| 起重铺管船吊机S690 QL高强钢焊接 |
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| 引用本文： | 薛运洪.起重铺管船吊机S690 QL高强钢焊接[J].船海工程,2010,39(2). |
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| 作者姓名： | 薛运洪 |
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| 作者单位： | 蓬莱巨涛海洋重工工程有限公司,山东,蓬莱,265607 |
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| 摘 要： | 针对S690 QL钢板材质特点,制定出一套实用的焊接工艺以保证焊接质量。采用药心焊丝气保焊接方法,按"等强原则"选用焊接材料,对焊接热输入和道间温度严格控制,并采用焊后热处理工艺,成功应用于塔吊产品的生产焊接,高效、高质量地完成了工程施工。
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| 关 键 词： | 屈服强度 焊接工艺评定 焊后热处理 |
Welding on High Tensile Steels S690 QL of Crane Structures |
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| Authors: | XUE Yun-hong |
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| Institution: | XUE Yun-hong(Pendlai Jutao Offshore Engineering Heavy Industry Co.Ltd.Penglai Sh,ong 265607,China) |
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| Abstract: | In light of the material characteristics of the plating in S690 QL high tensile steels,a set of special and practical welding procedures was proposed to ensure the welding performance.The flux-cored shielded arc welding(FCAW) was used as welding process,proper filler metal was selected according to the equal strength principle,the heat input and inter-pass temperature were controlled strictly,and post-weld heat treatment was carried out for stress-relief,so as to complete the welding with high standard and ... |
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| Keywords: | yield strength procedure qualification record post-welding heat treatment |
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