| 2025 №06 (06) |
DOI of Article 10.37434/as2025.06.07 |
2025 №06 (08) |
"Avtomatychne Zvaryuvannya" (Automatic Welding), #6, 2024, pp. 60-64
Influence of the charge composition of the flux-cored wire PP-NP-120V3KHMF on the chemical composition of welding fumes during submerged arc surfacing
I.P. Lentyugov, O.M. Bezushko, I.I. Ryabtsev, L.L. Okopnik, M.I. Lentyugov
E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: gavs04@ukr.netThe paper presents the results of the study of the chemical composition and emission level of welding fumes formed during submerged arc surfacing using flux-cored wire PP-Np-120V3KhMF(l) with a charge of master alloy produced as a result of electroslag remelting of waste from abrasive machining of high-speed steels, and using flux-cored wire PP-Np-120V3KhMF(fs) with a charge of ferroalloys. It was found that both flux-cored wires belong to 1a grade, the toxicity of the solid component of the welding fume is almost the same, while the flux-cored wire with a charge of master alloy shows better results in terms of the LVWF(A) toxicity index and the intensity of the welding fume emission. Recommendations are proposed for protecting welders and the environment from welding fumes when using the developed flux-cored wire PP-Np-120V3XMF(l). 10 Ref., 7 Tabl., 5 Fig.
Keywords: flux-cored wire, arc surfacing, master alloy, welding fume, harmful substances, emission levels, health protection,
Received: 03.10.2025
Received in revised form: 06.11.25
Accepted: 19.12.2025
References
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