LECTURE 11.2 - PowerPoint PPT Presentation

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LECTURE 11.2
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LECTURE 11.2

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  1. LECTURE 11.2

  2. THE PROCESSING OF STEEL • The Raw Materials • Fire Setting • The Blast Furnace • The “Converter”/Basic Oxygen Furnace (BOF) • Continuous Casting • Hot-Rolling • Cold-Rolling

  3. STEEL PROCESSING FLOW CHART I

  4. RAW MATERIALS

  5. FIRE SETTING: CIRCA 1550AD

  6. THERMAL SHOCK

  7. TACONITE

  8. PRODUCTION OF COKE

  9. STEEL PROCESSING FLOW CHART II Magnetic Separation Gravity Separation

  10. THE BLAST FURNACE

  11. CHEMICAL REACTIONS IN THE BLAST FURNACE

  12. STEEL PROCESSING FLOW CHART III

  13. THE BASIC OXYGEN FURNACE (BOF)

  14. “REFRACTORIES”

  15. SOME APPROXIMATE TEMPERATURES

  16. CONTINUOUS CASTING I

  17. CONTINUOUS CASTING II

  18. A “FOUR-HIGH” ROLLING MILL

  19. HOT-ROLLING MILL

  20. HOT-ROLLING

  21. RECRYSTALLIZATION

  22. COLD-ROLLING: STRIP THICKNESS AND VELOCITY