400mm厚连铸坯轧制高韧性特厚板技术开发
Steel Rolling(2013)
Abstract
通过对400mm厚连铸坯轧制160mm厚特厚板的轧制道次分配方法、厚度控制技术以及板形控制技术的研究攻关,成功开发出160mm厚Q345高韧性特厚规格产品,钢板异板差控制在±0.8mm以内,板形合格率达99.5%,-40℃冲击功为171~249J,Z向断面收缩率为31.0%~46.5%,满足了高尺寸精度、高韧性的要求。
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Key words
shape control,thickness control,rolling pass,ultra-heavy plate
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