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发表于 2010-11-8 14:54:58
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本帖最后由 渤海管件 于 2010-11-8 14:58 编辑
30Mn2焊管淬火焊缝在线热处理工艺的选择
曹雷
(天津联众钢管有限公司 天津301606)
摘要:本文通过30Mn2在线生产的工艺实践,介绍了在线焊缝热处理的重要性。试验前首先对材料做了相关分析,考究热处理工艺温度,用夏比冲击和金相分析为依据分析,为焊管整体调质奠定了坚实的基础,排除了钢管整体淬火焊缝机械性能不稳定的隐患。
关键词:30Mn2、焊管、焊接、热处理、温度、质量、影响。
30Mn2 weld line pipe hardening heat treatment process selection
Caolei
(Tianjin United Steel Pipe Co., Ltd. Tianjin 301606)
Abstract: This paper production processthrough30Mn2onlinepractice, describes the importance of online weld heat treatment. Tests done before the first correlation analysis of materials, sophisticated heat treatment temperature, with the Charpy impact based analysis and metallographic analysis, the overall tone for the pipe laying a solid foundation for quality, eliminating the mechanical properties of steel welds the overall instability of quenching pitfalls.
Key words: HFW, welded pipe, welding, heat treatment, temperature, quality, impact.Key words: 30Mn2, welded pipe, welding, heat treatment,temperature, quality, impact. |
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