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Welding of high-alloyed porous steel Kh17N2

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    High-alloyed porous steel can be welded by means of argon-arc welding, using infusible electrodes, and by means of arc welding in carbon dioxide, using fusible electrodes. Argon-arc welding of steel with a porosity exceeding 30–35% must be performed with an addition. Automatic or semiautomatic welding can be used in dependence on the configuration of the joints and the number of articles to be produced.

  2. 2.

    Austenite wire which secures an austenite-ferrite or a ferrite-austenite (nor more than 60% ferrite) microstructure in the seam metal (standard Sv-08Kh20N9G7T, Sv-08Kh20N10G6, Sv-10Kh20N15, or Sv-06Khl9N9T wire) can be used as the additional material in argon-arc welding and welding in carbon dioxide of porous ferrite and martensite steels.

  3. 3.

    The mechanical properties and the intercrystallite corrosion resistance of welded joints of porous steel Kh17N2 are satisfactory. High-temperature annealing (1200°C, 1 h) in a hydrogen medium with subsequent normalization promotes the reduction of oxide films and improves the intercrystallite corrosion resistance of the metal in the zone near the seam in welded joints.

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Literature cited

  1. R. A. Andrievskii, Stainless-Steel Filters and Porous Parts [in Russian] Izd. VINITI, (1963).

  2. Y. Campbell, Mater. and Methods,41, 4, 98, (1955).

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  3. D. Oliver and others, Symposium on Powder Metallurgy, Spec. Rep. N 58, London, (1956), p. 180.

  4. L. Ya. Gurvich and K. A. Khvoshchevskaya, Coll.: Corrosion and Metal Protection [in Russian] Oborongiz, Moscow,74, (1957).

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Authors and Affiliations

  1. Academy of Sciences, E. O. Paton Institute of Electric Welding of the Order of the Red Banner of Labor, Ukr. SSR

    N. I. Kakhovskii, A. M. Ponizovtsev, R. A. Andrievskii & S. M. Solonin

  2. Institute of Problems in the Science of Materials, Academy of Sciences, Ukr. SSR

    N. I. Kakhovskii, A. M. Ponizovtsev, R. A. Andrievskii & S. M. Solonin

Authors
  1. N. I. Kakhovskii
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  2. A. M. Ponizovtsev
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  3. R. A. Andrievskii
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  4. S. M. Solonin
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Kakhovskii, N.I., Ponizovtsev, A.M., Andrievskii, R.A. et al. Welding of high-alloyed porous steel Kh17N2. Powder Metall Met Ceram 3, 337–341 (1964). https://doi.org/10.1007/BF00774181

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  • DOI: https://doi.org/10.1007/BF00774181

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