| 道间温度对316L奥氏体不锈钢管焊缝性能的影响 |
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| 引用本文： | 张西雷,薛慧,王强.道间温度对316L奥氏体不锈钢管焊缝性能的影响[J].焊管,2017,40(3):10-13. |
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| 作者姓名： | 张西雷 薛慧 王强 |
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| 作者单位： | 中国石油天然气管道第二工程有限公司， 江苏 徐州 221006 |
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| 摘 要： | 为了研究道间温度对316L奥氏体不锈钢焊缝性能的影响，采用手工钨极氩弧焊方法对不同道间温度的焊接接头进行焊接，并对不同道间温度下的接头力学性能和晶间腐蚀性能进行了研究和比较，发现对晶间腐蚀试验不做要求时，316L不锈钢焊接的道间温度不超过150 ℃便可确保焊接接头的力学性能满足质量要求；要求进行晶间腐蚀试验时，应严格控制道间温度不超过80 ℃，否则极易发生晶间腐蚀开裂。
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| 关 键 词： | 316L 奥氏体不锈钢 手工钨极氩弧焊 道间温度 晶间腐蚀 |
Influence of Interpass Temperature on 316L Austenite Stainless Steel Weld Performance |
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| ZHANG Xilei,XUE Hui,WANG Qiang.Influence of Interpass Temperature on 316L Austenite Stainless Steel Weld Performance[J].Welded Pipe and Tube,2017,40(3):10-13. |
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| Authors: | ZHANG Xilei XUE Hui WANG Qiang |
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| Affiliation: | The No.2 Pipeline Construction Limited Company of China National Petroleum Corporation,?Xuzhou 221006, Jiangsu, China |
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| Abstract: | In order to research the influence of interpass temperature on 316L austenite stainless steel weld performance, adopting the manual tungsten argon arc welding method to weld welded joint with different interpass temperature, studied the mechanical properties of welded joint and intercrystalline corrosiveness under different interpass temperature. The results indicated that the best interpass temperature for welding 316L austenite stainless steel: it should lower than 150 ℃ if intergranular corrosion wasn't been required; it should lower than 80 ℃ if intergranular corrosion was been required;otherwise the intergranular corrosion cracking easily happened. |
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| Keywords: | 316L austenite stainless steel manual gas tungsten arc welding interpass temperature intergranular corrosion |
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