X52管线钢焊接接头组织与性能的研究
Microstructure and Properties of X52 Pipeline Steel Welded Joint
- 2026年56卷第2期 页码:83-89
收稿:2025-09-04,
修回:2025-10-30,
纸质出版:2026-02-20
DOI: 10.7512/j.issn.1001-2303.2026.02.09
移动端阅览

浏览全部资源
扫码关注微信
收稿:2025-09-04,
修回:2025-10-30,
纸质出版:2026-02-20
移动端阅览
采用钨极氩弧焊(TIG)打底,并分别以TIG焊和CO
2
气保焊两种焊接工艺焊接X52管线钢,对比分析两种焊接工艺接头的微观组织与力学性能。结果表明,两种工艺打底层均形成细小等轴铁素体和片状珠光体;而盖面层组织有所差异:CO
2
焊因较高的热输入、较慢的冷却速率以及MG-51T焊丝中较高Mn、Si含量,促进了针状铁素体的生成,而TIG焊则因较快的冷却速率和TIG-50焊丝中Si元素的作用,会促进生成大量多边形铁素体。CO
2
焊接接头呈现出更好的抗拉强度和冲击韧性,主要原因是:针状铁素体可通过位错强化与大角度晶界阻碍裂纹扩展,从而提升冲击韧性;同时较高的热输入有助于使热影响区中的带状组织均匀化,进而提高强度。
A comparative analysis was conducted on the microstructure and mechanical properties of X52 pipeline steel welded joints produced by two processes: tungsten inert gas (TIG) welding for the root pass
and a combination of TIG welding with CO
2
gas-shielded welding for the subsequent lay
ers. The results indicate that both processes form fine equiaxed ferrite and lamellar pearlite in the root pass. In the capping layer deposited by CO
2
welding
the higher heat input
slower cooling rate
and the elevated Mn and Si content in the MG-51T welding wire promote the formation of acicular ferrite. In contrast
the TIG capping layer
due to its cooling characteristics and the presence of Si in the TIG-50 wire
facilitates the development of a large amount of polygonal ferrite. The CO
2
welded joint exhibits superior tensile strength and impact toughness
primarily attributed to the dislocation strengthening from acicular ferrite and the high-angle grain boundaries that impede crack propagation
thereby enhancing impact toughness. Additionally
the higher heat input in CO
2
welding promotes the homogenization of banded structures in the heat-affected zone
contributing to the improved strength.
胡志强 , 刘润杰 . 某X52弯管泄漏失效分析 [J]. 焊管 , 2024 , 47 ( 06 ): 54 - 61 .
HU Z Q , LIU R J . Failure Analysis of an X52 Elbow Pipe Leakage [J]. Welded Pipe and Tube , 2024 , 47 ( 06 ): 54 - 61 .
Zhao Y , Ding T , Yang S , et al . Comparison of corrosion behavior of X52 steel in liquid and supercritical CO 2 transport environments with multiple impurities [J]. Corrosion Communications , 2025 , 18 ( 02 ): 44 - 53 .
陈延清 , 杜则裕 , 许良红 . X80管线钢焊接热影响区组织和性能分析 [J]. 焊接学报 , 2010 , 31 ( 05 ): 101 - 104 .
CHEN Y Q , DU Z Y , XU L H . Analysis of Microstructure and Properties in Welded Heat-Affected Zone of X80 Pipeline Steel [J]. Transactions of the China Welding Institution , 2010 , 31 ( 05 ): 101 - 104 .
任伟 , 帅健 . 焊接方法对X90管道环焊接头断裂韧性的影响 [J]. 焊接学报 , 2024 , 45 ( 03 ): 32 - 42 .
REN W , SHUAI J . Effect of Welding Methods on Fracture Toughness of X90 Pipeline Girth Welded Joints [J]. Transactions of the China Welding Institution , 2024 , 45 ( 03 ): 32 - 42 .
刘治文 , 韩鹏彪 , 张亮 , 等 . 二次热循环对深海管线钢粗晶区组织与韧性的影响 [J]. 热加工工艺 , 2025 , 54 ( 01 ): 104 - 108 .
LIU Z W , HAN P B , ZHANG L , et al . Effect of Secondary Thermal Cycle on Microstructure and Toughness of Coarse-Grained Heat-Affected Zone in Deep-Sea Pipeline Steel [J]. Hot Working Technology , 2025 , 54 ( 01 ): 104 - 108 .
李光 , 史容睿 , 董会 , 等 . 利用热模拟技术对X100管线钢热影响区粗晶区的组织和冲击韧性的研究 [J]. 热加工工艺 , 2022 , 51 ( 19 ): 114 - 117 .
LI G , SHI R R , DONG H , et al . Investigation on Microstructure and Impact Toughness of Coarse-Grained Heat-Affected Zone in X100 Pipeline Steel Using Thermal Simulation Technology [J]. Hot Working Technology , 2022 , 51 ( 19 ): 114 - 117 .
罗海龙 , 张敏 , 慕二龙 , 等 . Cu基药芯焊丝TIG焊TA1/Q235B接头微观组织和显微硬度 [J]. 焊接学报 , 2019 , 40 ( 01 ): 141 - 146 .
