| 提高低合金高强度钢Q345D低温冲击功的工艺研究 |
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| 引用本文： | 周许,王立新,胡建成,陈涛,徐玉贵. 提高低合金高强度钢Q345D低温冲击功的工艺研究[J]. 大型铸锻件, 2011, 0(1): 22-25 |
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| 作者姓名： | 周许 王立新 胡建成 陈涛 徐玉贵 |
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| 作者单位： | 中原特钢股份有限公司,河南,454685 |
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| 摘 要： | Q345D钢在生产时普遍存在低温冲击功偏低的问题,通过调整钢液化学成分,适当降低锻造加热温度及终锻温度,加强正火效果,使Q345D锻件低温冲击功完全满足技术协议要求。
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| 关 键 词： | Q345D钢 低温冲击功 氮化钛 晶粒度 |
Technical Study on Improving Low Impact Energy at Low Temperature of HSLA Steel Q345D |
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| Zhou Xu,Wang Lixin,Hu Jiancheng,Chen Tao,Xu Yugui. Technical Study on Improving Low Impact Energy at Low Temperature of HSLA Steel Q345D[J]. Heavy Casting and Forging, 2011, 0(1): 22-25 |
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| Authors: | Zhou Xu Wang Lixin Hu Jiancheng Chen Tao Xu Yugui |
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| Affiliation: | Zhou Xu,Wang Lixin,Hu Jiancheng,Chen Tao,Xu Yugui |
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| Abstract: | Q345D steel production is pervasive low-temperature impact energy,by adjusting the chemical composition of molten steel,appropriately lower forging temperature and final forging temperature,strengthen the normalizing effect,Q345D low temperature impact energy of forgings satisfying technical agreements. |
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| Keywords: | Q345D steel impact energy at low temperature TiN grain size |
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