The Effect of Mo on SCC of System “Low Alloy Steels/Nitrate Solutions”

Cao Bei; Fang Zhi; Wu Yinshun

doi:10.13374/j.issn1001-053x.1994.s1.004

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Cao Bei, Fang Zhi, Wu Yinshun. The Effect of Mo on SCC of System “Low Alloy Steels/Nitrate Solutions”[J]. Chinese Journal of Engineering, 1994, 16(S1): 17-21. doi: 10.13374/j.issn1001-053x.1994.s1.004

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Cao Bei, Fang Zhi, Wu Yinshun. The Effect of Mo on SCC of System “Low Alloy Steels/Nitrate Solutions”[J]. Chinese Journal of Engineering, 1994, 16(S1): 17-21. doi: 10.13374/j.issn1001-053x.1994.s1.004

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The Effect of Mo on SCC of System “Low Alloy Steels/Nitrate Solutions”

doi: 10.13374/j.issn1001-053x.1994.s1.004

Dept. of Surface Science and Corrosion Engineering

Received Date: 1993-10-20
Available Online: 2021-11-13

Abstract

Abstract

The effect of Mo on the susceptibility to SCC of the low alloy steels in nitrate solutions has been studied by SSRT technique on the background of the intergranular stress corrosion cracking at high temperature.The addition of Mo to the alloy steel is favorable for the transformation of ferrite to bainite and/or pearlite and the latters are more resistant to SCC than the former.The diagram of "temperature-Mo content-SCC" of the system "low alloy steels/nitrate solutions" is proposed.
- low alloy steel,
- stress corrosion cracking,
- Mo element,
- bainite