Automatic Welding, 2021, №11

2021 №11 (02)

DOI of Article
10.37434/as2021.11.03

2021 №11 (04)

Avtomaticheskaya Svarka (Automatic Welding), #11, 2021, pp. 15-20

Investigations of the quality of welded joints of pipes from steel of ASTM A106/API 5L grade, using magnetically impelled arc butt welding

V.S. Kachinskyi¹, Yupiter HP Manurung²

¹.O. Paton Electric Welding Institute of the NAS of Ukraine. 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua
²Smart Manufacturing Research Institute (SMRI) and School of Mechanical Engineering, UiTM Shah Alam, Malaysia

Magnetically-impelled arc butt welding (MIAB) is a welding process applied for joining pipes with an external magnetic field, which influences the arc displacement in a narrow gap between the pipe end faces. This welding process consists of a complex interaction between the electric arc, external magnetic field and upset value. In this work, investigations were performed on MIAB welding of seamless pipes from carbon steel of ASTM A106/API 5L grade, which is used in electric power plants, boilers, petrochemical plants, petroleum processing plants and ships, where the pipeline should transport liquids and gases under high pressure and temperature. The experimental procedure includes a range of tests for development and assessment of the knowledge base on MIAB welding of seamless pipes. Then mechanical testing of MIAB welded joints of ASTM A106/API 5L sample to assess its strength and weld integrity in keeping with API 1104 standard. In addition to investigations, a conceptual specification of MIAB welding procedure and protocol of welding procedure qualification for welding pipes and their further application were developed and presented. The experimental results emphasized that the MIAB welded joints demonstrate the high strength and good integrity of the weld on the level of the pipe base metal. Thus, MIAB welding can be regarded as the future fast and cost-effective welding process without expensive use of filler materials and shielding gas. 15 Ref., 5 Tabl., 10 Fig.
Keywords: press welding, magnetically-impelled arc, seamless pipes, carbon steel, welded joints, mechanical properties

Received: 21.09.2021

References

1. Ganovski, FJ (1974) The magnetarc welding process. Welding and Metal Fabrication, 206-213.
2. Kachinskiy, V. (2012) Magnetically-impelled arc butt welding for manufacture of hollow parts of mass production. Welding Technology Journal Japan, 60
3. Kuchuk-Yatsenko, S.I., Ignatenko, V.Yu., Kachinskiy, V.S. (1998) Investigation of the quality of joints of pipes from heatresistant and hardening steels made by pressure welding with arc heating controlled by a magnetic field. Automatic Welding, 6.
4. Kachinskiy, V.S., Krivenko, V.G., Ignatenko, V.Yu. (2002) Magnetically impelled arc butt welding of hollow and solid parts. International Institute of Welding, III-1208-02. Welding in the world, 46, 7/8. https://doi.org/10.1007/BF03263390
5. Dahia, A., Muhd, F., Norridzwan, N., Yupiter, HPM (2018) Parameters identification for weld quality, strength and fatigue life enhancement on HSLA (S460G2+M) using Manual GMAW followed by HFMI/PIT. Journal of Mechanical Engineering, SI 5 (4), 205-222.
6. Taneko, A., Fumiho, A., Kenji, T., (1986)Analysis of arc rotation velocity in magnetically impelled arc butt welding. Welding International Journal, 4, 247-253. https://doi.org/10.1080/09507118709452125
7. Leigh, F., Cec, S., Gabriel, S. (2003) MIAB welding: breakthrough technology for high productivity field welding of pipelines. APIA National Convention Pipelines - Yesterday, Today and Tomorrow Convened by the Australian Pipeline Industry Association.
8. Kachinskiy, V.S., Kuchuk-Yatsenko, S.I., Ignatenko, V.Yu., Koval, MP. (2010) Magnetically-impelled arc butt welding of pipes of steel X70. Australasion welding journal, Volume. 55, Second Quarter.
9. Edson, D.A. (1982) Magnetically impelled arc faying surfaces welding of thick wall tubes. International Institute of Welding, IM-726-82.
10. Kachinskiy, V.S., Kuchuk-Yatsenko, S.I., Ignatenko, V.Yu. (2010) Magnetically-impelled arc butt welding of automobile parts. Australasion welding journal. Vol. 55, Second Quarter.
11. Hiller, F., Schmidt, M., Breiksch, J. (2003) Use of the magnetarc welding process in the production of truck cab suspension systems. ThyssenKrupp Techforum, 40-43.
12. Jenicek, Cramer, Bush, H. (2005) Weld on aluminium materi-als: A further development for joining of small hollow bodies using a magnetically impelled arc. Welding and Cutting, 4, 10-14.
13. Mori, S,., Yasuda, K. (1990) Magnetically impelled arc butt welding of aluminum pipes. Trans Japan Weld Society, 21, 3-10. https://doi.org/10.1080/09507118909449057
14. API STANDARD 1104 (2013) Welding of pipelines and related facilities. American Petroleum Institute.
15. Cvetkovski, S., Slavkov, D., Magdeski, J. (2003) Welding procedure specification for arc welding of St 52-3N steel plates with covered electrodes. Proceeding of 3rd BMC, 152-160.