Advertisement

Metal Science and Heat Treatment of Metals

, Volume 2, Issue 8, pp 457–458 | Cite as

Corrosion cracking of Cr−Ni−Mo−Cu steels in sulphuric acid solutions

  • Yu. S. Kuznetsova
  • G. L. Shvarts
Stainless Steels
  • 17 Downloads

Conclusions

  1. 1.

    Cr−Ni−Mo−Cu steels Kh18N28M3D3, Kh23N23M3D3, Kh23N28M3D3T and OKh23N28M3D3T recommended for use in sulphuric acid are prone to intercrystalline corrosion. Most susceptible to this corrosion are steel Kh18N28M3D3 and steel Kh23N23M3D3, they cannot be used for welded elements operating in sulphuric acid surroundings.

     
  2. 2.

    Welded joints of steel Kh23N28M3D3T with less than 0.06% C are immune to intercrystalline corrosion. This steel is recommended for welded elements operating in sulphuric acid solutions.

     
  3. 3.

    When the steels under study contained residual stresses, they suffered from transcrystalline corrosion cracking in 20, 30, 40 and 50 weight-% solutions at 80° C and at boiling temperature. Heating of steel Kh23N28M3D3T at 950°C followed by air cooling reduced its susceptibility to corrosion cracking under stress.

     

Keywords

Residual Stress Acid Solution Sulphuric Acid Weld Joint Sulphuric Acid Solution 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. 1.
    A. A. Babakov and E. V. Zotova, Byulleten' TsNiMChM, 1954, #2, 15.Google Scholar
  2. 2.
    N. S. Lapshin and T. I. Kunin, Zhurnal Khimicheskoi Prom., 1953, #10.Google Scholar
  3. 3.
    A. A. Babakov and E. V. Zotova, Zhurnal Khimichesko. Prom., 1957., #4.Google Scholar
  4. 4.
    I. L. Rozenfel'd, Z. A. Vrutsevich et al., Zavodskaya Lab., v 21, 1955, #8, 934–37.Google Scholar
  5. 5.
    G. V. Akimov, V. V. Andreeva et al., Symposium on Stainless Steels. (Sb. Issledovaniya po Nerzhav. Stl.) Akad. Nauk SSSR Press, 1956.Google Scholar
  6. 6.
    Yu. I. Kazennov and L. P. Kolosova, Avtomaticheskaya Svarka, v. 10, 1957, #2, 22–32.Google Scholar
  7. 7.
    G. L. Shvarts and M. M. Kristal', Corrosion of Chemical Equipment, Mashgiz Press, 1958.Google Scholar
  8. 8.
    B. L. Medovar, N. A. Langer and Yu. V. Latash, Avtomaticheskaya Svarka, vol. 10, 1957, #1, 46–50.Google Scholar

Copyright information

© Consultants Bureau 1960

Authors and Affiliations

  • Yu. S. Kuznetsova
  • G. L. Shvarts

There are no affiliations available

Personalised recommendations