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Rolling Process Improvement for Profile Control of 960 MPa Grade High Strength Plate
Pages: 30-32
Year: Issue:  3
Journal: Wide and Heavy Plate

Keyword:  Steckel millProfile controlHigh strength plate;
Abstract: Q960 high strength steel plate of 5 mm thickness × 3 150 mm width produced by Nangang 3 500 mm Steckel Mill encounters serious buckling defect. By optimizing rolling processes such as reheating temperature,coiling tension,coiling speed,coiler furnace temperature,pass reduction,as rolled plate profile is significantly improved,un-flatness is reduced from initial 15 ~ 25 mm/ m to current 6 ~ 12 mm/ m,which provides the basis for maintaining a good profile control result after subsequent quenching and tempering.
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