Challenge of mechanical properties of an acicular ferrite pipeline steel

In modern industry, the developing tendency and prospect for productions of the oil and gas pipeline steels is to further improve the strength and toughness by advanced manufacture process of the thermo-mechanical control process (TMCP) to refine microstructure. In this work, the hot deformation beh...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2006-09, Vol.431 (1), p.41-52
Main Authors: Xiao, Fu-Ren, Liao, Bo, Shan, Yi-Yin, Qiao, Gui-Ying, Zhong, Yong, Zhang, Chunling, Yang, Ke
Format: Article
Language:English
Subjects:
Acicular ferrite
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Mechanical properties
Other heat and thermomechanical treatments
Physics
Pipeline steels
Process parameters
TMCP
Treatment of materials and its effects on microstructure and properties
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Summary:In modern industry, the developing tendency and prospect for productions of the oil and gas pipeline steels is to further improve the strength and toughness by advanced manufacture process of the thermo-mechanical control process (TMCP) to refine microstructure. In this work, the hot deformation behavior as well as its effect on the phase transformation of the clean acicular ferrite pipeline steel with simple chemical composition has been investigated. According to the result, the optimum TMCP parameters were designed. Furthermore, the rolling test was carried out on the experimental rolling mill. The results show that, the high strength and excellent toughness of the clean acicular ferrite pipeline steel can be obtained by controlling the TMCP parameters of the production process appropriately.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2006.05.029