| 输气管线用X70钢焊接工艺研究 |
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| 引用本文： | 张玉芝,谭永东,吕向阳.输气管线用X70钢焊接工艺研究[J].管道技术与设备,2005(2):21-22. |
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| 作者姓名： | 张玉芝 谭永东 吕向阳 |
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| 作者单位： | 中国石油天然气集团公司管道焊接培训中心,河北,廊坊,065000 |
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| 摘 要： | 针对X70管线钢进行了焊接性分析,确定其预热温度。通过合理的接头设计,恰当的焊接工艺参数,来控制焊接热输入,确保接头的性能,并依据API110 4标准对所制定的焊接工艺进行评定,取得了满意的效果。通过此工艺施工的焊接接头具有较高的安全性。
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| 关 键 词： | 焊丝 预热 下向焊 |
| 文章编号： | 1004-9614(2005)02-0021-02 |
| 修稿时间： | 2004年9月16日 |
Study on Welding Technology of X70 Steel Used for Natural Gas Pipeline |
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| ZHANG Yu-zhi,TAN Yong-dong,LU Xiang-yang.Study on Welding Technology of X70 Steel Used for Natural Gas Pipeline[J].Pipeline Technique and Equipment,2005(2):21-22. |
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| Authors: | ZHANG Yu-zhi TAN Yong-dong LU Xiang-yang |
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| Abstract: | Analyzed the weldabilit y of X70 pipeline steel,determined the p re-heating temperature to prevent delaye d crack,assured the capability of weldin g joint through choosing excellent joint design and welding parameters.Then,made the visual examination and x-ray test a nd destructive test according to API1104 standard after finishing welding,every item results meet the requirements of th e relevant standards.The welding Joints are very safe. |
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| Keywords: | Welding Wire Pre-heati ng Down Hill Welding |
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