Cleaness of the First Pipeline Steel Slab along with Casting Direction

Jian Huang; Yi Min; Cheng Jun Liu; Mao Fa Jiang

doi:10.4028/www.scientific.net/AMR.567.10

Paper Titles

Preface

Vibration Analysis and Simulation of Mast Section of Hoist
p.3

Cleaness of the First Pipeline Steel Slab along with Casting Direction
p.10

Microstructure and Properties of In Situ Fabricated Al-5wt.%Si-Al₂O₃ Composites
p.15

Mössbauer and Magnetic Property Study on Cyano-Bridged Complex [Gu(en)_x]_yM_A[Fe(CN)₆]_z·nH₂O(M_A=K⁺)
p.21

Synthesis of ZnO Nanoparticle by Solid State Reaction and its Influence on Zinc Electrode
p.25

Microstructure Evolution of Ti-9.2Mo-2Fe Alloy
p.30

A Comparative Study of SHS Synthesis of TiB₂ Cermets Powder by Magnesium Reduction and Aluminothermy Reduction
p.33

Mechanical Characterization of Ti-Mo-Fe Titanium Alloy
p.37

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 567Cleaness of the First Pipeline Steel Slab along...

Cleaness of the First Pipeline Steel Slab along with Casting Direction

Abstract:

To improve the quality controlling of pipeline steel and to avoid mis-down grade, the cleaness including content of non-metallic inclusions, total oxygen and nitrogen of the first continuous casting slags of X70 pipeline steel were investigated. Results showed that, content of total oxygen, nitrogen, large non-metallic inclusions and inclusions areal density decrease with casting length increasing gradually. But at casting length of about 5.0 m which is just during the drastic changeing period of casting speed approaching to stead casting state, the content of large non-metallic inclusions and inclusions areal density increases abruptly induced by the entrapment of mold powders. Thus, to decrease the degradation rate of pipeline slab, the increasing rate of casting speed should be adjusted more evenly.

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Periodical:

Advanced Materials Research (Volume 567)

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10-14

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.567.10

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Online since:

September 2012

Authors:

Jian Huang, Yi Min, Cheng Jun Liu, Mao Fa Jiang

Keywords:

Cleanness, Continuous Casting, Pipeline Steel, Unsteady State

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