excellent toughness
- High retention of hardness and hot hardness.
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The main alloying elements in high-speed steel are:a)Vanadium, chromi...
High-Speed Steel Alloying Elements:
High-speed steel is a type of tool steel known for its high hardness, wear resistance, and ability to retain its cutting edge at elevated temperatures. The main alloying elements in high-speed steel are:
Vanadium:
- Vanadium is a key alloying element in high-speed steel as it helps in enhancing the steel's wear resistance, toughness, and strength.
- It also helps in improving the hardness and red hardness of the steel, allowing it to maintain its cutting edge at high temperatures.
Chromium:
- Chromium is another essential alloying element in high-speed steel as it contributes to the steel's hardenability and corrosion resistance.
- It also helps in improving the steel's wear resistance and strength, making it suitable for high-speed cutting applications.
Tungsten:
- Tungsten is a critical alloying element in high-speed steel as it significantly increases the steel's hardness and wear resistance.
- It also helps in improving the steel's red hardness, allowing it to maintain its cutting edge at high temperatures.
Therefore, the main alloying elements in high-speed steel are vanadium, chromium, and tungsten. These elements work together to enhance the steel's properties, making it ideal for cutting tools used in high-speed machining operations.
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The main alloying elements in high-speed steel are:a)Vanadium, chromium, tungstenb)Tungsten, chromium, titaniumc)Tungsten, titanium, vanadiumd)Chromium, titanium, vanadiumCorrect answer is option 'A'. Can you explain this answer?
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