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| 成型和焊接对高强管线钢管焊缝及热影响区冲击韧性的影响 | |
| 引用本文： | 李 丽1,杨 军2,3,牛 辉2,3,刘海璋2,3,席敏敏2,3. 成型和焊接对高强管线钢管焊缝及热影响区冲击韧性的影响[J]. 焊管, 2017, 40(12): 1-6 |
| 作者姓名： | 李 丽1 杨 军2 3 牛 辉2 3 刘海璋2 3 席敏敏2 3 |
| 作者单位： | 1. 川庆钻探工程公司安全环保质量监督检测研究院， 四川 广汉 618300；2. 国家石油天然气管材工程技术研究中心， 陕西 宝鸡 721008；3. 宝鸡石油钢管有限责任公司 钢管研究院， 陕西 宝鸡 721008 |
| 摘 要： | 为了提高高强管线钢管焊缝及热影响区冲击韧性性能，综述了高强管线钢管成型和焊接对焊缝及热影响区（HAZ）冲击韧性的影响。结果表明，提高高强管线钢管焊缝及HAZ冲击韧性的有效方法是，根据原料特性、生产要求、产品规格及性能指标等制定合理成型工艺和焊接工艺，精确控制成型合缝质量和焊接热输入，合理匹配线能量和预热温度，正确选用焊丝和焊剂。 |
| 关 键 词： | 高强管线钢 冲击韧性 成型合缝 焊接热输入 |
Influences of Molding and Welding on Toughness of High Strength PipelineSteel Weld and Heat Affected Zone |
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| LI Li1,YANG Jun2,3,NIU Hui2,3,LIU Haizhang2,3,XI Minmin2,3. Influences of Molding and Welding on Toughness of High Strength PipelineSteel Weld and Heat Affected Zone[J]. Welded Pipe and Tube, 2017, 40(12): 1-6 | |
| Authors: | LI Li1 YANG Jun2 3 NIU Hui2 3 LIU Haizhang2 3 XI Minmin2 3 |
| Affiliation: | 1. Safety, Environment, Quality Supervision and Testing Research Institute, CNPC Chuanqing Drilling Engineering Co., Ltd., Guanghan 618300, Sichuan, China； 2. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China;3. Steel Pipe Research Institute, Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China |
| Abstract: | In order to enhance toughness of high strength pipeline steel weld and heat affected zone(HAZ), the influences of molding and welding were summarized systematically. The results showed that the effective way to improve the impact toughness of high-strength pipeline steel weld and HAZ was formulating a reasonable molding process and welding process according to the raw material characteristics, production requirements, product specifications and performance index, controlling forming seam quality and welding heat input accurately, matching line energy and preheating temperature reasonably, and selecting welding wire and flux correctly. |
| Keywords: | high strength pipeline steel impact toughness forming seam welding heat input |
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