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Effects of Mn and Cu on descaling of hot-rolled 304L stainless steel in HCl and H2O2 mixtures

  • Anchaleeporn Waritswat Lothongkum

    Prof. Dr. Anchaleeporn Waritswat Lothongkum, D. Eng. (Kyoto University), born in 1961, is a professor of the Department of Chemical Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand. She is the former President of Thai Institute of Chemical Engineering and Applied Chemistry (TIChE) from 2013 to 2017, and the former Chairperson of Chemical Engineering and Petrochemicals, Engineering Institute of Thailand under H.M. the King’s Patronage from 2014 to 2019. Her areas of expertise are chemical engineering, separation engineering, catalysis and safety engineering.

     EMAIL logo     , Boonyapa Benjamalai

    Boonyapa Benjamalai, born in 1994, is a master student at the Department of Chemical Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok, Thailand. She received her Bachelor of Engineering in Petrochemical Engineering from KMITL in 2017. She joined the summer training at the National Metal and Materials Technology Center for 2 months, and practiced a corrosion program with Global Green Chemicals Public Company Limited for 1 month.

         , Nichit Hongbin

    Nichit Hongbin, born in 1991, is a doctoral candidate student at the Department of Chemical Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok, Thailand. He received his Master of Engineering in Chemical Engineering from KMITL in 2017. His areas of expertise are risk assessment, safety engineering and chemical process simulation.

         , Nipa Prawetpai

    Nipa Prawetpai, born in 1987, is a Research Engineer at POSCO – Thainox Public Company Limited, Rayong, Thailand. She received her Master of Science in Materials and Metallurgical Engineering from the Sirindhorn International Thai-German Graduate School of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand, in 2014.

         , Chockanan Tiyawatwitthaya

    Chockanan Tiyawatwitthaya, born in 1993, is a Welding Engineer for Piping and Power Plant Fabrication at Visavakit Patana Corp., Ltd., Pathumthani, Thailand. He received his Master of Engineering from the Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand, in 2020.

         , Piyabutr Wanichpongpan

    Assoc. Prof. Dr. Piyabutr Wanichpongpan received his Bachelor and Master’s degrees from King Mongkut’s University of Technology Thonburi (KMUTT) and Dr.-Ing. from Asian Institute of Technology, Pathum Thani, Thailand. He is associate professor of the Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology Thonburi (KMUTT), Bangkok, Thailand. He is now the President of Council of Engineers (COE), Thailand. He is the former Chairperson of Chemical Engineering and Petrochemicals, Engineering Institute of Thailand under H.M. the King’s Patronage (EIT). His areas of expertise are biological and environmental engineering.

         and Gobboon Lothongkum

    Prof. Dr.-Ing.

    Gobboon Lothongkum, born in 1960, is a professor and a member of the Innovative Metals Research Unit, Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand. He was Head of the Department from 2015 to 2019. He received his Dr.-Ing. degree from Helmut-Schmidt-University/University of the Federal Armed Forces Hamburg, Germany, in 1994. He achieved the International Welding Engineer Certificate from the International Institute of Welding in 2006. His areas of expertise are corrosion of metals and alloys, welding and metal joining, stainless steels and high temperature materials. He is now the President of Thai Corrosion of Metals and Materials Association (TCMA).

     EMAIL logo
Published/Copyright: June 23, 2023
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Materials Testing
From the journal Materials Testing Volume 65 Issue 8

Abstract

Descaling of stainless-steel black coil is an important step to produce white coil with smooth glossy surface. The AISI 304L black and white coils from a company containing 1.08–1.71Mn and 0.22–0.40Cu (wt%) were used to study the effects of Mn and Cu on descaling rate by potentiodynamic polarization technique at 25 °C. The pickling solutions were 0.5 M HCl and 0.5 M HCl mixed with H2O2 of 0.5, 0.88 and 1.76 M. The polarization curves of black and white coil samples measured in HCl–H2O2 mixture showed no passive range. The descaling rate of black coil oxide scales, and the corrosion potential (Ecorr) increased with H2O2 concentration. Low-Mn sample, that is 1.08%Mn0.23%Cu sample, showed higher descaling rate than high-Mn samples. No effects of Cu content on the descaling rate were observed. For white coil samples, the descaling rates were almost constant, but pitting on surface was observed. Passive films were eliminated. The corrosion potentials of black and white coil samples increased when adding H2O2 in HCl solution indicating an increase in cathodic reaction due to increase in dissolved oxygen. The corrosion potentials of 1.08%Mn0.23%Cu black and white coil samples were lower than those of high-Mn samples corresponding to less Mn oxide.

Keywords: descaling; electrolytic pickling; hot-rolled 304L stainless steel; hydrogen peroxide; polarization
Corresponding authors: Anchaleeporn Waritswat Lothongkum and Gobboon Lothongkum, Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand; and Department of Chemical Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang Ladkrabang, Bangkok 10520, Thailand, , E-mail:
.

About the authors

Anchaleeporn Waritswat Lothongkum

Prof. Dr. Anchaleeporn Waritswat Lothongkum, D. Eng. (Kyoto University), born in 1961, is a professor of the Department of Chemical Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand. She is the former President of Thai Institute of Chemical Engineering and Applied Chemistry (TIChE) from 2013 to 2017, and the former Chairperson of Chemical Engineering and Petrochemicals, Engineering Institute of Thailand under H.M. the King’s Patronage from 2014 to 2019. Her areas of expertise are chemical engineering, separation engineering, catalysis and safety engineering.

