| 21/4Cr-1Mo钢焊后产生焊接裂纹的原因分析及其返修措施 |
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| 引用本文： | 张良成,张仁刚,尹崭新,王纯洁. 21/4Cr-1Mo钢焊后产生焊接裂纹的原因分析及其返修措施[J]. 锅炉技术, 2002, 33(3): 21-25 |
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| 作者姓名： | 张良成 张仁刚 尹崭新 王纯洁 |
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| 作者单位： | 1. 上海锅炉厂有限公司,上海,200245
2. 上海希科水电设备有限公司,上海,200240 |
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| 摘 要： | 针对 2 1 /4Cr-1Mo钢焊接后产生裂纹的原因进行了分析 ,结果表明 ,产生裂纹的主要原因是氢浓度过高而引起的氢致延迟裂纹 ,并根据实际的产品特点提出了合适的返修措施
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| 关 键 词： | 21/4Cr-1Mo钢 焊接裂纹 返修 |
| 文章编号： | CN31-1508(2002)03-0021-05 |
| 修稿时间： | 2001-08-01 |
Cause Analyses and Repair Measures about Weld Crack Produced after Welding on 2 1/4 Cr-1Mo Steel |
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| ZHANG Liang-cheng,ZHANG Ren-gang,YIN Zhan-xin,WANG Chun-jie. Cause Analyses and Repair Measures about Weld Crack Produced after Welding on 2 1/4 Cr-1Mo Steel[J]. Boiler Technology, 2002, 33(3): 21-25 |
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| Authors: | ZHANG Liang-cheng ZHANG Ren-gang YIN Zhan-xin WANG Chun-jie |
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| Abstract: | The essay analyses the cause of weld crack produced after welding on 2 1/4 Cr-1Mo steel. The cause is the over high density of hydrogen, which results in producing hydrogen triggered delay crack. According to the characteristic of the product, the essay after suitable repair measures. |
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| Keywords: | Cr-1Mo steel ?welding crack ?repair |
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