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Q.

How is steel manufactured?

Tags: steel
Asked by naveen, 28 May '07 11:11 am
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Answers (5)

1.

Arcelormittal
Answered by balvinder singh, 19 Jun '07 10:51 am

 
  
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2.

Steel is made by the Bessemer, Siemens Open Hearth, basic oxygen furnace, electric arc, electric high-frequency and crucible processes. In both the Acid Bessemer and Basic Bessemer (or Thomas) processes molten pig iron is refined by blowing air through it in an egg-shaped vessel, known as a converter, of 15-25 tonnes capacity. In the Siemens process, both acid and basic, the necessary heat for melting and working the charge is supplied by oil or gas.
Both the gas and air are preheated by regenerators, two on each side of the furnace, alternatively heated by the waste gases. The regenerators are chambers filled with checker brickwork, brick and space alternating. The high nitrogen content of Bessemer steel is a disadvantage for certain cold forming applications and continental works have, in recent years, developed modified processes in which oxygen replaces air.

Steel is made by the Bessemer, Siemens Open Hearth, basic oxygen furnace, electric arc, electric high-frequency and cr ...more
Answered by Indra Datta, 28 May '07 11:19 am

 
  
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3.

Detailed info is given in book of 10TH std
Answered by lalit shelar, 28 May '07 11:18 am

 
  
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4.

Come to orange city i will take you to ISPAT
Answered by ANURADHA PATHAKJ, 28 May '07 11:16 am

 
  
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5.

For this u will have to visit some steel plant
Answered by Bharat Gupta, 28 May '07 11:13 am

 
  
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