| 改善大线能量焊接韧性的冶炼技术研究 |
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| 引用本文： | 郭桐,韦明,侯彩霞,崔红义,吕建会. 改善大线能量焊接韧性的冶炼技术研究[J]. 宽厚板, 2007, 13(2): 19-21 |
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| 作者姓名： | 郭桐 韦明 侯彩霞 崔红义 吕建会 |
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| 作者单位： | 舞阳钢铁有限责任公司;舞阳钢铁有限责任公司;舞阳钢铁有限责任公司;舞阳钢铁有限责任公司;舞阳钢铁有限责任公司 |
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| 摘 要： | 通过氧化物冶金、合理的Ti/N比、精心的工艺设计、合理的工艺路线,成功生产出345 MPa、490MPa强度级别的大线能量用钢,能够满足50~100 kJ/cm线能量的焊接。其产品已经成功应用于国家石油储备用钢12MnN iVR、西气东输用钢X70等高级用钢。
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| 关 键 词： | 氧化物冶金 Ti/N比 大线能量焊接冶炼技术 |
| 收稿时间： | 2007-02-10 |
| 修稿时间： | 2007-02-10 |
Metallurgical Technology Study on Improving Large Heat Input Welding Toughness |
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| Guo Tong,Wei Ming,Hou Caixia,Cui Hongyi,Lu Jianhui. Metallurgical Technology Study on Improving Large Heat Input Welding Toughness[J]. Wide and Heavy Plate, 2007, 13(2): 19-21 |
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| Authors: | Guo Tong Wei Ming Hou Caixia Cui Hongyi Lu Jianhui |
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| Affiliation: | Wuyang Iron and Steel Co.Ltd |
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| Abstract: | Large heat input welding steel of grade 345 MPa,490 MPa have been successfully produced by oxidemetallurgy,rational Ti/N ratio,careful process design,suitable process route,which can meet the welding require-ments for 50 ~100 kJ/cm heat input.The production have been successfully applied in producing higher class steelgrades such as 12MnNiVR for state crude oil conservation project and X70 for National Natural Gas Transmission Pro-ject from West to East. |
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| Keywords: | Oxide Metallurgy Ti/N ratio Metallurgical technology of large heat input welding |
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