| 一种建筑用高性能耐火耐候钢的焊接试验 |
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| 引用本文： | 李世红,田璐,牛全峰. 一种建筑用高性能耐火耐候钢的焊接试验[J]. 焊管, 2011, 34(12): 55-57. DOI: 1001-3938（2011）12-0055-03 |
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| 作者姓名： | 李世红 田璐 牛全峰 |
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| 作者单位： | （恩施职业技术学院 电气与机械工程系，湖北 恩施 445000） |
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| 摘 要： | 针对具有优异强韧性及耐火耐候性能的建筑用WGJ510C2钢，进行了气体保护焊焊接评定试验研究，内容包括熔敷金属试验、接头常规力学性能试验、高温拉伸性能试验及微观组织分析。结果表明，焊接接头常温和高温拉伸强度均满足WGJ510C2钢技术条件要求，焊接接头低温冲击功有较大的富余量。因此，采用气体保护焊焊接方法及NHG-1焊丝匹配WGJ510C2钢，焊接接头综合性能指标完全满足高层建筑用钢焊接技术要求。
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| 关 键 词： | 建筑用钢 耐火耐候钢 气体保护焊 焊接性 |
Welding Test for High Performance Fire and Weathering Resistant Steel Used for Building |
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| LI Shi-hong , TIAN Lu , NIU Quan-feng. Welding Test for High Performance Fire and Weathering Resistant Steel Used for Building[J]. Welded Pipe and Tube, 2011, 34(12): 55-57. DOI: 1001-3938（2011）12-0055-03 |
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| Authors: | LI Shi-hong TIAN Lu NIU Quan-feng |
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| Affiliation: | （ Electrical and Mechanical Engineering Dept.， Enshi Technical College， Enshi 445000， Hubei， China） |
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| Abstract: | The welding assessment test research of gas shielded was conducted,for WGJ510C2 steel with high toughness,fire and weathering resistant used for building.The tests included deposited metal test,routine mechanical properties test of welded joint,tensile performance test at high temperature and microstructure analysis.The results showed that the tensile property at room temperature and high temperature both can meet the welding requirements of WGJ510C2 steel,and the impact energy value of welded joint is surplus at low temperature.Therefore,adopting gas shielded welding method and NHG-1 wire to match with WGJ510C2 steel,the comprehensive properties of welded joint can completely satisfy the welding requirements of the steel used for high-rise building. |
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| Keywords: | construction steel fire and weathering resistant steel gas shielded welding weldability |
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