| Q690材料应用于液压支架中的焊接工艺 |
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| 引用本文： | 马钊宁,杨杰,胡凌云.Q690材料应用于液压支架中的焊接工艺[J].煤矿机械,2011(9):100-102. |
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| 作者姓名： | 马钊宁 杨杰 胡凌云 |
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| 作者单位： | 煤炭科学研究总院太原研究院; |
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| 摘 要： | 根据对Q690材料在焊接液压支架结构件时的加工经验,通过Q690材料的特点简单介绍了Q690材料的焊接工艺。相比于其他材料,低合金钢在焊接中应注意焊前预热、焊后保温及探伤,并提出气温和天气对焊接的影响。为Q690材料的应用提供参考。
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| 关 键 词： | Q690 低合金高强度钢 氢致裂纹 预热 |
Welding Crafts of Q690 Material Used in Welding of Hydraulic Support |
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| MA Zhao-ning,YANG Jie,HU Ling-yun.Welding Crafts of Q690 Material Used in Welding of Hydraulic Support[J].Coal Mine Machinery,2011(9):100-102. |
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| Authors: | MA Zhao-ning YANG Jie HU Ling-yun |
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| Affiliation: | MA Zhao-ning,YANG Jie,HU Ling-yun(Taiyuan Institute of China Coal Research Institute,Taiyuan 030006,China) |
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| Abstract: | According to experience in the welding of hydraulic support and the eatures of Q690 material,the welding crafts of Q690 material are introduced.Low-alloy steel which compared the other materials should notice preheat before welding,heat preservation after welding,flaw detection and temperature and weather which influence the welding.Consultation about application of Q690 material is provided. |
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| Keywords: | Q690 low-alloy steel hydrogen-induced cracking preheat |
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