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| BETHLEHEM
LUKENS PLATE FINELINE HISTORY |
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| Bethlehem Lukens Plate, the United
States’ oldest continuously-operated iron and steel business, remains the specialist
in plate steels. The company has more experience in the production of clean steels than
any other plate steel producer in North America, as the following chronology shows. |
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| 1957-1975 | The first electric arc furnace is installed at Bethlehem's Coatesville, Pennsylvania steelmaking facility and becomes the first plate mill to utilize electric furnace melting. The company becomes an all electric furnace steel producer with four electric arc furnaces by 1975 when it closes its last open-hearth melting furnace. | ||
| 1971 | An Electro-Slag Remelting (ESR) facility for the production of ultra-clean thick plate steels is installed. It addresses the cleanliness requirements of the nuclear and mold and die industries. | ||
| 1975 | Lukens becomes the first US steel company to receive national nuclear certification from the American Society of Mechanical Engineers (ASME). | ||
| 1977 | A Calcium Argon Blowing (CAB) facility for sulfur reduction and inclusion shape control is installed. The company introduces Fineline� with 0.01% maximum sulfur. | ||
| 1985 | Fineline� with 0.005% maximum sulfur is introduced. | ||
| 1988 | A ladle refining facility, consisting of a ladle furnace and ladle degasser, in Bethlehem's Coatesville, Pennsylvania electric melt shop. One 165-ton electric furnace is used to melt scrap and subsequent refining is performed in the ladle refining facility, improving production and quality levels from the previous four-furnace operation. | ||
| 1990 | Fineline� with 0.002% maximum sulfur is introduced. | ||
| 1992 | Fineline� with 0.001% maximum
sulfur is introduced.
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Bethlehem Lukens Plate Products If you have any questions or comments, please Contact Us �1999, Bethlehem Steel Corporation |
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