The Paton Welding Journal, 2000, №11

2000 №11 (14)

2000 №11 (02)

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The Paton Welding Journal, 2000, #11, 4-10 pages

Resistance of 12KhGN2MFDRA steel welded joints to a delayed fracture

L.I. Mikhoduj, V.D. Poznyakov, A.K. Yushchenko

E.O. Paton Electric Welding Institute of the NASU 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.

Abstract
Mechanical properties and resistance of T-joints of 12KhGN2MFDRA steel (hot-rolled and heat-treated) to cold crack formation were investigated relative to manual electric arc and mechanized welding in shielding gases using solid wires which provide welds of a different type of alloying (bainitic-ferritic, ferritic-bainitic, austenitic).
Keywords: high-strength steel, hot-rolled sheets, heat treatment, mechanical properties, cold resistance, T-joints, delayed fracture, diffusive hydrogen

References

1. Mikhoduj, L.I., Poznyakov, V.D., Vasiljev, V.G. et al. (2000) Peculiarities of welding T-joints made from 12KhGN2MDRA high-strength steel. Avtomaticheskaya Svarka, 3, 6 - 11.
2. Musiyachenko, V.F., Mikhoduj, L.I. (1987) Arc welding of high-strength steels. Moscow: Mashinostroyeniye.
3. Mikhoduj, L.I., Melnik, I.S., Poznyakov, V.D. (1990) Resistance of low-alloyed welds to a delayed fracture in welding high-strength steels with a yield strength of above 600 MPa. Avtomaticheskaya Svarka, 2, 14 - 19.
4. Musiyachenko, V.F., Mikhoduj, L.I., Poznyakov, V.D. et al. (1987) Selection of materials for making fillet welds of the 13KhGMRB steel joints. Svarochnoye Proizvodstvo, 9, 29 - 31.
5. Asnis, A.E., Ivashchenko, G.A. (1985) Increase in strength of welded structures. Kyiv: Naukova Dumka.
6. Mikhoduj, L.I., Poznyakov, V.D., Zhdanov, S.L. et al. (1998) Delayed fracture of T-joints of high-strength steels. Avtomaticheskaya Svarka, 10, 14 – 17.

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Suggested Citation

L.I. Mikhoduj, V.D. Poznyakov, A.K. Yushchenko (2000) Resistance of 12KhGN2MFDRA steel welded joints to a delayed fracture. The Paton Welding J., 11, 4-10.

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