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The behavior of manganese in oxygen steelmaking

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Rout, Bapin Kumar, Brooks, G., Rhamdhani, M. A., Li, Zushu and van der Knoop, W. (2019) The behavior of manganese in oxygen steelmaking. In: AISTech 2018 - The Iron & Steel Technology Conference and Exposition, Pennsylvania Convention Centre, Philadelphia, PA., USA, 7-10 May 2018. Published in: 2018 AISTech Conference Proceedings

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Abstract

Manganese serves as an important alloying element in commercial grades of steel and high levels of Mn can improve the mechanical properties of steel. [1] The chemical behavior of Mn in Oxygen Steelmaking is complex because the element is readily oxidised in conditions found in steelmaking but the stability of its oxide is a strong function of temperature and slag chemistry, and the oxide can readily revert back to elemental Mn in steelmaking conditions. In many steel plants, manganese ore has been added to achieve high Mn at the end blow. This approach means that the use of relatively expensive ferromanganese (FeMn) can be reduced in the subsequent secondary steelmaking process. [1] Steel plants can also face the problem of high Mn (>1 wt pct) in the hot metal due to the use of lean iron ores with high MnO in the blast furnace, and this can cause operational issues in the steelmaking process.[2]

Item Type: Conference Item (Paper)
Subjects: T Technology > TN Mining engineering. Metallurgy
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Steel -- Metallurgy -- Oxygen processes, Manganese steel
Journal or Publication Title: 2018 AISTech Conference Proceedings
Publisher: AIST digital library
Official Date: April 2019
Dates:
DateEvent
April 2019Published
27 February 2018Accepted
Article Number: PR-374-347
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDTata Steelhttp://dx.doi.org/10.13039/501100007220
Conference Paper Type: Paper
Title of Event: AISTech 2018 - The Iron & Steel Technology Conference and Exposition
Type of Event: Conference
Location of Event: Pennsylvania Convention Centre, Philadelphia, PA., USA
Date(s) of Event: 7-10 May 2018
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