| JCO埋弧焊外防腐涂装钢管焊缝余高的控制 |
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| 引用本文： | 尚才众,王昕军,贾云刚,吴建国,杨森民,郭建,郑丽华,许晓明. JCO埋弧焊外防腐涂装钢管焊缝余高的控制[J]. 焊管, 2016, 39(12): 59-64. DOI: 10.19291/j.cnki.1001-3938.2016.12.014 |
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| 作者姓名： | 尚才众 王昕军 贾云刚 吴建国 杨森民 郭建 郑丽华 许晓明 |
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| 作者单位： | （河北海乾威钢管有限公司， 河北 沧州 061300） |
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| 摘 要： | 为了控制壁厚小于10 mm 的JCO双面三丝埋弧焊外防腐涂装钢管焊缝余高，提高其焊接质量，降低钢管的焊接成本和后续防腐涂装成本，结合钢管防腐涂装的工艺特性，通过调整焊接工艺中的焊丝规格、坡口形式、电源极性和能量等参数，将焊缝余高控制在1.0 mm左右，9.53 mm壁厚JCO双面三丝埋弧焊外防腐涂装钢管无需经过机械磨削，就可满足3PE外防腐的涂敷要求，其钢管质量提高，成本降低。
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| 关 键 词： | 焊缝 余高 熔敷率 焊趾 |
Weld Reinforcement Control Technology of JCO Submerged Arc Welding Outer Corrosion Resistance Coating Steel Pipe |
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| SHANG Caizhong,WANG Xinjun,JIA Yungang,WU Jianguo,YANG Senmin,GUO Jian,ZHENG Lihua,XU Xiaoming. Weld Reinforcement Control Technology of JCO Submerged Arc Welding Outer Corrosion Resistance Coating Steel Pipe[J]. Welded Pipe and Tube, 2016, 39(12): 59-64. DOI: 10.19291/j.cnki.1001-3938.2016.12.014 |
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| Authors: | SHANG Caizhong WANG Xinjun JIA Yungang WU Jianguo YANG Senmin GUO Jian ZHENG Lihua XU Xiaoming |
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| Affiliation: | （Hebei Haiqianwei Steel Pipe Co.， Ltd.，Cangzhou 061300， Hebei， China） |
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| Abstract: | In order to control the weld reinforcement of JCO double-side three wire submerged arc welding outer corrosion resistance coating steel pipe (wall thickness not more than 10 mm), increase welding quality, reduce welding cost and the subsequent anticorrosion coating cost, combined with the process characteristics of steel pipe coating, through adjusting some parameters, such as welding wire specification, groove type, power supply polarity, energy and so on, the weld reinforcement was controlled around 1.0 mm. The JCO double-side three wire submerged arc welding 9.53 mm outer anticorrosion coating steel pipe can meet the coating requirements of 3PE without mechanical grinding, the quality of steel pipe was improved, and the cost was reduced. |
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| Keywords: | weld reinforcement deposition rate welding toe |
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