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What are the impurities added while manufacturing steel?

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Asked: July 24, 20202020-07-24T20:03:50-07:00 2020-07-24T20:03:50-07:00In: Miscellaneous
DevilAVRT
DevilAVRT

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What are the impurities added while manufacturing steel?

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  1. CB Sowmya

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    CB Sowmya User
    2020-07-27T15:10:54-07:00Added an answer on July 27, 2020 at 3:10 pm

    The impurities added are as follows

    1. Carbon – To increase yield strength, ultimate strength and hardness
    2. Manganese – To increase yield strength, ultimate strength and hardness
    3. Silicon – To increase yield strength, ultimate strength and hardness
    4. Copper – To increase yield strength, ultimate strength, corrosion resistance and hardness
    5. Nickel – To increase yield strength, ultimate strength, toughness, fatigue strength and hardness
    6. Chromium – To increase yield strength, ultimate strength, toughness and hardness
    7. Molybdenum – To increase resistance against acid, to increase yield strength, ultimate strength, fatigue strength, toughness and hardness.

     

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  2. Structural Engineer

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    2020-07-27T14:44:03-07:00Added an answer on July 27, 2020 at 2:44 pm

    The three raw materials used in making pig iron (which is the raw material needed to make steel) are the processed iron ore, coke (residue left after heating coal in the absence of air, generally containing up to 90% carbon) and limestone (CaCO3) or burnt lime (CaO)

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  3. INDER KUMAR YADAV

    INDER KUMAR YADAV

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    2020-07-27T14:59:40-07:00Added an answer on July 27, 2020 at 2:59 pm

    Impurities such as manganese, chromium, nickel, tungsten, molybdenum, and vanadium to produce alloys that produce properties which have specific properties. Also, steel has some amount of carbon, which is to be removed so that if they contain a high amount of carbon, then it will make steel brittle in nature.

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  4. Tips_and_tricks

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    2020-07-27T15:11:47-07:00Added an answer on July 27, 2020 at 3:11 pm

    The major impurities added are Manganese, Nickel, Chromium, Vanadium, and Carbon. In addition to this, dissolved gases like Nitrogen and Oxygen are also added to maintain the quality of the steel.

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  5. nikeetasharma

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    nikeetasharma Guru
    2020-11-28T19:00:27-08:00Added an answer on November 28, 2020 at 7:00 pm

    In steelmaking, impurities such as nitrogen, silicon, phosphorous, sulfur and excess carbon are removed from the source iron and alloying elements such as manganese, nickel, chromium, carbon, and vanadium are added to produce different grades of steel.

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