LOW COST MAKING OF A LOW CARBON, LOW SULFUR, AND LOW NITROGEN STEEL USING CONVENTIONAL STEELMAKING EQUIPMENT
A METHOD OF MAKING A STEEL WITH LOW CARBON LESS THAN 0.035% BY WEIGHT INCLUDING STEPS OF PREPARING A HEAT OF MOLTEN STEEL COMPOSITION IN A STEELMAKING FURNACE TO A TAPPING TEMPERATURE AS DESIRED FOR DESULFURIZATION AT A VTD, TAPPING OPEN INTO A LADLE THE MOLTEN STEEL COMPOSITION WITH AN OXYGEN LEVEL...
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| creator | SOSINSKY, DAVID J MCGAUGHEY, DAVID WAYNE MURRAY, DANIEL GENE GELDENHUIS, JOCABUS MARTHINUS ANDREAS PRETORIUS, EUGENE B |
| description | A METHOD OF MAKING A STEEL WITH LOW CARBON LESS THAN 0.035% BY WEIGHT INCLUDING STEPS OF PREPARING A HEAT OF MOLTEN STEEL COMPOSITION IN A STEELMAKING FURNACE TO A TAPPING TEMPERATURE AS DESIRED FOR DESULFURIZATION AT A VTD, TAPPING OPEN INTO A LADLE THE MOLTEN STEEL COMPOSITION WITH AN OXYGEN LEVEL BETWEEN ABOUT 600 AND 1120 PPM, PROVIDING A SLAG FORMING COMPOUND TO THE LADLE TO FORM A SLAG COVER OVER THE MOLTEN STEEL COMPOSITION IN THE LADLE, TRANSPORTING THE MOLTEN STEEL COMPOSITION IN THE LADLE TO A VTD, DECARBURIZING THE MOLTEN STEEL COMPOSITION AT THE VTD BY DRAWING A VACUUM OF LESS THAN 650 MILLIBARS, AFTER DECARBURIZING, ADDING ONE OR MORE DEOXIDIZERS TO THE MOLTEN STEEL COMPOSITION AND DEOXIDIZING THE MOLTEN STEEL COMPOSITION, AFTER DEOXIDIZING, ADDING ONE OR MORE FLUX COMPOUNDS TO DESULFURIZE THE MOLTEN STEEL COMPOSITION, AND CASTING THE MOLTEN STEEL COMPOSITION TO FORM A STEEL WITH LOW CARBON LESS THAN 0.035% BY WEIGHT. |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS |
| title | LOW COST MAKING OF A LOW CARBON, LOW SULFUR, AND LOW NITROGEN STEEL USING CONVENTIONAL STEELMAKING EQUIPMENT |
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