Boonyapa Benjamalai

Boonyapa Benjamalai, born in 1994, is a master student at the Department of Chemical Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok, Thailand. She received her Bachelor of Engineering in Petrochemical Engineering from KMITL in 2017. She joined the summer training at the National Metal and Materials Technology Center for 2 months, and practiced a corrosion program with Global Green Chemicals Public Company Limited for 1 month.

Nichit Hongbin

Nichit Hongbin, born in 1991, is a doctoral candidate student at the Department of Chemical Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok, Thailand. He received his Master of Engineering in Chemical Engineering from KMITL in 2017. His areas of expertise are risk assessment, safety engineering and chemical process simulation.

Nipa Prawetpai

Nipa Prawetpai, born in 1987, is a Research Engineer at POSCO – Thainox Public Company Limited, Rayong, Thailand. She received her Master of Science in Materials and Metallurgical Engineering from the Sirindhorn International Thai-German Graduate School of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand, in 2014.

Chockanan Tiyawatwitthaya

Chockanan Tiyawatwitthaya, born in 1993, is a Welding Engineer for Piping and Power Plant Fabrication at Visavakit Patana Corp., Ltd., Pathumthani, Thailand. He received his Master of Engineering from the Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand, in 2020.

Piyabutr Wanichpongpan

Assoc. Prof. Dr. Piyabutr Wanichpongpan received his Bachelor and Master’s degrees from King Mongkut’s University of Technology Thonburi (KMUTT) and Dr.-Ing. from Asian Institute of Technology, Pathum Thani, Thailand. He is associate professor of the Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology Thonburi (KMUTT), Bangkok, Thailand. He is now the President of Council of Engineers (COE), Thailand. He is the former Chairperson of Chemical Engineering and Petrochemicals, Engineering Institute of Thailand under H.M. the King’s Patronage (EIT). His areas of expertise are biological and environmental engineering.

Gobboon Lothongkum

Prof. Dr.-Ing.

Gobboon Lothongkum, born in 1960, is a professor and a member of the Innovative Metals Research Unit, Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand. He was Head of the Department from 2015 to 2019. He received his Dr.-Ing. degree from Helmut-Schmidt-University/University of the Federal Armed Forces Hamburg, Germany, in 1994. He achieved the International Welding Engineer Certificate from the International Institute of Welding in 2006. His areas of expertise are corrosion of metals and alloys, welding and metal joining, stainless steels and high temperature materials. He is now the President of Thai Corrosion of Metals and Materials Association (TCMA).

Acknowledgements

The authors sincerely thank the staff at the Research and Development Center of POSCO-Thainox Public Company Limited for a supply of stainless steel samples. We also extend our appreciation to Miss Pimpaporn Munpiriyakul at the College of Advanced Manufacturing Innovation, KMITL, for her help with the electrochemical analyzer work, and the Department of Metallurgical and Materials Engineering, Faculty of Engineering, Chulalongkorn University, for allowing to use the equipment for the experiments. Lastly, our sincere thanks go to Dr. Mark Francis Hoolahan at the Office of Academic Journal Administration, KMITL, for English proof of the first draft version.

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Published Online: 2023-06-23
Published in Print: 2023-08-28

© 2023 Walter de Gruyter GmbH, Berlin/Boston

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  3. A new manufacturing process for allogeneic bone plates based on high hydrostatic pressure–treated granules for jaw augmentation
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https://doi.org/10.1515/mt-2023-0072
Keywords for this article
descaling; electrolytic pickling; hot-rolled 304L stainless steel; hydrogen peroxide; polarization

Articles in the same Issue

  1. Frontmatter
  2. Innovative prevention of stress corrosion crack propagation in nuclear power pipe welds
  3. A new manufacturing process for allogeneic bone plates based on high hydrostatic pressure–treated granules for jaw augmentation
  4. Effects of Mn and Cu on descaling of hot-rolled 304L stainless steel in HCl and H2O2 mixtures
  5. Development of morphology and lattice misfit in modified Ni-base superalloy with Al, Co and Ni additions
  6. Adhesive wear behavior of FeB–FeMn–C coatings produced by GTAW
  7. Approximation of the stiffness of laminate stacks of electric motors subjected to cyclic loads
  8. Microstructure development and mechanical behaviour of pure copper processed by the novel TWO-CAP procedure
  9. Composite disc optimization using hunger games search optimization algorithm
  10. Cheetah optimization algorithm for optimum design of heat exchangers
  11. Influence of Ti and Nb addition on the microstructure, mechanical, and machinability properties of 316L stainless steel fabricated by powder metallurgy
  12. Effect of impactor nose form on the impact behavior of reinforced composite materials
  13. Optimization of cutting parameters by thrust force and time for drilling of aluminum 2024 T351
  14. Effect of curvature and stacking sequence on flexural strength in glass fiber reinforced composites
  15. Influence of tool pin shape and rotation speed for friction stir spot welding of AZ91 magnesium alloy sheets
  16. Corrigendum to: Mechanical properties and wear-corrosion resistance of a new compound extrusion process for magnesium alloy AZ61
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