LUO H L , ZHANG M , MU E L , et al . Microstructure and Microhardness of TA1/Q235B Joint by Cu-based Flux-cored Wire TIG Welding [J]. Transactions of the China Welding Institution , 2019 , 40 ( 01 ): 141 - 146 .
王和平 , 王磊 , 韩学 , 等 . X52管线钢TIG焊接接头氢脆敏感性研究 [J]. 电焊机 , 2025 , 55 ( 07 ): 97 - 105 .
WANG H P , WANG L , HAN X , et al . Hydrogen Embrittlement Susceptibility of TIG Welded Joints in X52 Pipeline Steel [J]. Electric Welding Machine , 2025 , 55 ( 07 ): 97 - 105 .
李正敏 , 牛伟乾 , 赵煜龙 , 等 . 超临界CO 2 输送环境中O 2 、SO 2 和NO 2 杂质对X52钢腐蚀行为的影响 [J]. 腐蚀与防护 , 2023 , 44 ( 12 ): 60 - 67 .
LI Z M , NIU W Q , ZHAO Y L , et al . Effects of O 2 、 SO 2 and NO 2 Impurities on Corrosion Behavior of X52 Steel in Supercritical CO 2 Transportation Environment [J]. Corrosion & Protection , 2023 , 44 ( 12 ): 60 - 67 .
陈丽娟 , 尚峰 , 樊学华 , 等 . 海外油田用X52NS/825冶金复合钢管的开发及性能研究 [J]. 钢管 , 2020 , 49 ( 01 ): 33 - 37 .
CHEN L J , SHANG F , FAN X H , et al . Development and Performance Study of X52NS/825 Metallurgical Clad Steel Pipes for Overseas Oilfields [J]. Steel Pipe , 2020 , 49 ( 01 ): 33 - 37 .
Mendoza O , Vargas B , Mendoza H . Digital Processing of Fractographic Images for Welded Joints on Microalloy Steel API5L-X52 Aged [J]. IEEE Latin America Transactions , 2013 , 11 ( 1 ): 172 - 176 .
孙宏 , 宗秋丽 , 崔明亮 . GB/T 229—2020《金属材料夏比摆锤冲击试验方法》介绍 [J]. 焊管 , 2021 , 44 ( 06 ): 55 - 60 .
SUN H , ZONG Q L , CUI M L . Introduction to GB/T 229-2020 "Metallic Materials—Charpy Pendulum Impact Test Method "[J]. Welded Pipe and Tube , 2021 , 4 ( 06 ): 55 - 60 .
孙咸 . 9%Cr钢焊接材料熔敷金属韧性研究进展 [J]. 焊管 , 2025 , 48 ( 07 ): 1 - 12 .
SUN X . Research Progress on Toughness of Deposit Metal for 9%Cr Steel Welding Materials [J]. Welded Pipe and Tube , 2025 , 48 ( 07 ): 1 - 12 .
贾瑞雪 , 姚熠莹 , 秦蕊 , 等 . 700MPa级高频电阻焊接方矩管焊缝冲击韧性偏低原因分析 [J]. 包钢科技 , 2025 , 51 ( 04 ): 40 - 43 .
JIA R X , YAO Y Y , QIN R , et al . Analysis of the Causes for Low Impact Toughness of Welds in 700 MPa Grade High-Frequency Electric Resistance Welded Square and Rectangular Tubes [J]. Science and Technology of Baotou Steel , 2025 , 51 ( 04 ): 40 - 44 .
刘洋 , 孙健 , 陆善平 . Mo含量对1000 MPa级高强钢焊缝金属组织和力学性能的影响 [J/OL]. 金属学报 , 1 - 21 [ 2026-02-09 ]. https://link.cnki.net/urlid/21.1139.TG.20250826.1617.004 https://link.cnki.net/urlid/21.1139.TG.20250826.1617.004 .
LIU Y , SUN J , LU S P . Effect of Mo Content on Microstructure and Mechanical Properties of Weld Metal in 1000 MPa Grade High-Strength Steel [J/OL]. Acta Metallurgica Sinica : 1 - 21 [ 2026-02-09 ]. https://link.cnki.net/urlid/21.1139.TG.20250826.1617.004 https://link.cnki.net/urlid/21.1139.TG.20250826.1617.004 .
熊俊珍 , 杨新岐 , 唐文珅 , 等 . 焊后热处理对X52管线钢水下摩擦塞焊接头断裂韧性的影响 [J]. 焊接 , 2021 ( 04 ): 1 - 7 .
XIONG J Z , YANG X Q , TANG W K , et al . Effect of Post-Weld Heat Treatment on Fracture Toughness of X52 Pipeline Steel Underwater Friction Plug Welded Joints [J]. Welding & Joining , 2021 ( 04 ): 1 - 7 .
李硕 , 李永春 , 易斐宁 , 等 . X52管线钢焊缝金属裂纹分析 [J]. 石油工程建设 , 2022 , 48 ( 04 ): 90 - 92 .
LI S , LI Y C , YI F N , et al . Analysis of Weld Metal Cracks in X52 Pipeline Steel [J]. Petroleum Engineering Construction , 2022 , 48 ( 04 ): 90 - 92 .
相关作者
相关机构
公网安备11010802024621