Industrial Tests of Microcrystalline Complex Alkaline Earth Metal Alloys when Casting Pipe Steel

The results of studying the effect of microcrystalline complex alloys with alkaline earth metals (AEM) on the quality indicators of 17G1S-U pipe steel have been considered. It has been shown that the treatment of steel with these alloys reduces both the maximum score of non-metallic inclusions (NI)...

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Bibliographic Details
Published in:Steel in translation 2020-11, Vol.50 (11), p.795-800
Main Authors: Bakin, I. V., Shapovalov, A. N., Kuznetsov, M. S., Shaburova, N. A., Usmanov, R. G., Golubtsov, V. A., Ryabchikov, I. V., Mizin, V. G., Panov, V. N.
Format: Article
Language:English
Subjects:
Alkali metal alloys
Alkaline earth metal alloys
Barium
Casting alloys
Chemistry and Materials Science
Coordination compounds
Corrosion resistance
Corrosion resistant steels
High strength low alloy steels
Iron and steel making
Low temperature resistance
Materials Science
Nonmetallic inclusions
Oxygen content
Pipes
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Summary:The results of studying the effect of microcrystalline complex alloys with alkaline earth metals (AEM) on the quality indicators of 17G1S-U pipe steel have been considered. It has been shown that the treatment of steel with these alloys reduces both the maximum score of non-metallic inclusions (NI) and the mean level of contavmination for the main types of inclusions including corrosive-active ones (CANI). Alongside with this, fine calcium, strontium and barium oxysulfides with a reduced oxygen content are formed in the metal. The complex alloys with alkali-earth metals contribute to obtaining a more homogeneous and refined metal structure, an increase in the cold resistance and corrosion resistance of steel.
ISSN:0967-0912
1935-0988
DOI:10.3103/S0967091220110030