LNG储罐用高锰钢焊接研究现状及展望
Research Status and Prospects of High Manganese Steel Welding for LNG Storage Tank
- 2025年55卷第3期 页码:28-39
收稿:2024-10-11,
修回:2024-11-25,
纸质出版:2025-03-20
DOI: 10.7512/j.issn.1001-2303.2025.03.04
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收稿:2024-10-11,
修回:2024-11-25,
纸质出版:2025-03-20
移动端阅览
随着国际液化天然气(LNG)产业的快速发展,对储运低温材料的需求日益迫切。为了平衡材料的服役性能与制造成本,含有20%~28%Mn元素的低温高锰钢引起了广泛关注。详细探讨了LNG储罐用高锰钢材料的特性、焊接过程中热裂纹的形成机理、合金元素的烧损途径以及焊接接头在低温环境的性能下降的影响因素等问题,并提出了实际焊接应用过程中的预防措施。同时,介绍了低温高锰钢常用的焊接工艺方法的应用现状及其对性能的影响规律,并探讨了新型焊接方法在低温高锰钢应用的发展趋势,以期为LNG储罐的优质焊接应用提供参考依据。
With the rapid development of the international liquefied natural gas (LNG) industry
the demand for cryogenic materials for and transportation is increasingly urgent. In order to balance the service performance and manufacturing cost of materials
high manganese steel for cryogenic temperature has attracted extensive attention. properties of high manganese steel materials for LNG storage tank
the formation mechanism of hot cracks in the welding process
the burning loss path of alloy elements
the influencing factors of the performance degradation of welded joints in the cryogenic environment were detailed discussed
and the preventive measures in the actual welding application process were proposed. the same time
the application status of common welding process methods for low temperature high manganese steel and its influence law on the performance are introduced
and the development of new welding methods in the application of low temperature high manganese steel is discussed
in order to provide a reference basis for the high-quality welding application of LNG storage tank.
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