The Basic Processes in Steel Manufacturing - PowerPoint PPT Presentation

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The Basic Processes in Steel Manufacturing


Learn how steel is manufactured and how it differs from other metals. Listed below are some of the most important steps in Steel Manufacturing. If you have any questions, don't hesitate to ask! – PowerPoint PPT presentation

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Title: The Basic Processes in Steel Manufacturing

The Basic Processes in Steel Manufacturing

  • Learn about the basic processes used in Steel
    Manufacturing. From basic oxygen furnaces to
    electric arc furnaces, learn about the importance
    of recycling materials in the production of
    steel. After you've learned about the basics,
    read on to learn more about the Electric arc
    furnace and the Mechanical cutting processes.
  • Learn how steel is manufactured and how it
    differs from other metals. Listed below are some
    of the most important steps in Steel
    Manufacturing. If you have any questions, don't
    hesitate to ask!

Basic Oxygen Furnace Process
  • The basic oxygen furnace is the leading
    Manufacturing Steel technology. More than half of
    all steel in the world is made using this
    process. It uses carbon and pig iron to create
    steel and combines them with pure oxygen. A slag
    that's blown into the melt helps remove
    impurities that would otherwise remain in the
    finished steel. In addition to the oxygen blown
    into the melt, this process produces low-carbon
  • The basic oxygen furnace has a three-part
    structure a barrel-shaped vessel, a top-blown
    burner, and a bottom-blown one. A top-blown basic
    oxygen furnace has a water-cooled oxygen source
    and is typically equipped with a refractory
    lining. The pressure of the oxygen is usually
    between 150 and 200 psi, with an average lifetime
    of about 400 heats for a refractory lance.

Electric arc Furnace Process
  • The electric arc furnace (EAF) is a
    high-temperature, continuous-process heating and
    reducing process used in the steelmaking
    industry. The process is also used for the
    production of ferroalloys and non-ferrous alloys.
  • As the temperature of the furnace rises, the
    electrode tips erode and the body of the
    electrode oxidizes. New electrodes are added to
    the electrode strings, and they are consumed at a
    rate of about three to six kilograms per ton of
    steel produced.

  • The Electric Arc Furnace Process is a high-tech
    steelmaking process that uses direct reduced iron
    as its primary charge material. For this process
    to work, scrap steel must be relatively
    inexpensive and of good quality. In addition to
    scrap steel, high-quality steel must have a
    minimum residual content of 0.2 percent.
  • Since scrap is mostly composed of metal, it does
    not oxidize during the steelmaking process.
    However, some shops supplement their scrap
    charges with direct reduced iron or cold
    blast-furnace iron. These auxiliary charges,
    which contain higher carbon content, make the
    electric arc process less attractive.

Mechanical Cutting
  • While most manufacturers can cut most types of
    steel by mechanical cutting, there are some
    differences between traditional and mechanical
    cutting. Compared to thermal techniques,
    mechanical cutting is relatively accurate and
    inexpensive, but it is not appropriate for all
    kinds of materials. Metals prone to melting are
    easier to cut by mechanical methods.
  • Similarly, thicker materials are not always
    easily cut by mechanical cutting, and it is more
    difficult to produce high-quality cuts on thick
    materials. Moreover, waterbed cutting offers
    advantages in noise and fume reduction.

  • Laser cutting is also an option. It provides
    cutting to the material and a finishing touch to
    it, while mechanical cutting often involves
    post-machining treatments to ensure that the
    pieces are free of burrs.
  • Another benefit of using laser cutting is that it
    produces smaller heat-affected zones, which
    reduces the risk of deformation and wear. In
    addition, laser cutting has parts with high
    accuracy. If you're looking for a high-quality
    component, laser cutting is the way to go.

Recycled Materials used in Steel Production
  • Recycling steel has several social and
    environmental benefits. Recycled steel creates
    jobs around the world and reduces the country's
    dependence on foreign steel. This industry
    employs thousands of people worldwide and helps
    keep the United States steel prices low by
    eliminating the need to import steel from abroad.
  • Some people are skeptical about the benefits of
    recycling, as they believe that it costs more
    than buying new products. However, recycling
    saves the environment and helps consumers save
    money on the price of steel.

  • While the benefits of recycling steel are
    numerous, the process is costly. While steel is
    one of the most recyclable materials in the
    world, it is not without environmental and
    financial costs. Moreover, steel can be recycled
    multiple times.
  • Stainless steel, the most commonly used steel,
    does not contain iron and is highly magnetized.
    The majority of steel used in the production of
    consumer products is recycled. In addition, steel
    is also used to make machinery, bridges, and
    other goods.

Employment Trends in the Industry
  • While employment in the steel industry has
    decreased over the past three years, the figures
    show signs of improvement. According to Oxford
    Economics, about 6.1 million people are employed
    in the industry, while another 13 million work in
    the supply chain.
  • As a result, the industry employs a large and
    skilled workforce and offers many opportunities
    for further education and training. Such
    education and training help improve the quality
    of work and employee satisfaction. To ensure a
    future in the Steel Services, the industry should
    promote employee education and training.

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