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Study on Surface Cracks of AH32 Grade Hull Plate Due to Low Ti/N Ratio
Pages: 10-12
Year: Issue:  3
Journal: Wide and Heavy Plate

Keyword:  Ti/N ratioSurface cracksHot chargingHot deliveringHull plate;
Abstract: Based on the instance of typical surface cracks of AH32 grade hull plate,Jigang arrives at a conclusion that low Ti/ N ratio is the cause of surface cracks on hull plate rolled from hot charged slab by utilizing comparison anal-ysis method. After taking a series of assurance measures from the aspects of LF refining,continuous casting and slab re-heating processes,Jigang significantly improves the surface cracks of AH32 hull plate.
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