| 500 MPa汽车用Ti-Nb微合金高强度结构钢的优化和开发 |
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| 引用本文： | 殷胜,朱红丹.500 MPa汽车用Ti-Nb微合金高强度结构钢的优化和开发[J].特殊钢,2016,37(1):68-70. |
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| 作者姓名： | 殷胜 朱红丹 |
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| 作者单位： | 上海梅山钢铁股份有限公司1技术中心品种开发室;
2制造部检测中心，南京210039 |
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| 摘 要： | Ti-Nb微合金高强度钢板的生产流程为206 t顶底复吹转炉-LF-RH-230 mm铸坯-连轧成3~7mm板工艺。将原0.045Nb-0.015Ti微合金化钢优化成0.070Ti-0.015Nb微合金化钢后,其焊接性能和低温冲击性能优良,并具有良好的综合力学性能。使用结果表明,0.070Ti-0.015Nb微合金化钢与0.045Nb-0.015Ti微合金钢相同,满足加工和服役要求,但成本有明显降低。
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| 关 键 词： | Ti-Nb微合金化 汽车用高强度钢 析出强化 |
| 收稿时间： | 2015-08-03 |
Optimization and Development of 500 MPa Ti-Nb Microalloy High Strength Steel for Auto |
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| Yin Sheng,Zhu Hongdan.Optimization and Development of 500 MPa Ti-Nb Microalloy High Strength Steel for Auto[J].Special Steel,2016,37(1):68-70. |
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| Authors: | Yin Sheng Zhu Hongdan |
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| Affiliation: | 1 R&D Center；2 Testing Center of Manufacturing Department,
Shanghai Meishan Iron and Steel Co Ltd, Nanjing 210039 |
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| Abstract: | The production flowsheet for Ti-Nb Microalloy high strength steel plate is 206 t top and bottom combined blown converter-LF-RH-230 mm slab casting-rolling 3 〜7 mm plate process. Through optimizing the original 0.45 Nh- 0. 015Ti microalloy steel to 0. 070Ti-0. 015Nb microalloy steel has excellent welding and low temperature impact toughness properties and has better comprehensive mechanical properties. Service results show that the 0. 07Ti-0. 015Nb microalloy steel is identical to 0. 045Nb-0. 015Ti microalloy steel, satisfactory to requirement of process and service, while the production cost decreases obviously. |
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