Analysis of unqualified yield strength of steel plants for the pole of generators and its countermeasures

In order to analyze the yield strength unqualified courses of DEL400 cold rolled pole steel, the chemical composition and the microstructure of the qualified samples were compared to those of the unqualified. As the result of the comparison, the main courses for the unqualified yield strength were d...

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Bibliographic Details
Published inWugang jishu - WISCO Technology Vol. 53; no. 5; p. 28
Main Authors Yang, Hongwu, Song, Yifeng, Tu, Yuanqiang
Format Journal Article
LanguageEnglish
Published 01.01.2015
Subjects
Chemical composition
Countermeasures
Iron and steel plants
Microstructure
Poles
Steels
Yield strength
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Summary:In order to analyze the yield strength unqualified courses of DEL400 cold rolled pole steel, the chemical composition and the microstructure of the qualified samples were compared to those of the unqualified. As the result of the comparison, the main courses for the unqualified yield strength were due to the mixing casting of the steels with different chemical composition, which led the alloy content in the transition slab was low and the yield strength was not up to standard. The relevant countermeasures were introduced.
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SourceType-Scholarly Journals-1
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ISSN:1008-4371