Technology Committees


Ladle & Secondary Refining Technology Committee Activities

Matt Hallam (left) presented Helmut Oltmann (right) with the LSRTC service plaque at AISTech 2018.

The LSRTC met 8 May 2018, Philadelphia, PA, USA.
The following officers were elected:

  • Chair: Helmut Oltmann, Nucor Steel–Berkeley

  • Vice chair: Matt Hallam, Steel Dynamics Inc. – Structural and Rail Division

  • Papers chair: Chase Ault, Steel Dynamics Inc. – Flat Roll Group Butler

  • Education chair: Jimmy Barrett, Allied Mineral Products Inc.

  • Membership chair: April Pitts-Baggett, Nucor Steel Tuscaloosa Inc.

The LSRTC met 14–15 February 2018, San Antonio, Texas, USA. A safety roundtable discussion was held, based on the 2017 Safety Industry Fatalities Report put together by the Safety & Health Technology Committee.
Chase Ault went over the AISTech 2018 technical program. He reviewed the upcoming deadlines for authors as well as session chairs. Session chair responsibilities were discussed, and a tutorial was given on the new abstract management system, Hubb, for how to view and evaluate papers.
Upcoming officer positions were reviewed, as well as who will be filling them. There will be no rotation this year, with the same people staying in their current spots.
The Ladle and Secondary Refining Roundup was discussed, with work set to begin on updating the roundup before AISTech.
Jimmy Barrett reviewed the Secondary Steelmaking Refractories training course curriculum and tour site. The course will be held on 22–25 October 2018 in Charleston S.C., USA.
The following presentations were given:

  • “Yield Improvements at SDI Structural and Rail Division,” by Matt Hallam, Steel Dynamics Inc.

  • “Inclusion Evolution and Sampling Depth Study,” by April Pitts-Baggett, Nucor Steel Tuscaloosa Inc.

  • “Dust Capture Improvements During Ladle and Secondary Refining at Nucor Gallatin,” by Mike Callahan, Nucor Steel Gallatin.

  • “Japan Caster Study Tour Review,” by Matt Hallam.

Helmut Oltmann (right) presented a plaque of appreciation to Ronaldo Davila (left), Commercial Metals Company – Texas, for hosting the LSRTC on a tour of the facility.

The LSRTC met 26 October 2017, Milwaukee, Wis., USA, during Secondary Steelmaking Refractories — A Practical Training Seminar. The LSRTC reviewed the 2017 Steel Industry Fatalities report, followed by a safety roundtable discussion.
The committee decided to re-establish a members chair post. April Pitts-Baggett was nominated and elected to this position.
Chase Ault, papers chair, discussed the LSRTC’s AISTech technical session development. Seven sessions are scheduled, including three joint sessions with the Metallurgy — Steelmaking & Casting Technology Committee (MSCTC). The instructions for papers chair and session chair were also reviewed.
The recipient of the 2018 AIST Ladle and Secondary Refining Best Paper Award was announced. This award will be presented at the LSRTC meeting during AISTech 2018 in Philadelphia, Pa., USA.
A new Technology Committee award is being planned: the AIST Kent Peaslee Award. This is a joint-committee award between the LSRTC and the MSCTC. The award subcommittee is comprised of Ron O’Malley, Eugene Pretorius, Helmut Oltmann, Sunday Abraham, Bill Jones, Scott Story, Pallava Kaushik and Chad Cathcart. This subcommittee will meet in the future to determine specific award guidelines before this award is presented at an AISTech conference.
Jimmy Barrett, education chair, reviewed the Secondary Steelmaking Refractories training course, which had 101 attendees. A recap of the course can be found on pages 193–194 of this issue. The 2018 Secondary Steelmaking Refractories seminar will be held on 22–25 October 2018 in Charleston, S.C., USA, with Nucor Steel–Berkeley serving as host plant.
DeePoo Kumar, Carnegie Mellon University, gave a presentation titled, “Challenges in Developing a Reliable Kinetic Model for Ladle Refining Process.”

 
 
Helmut Oltmann (right) presented Sunday Abraham (left) with the LSRTC service plaque.

The LSRTC met 9 May 2017, Nashville, Tenn., USA.

The following officers were elected:

  • Chair: Helmut Oltmann, Nucor Steel–Berkeley

  • Vice chair: Matt Hallam, Steel Dynamics Inc. – Structural and Rail Division

  • Papers chair: Chase Ault, Steel Dynamics Inc. – Flat Roll Group Butler

  • Education chair: Jimmy Barrett, Allied Mineral Products Inc.

 
 
Sunday Abraham (left), LSRTC chair, presented a plaque of appreciation to Eugene Pretorius (center) and Helmut Oltmann (right), Nucor Steel–Berkeley, for hosting the LSRTC and MSCTC’s tour.

The LSRTC and MSCTC met 15–16 February 2017, Charleston, S.C., USA. The LSRTC and MSCTC finalized their respective AISTech 2017 technical sessions.
The winner of the AIST 2017 Ladle and Secondary Refining Best Paper Award was announced. This award will be presented at AISTech 2017 during the LSRTC meeting.
Bill Jones presented the award, named after Kent Peaslee. The MSCTC award subcommittee will coordinate with the Refining and Casting Technology Division to evaluate the nominees.
Ron O’Malley moved the motion to award the Kent Peaslee Award to the best inclusion engineering paper from the previous year’s AISTech conference. The motion was seconded and carried unanimously.
Committee officers for 2017–2018 were discussed and elections will take place at each committee’s meeting during AISTech 2017.
Jimmy Barrett reviewed the activities and attendance of the last training seminar, Secondary Steelmaking Refractories — A Practical Training Seminar. The next seminar is scheduled on 23–26 October 2017 in Milwaukee, Wis., USA. Charter Steel – Saukville will serve as host plant.
The 2017 Caster Japan Study Tour will be held on 5–11 November 2017. The program for the tour, which is  awaiting approval from the ISIJ, was presented. The producers of the MSCTC and LSRTC were invited to register and attend this study tour.

The following technical presentations were given:

  • “High Definition — High Performance HD Mold,” by Joseph Laughlin, SMS USA LLC.

  • “Ladle Free Open – Ladle Well Sand,” by Scott Story, U. S. Steel Research and Technology Center.

  • “Designing Mold Powder,” by Darrell Sturgill, IMERYS.

  • “Investigation of Mold Flux Crystallization by Continuous Cooling and Isothermal Methods,” by Elizabeth Peterson, Missouri University of Science and Technology.

  • “Computer Modeling of Refining in the Ladle,”   Chenn Zhou and Sotiri Hovardas, Purdue University Northwest.

  • “SiC Production and Its Use in Steelmaking,” by Brad Meibers, Washington Mills.

  • “SiC as a Tap Ladle Deoxidizer,” by Scott Story.

The committees discussed their fall meetings. The LSRTC will meet after Secondary Steelmaking Refractories — A Practical Training Seminar in Milwaukee, Wis., USA, on 26 October 2017. The MSCTC will meet on 4–5 October 2017 at the Colorado School of Mines.
The LSRTC and MSCTC capped off their meeting with a tour of Nucor Steel–Berkeley’s steelmaking operations.

The LSRTC and MSCTC enjoyed a plant tour of Nucor Steel–Berkeley during its 15–16 February 2017 meeting.
 

The LSRTC and RSTC met 13 October 2016, Birmingham, Ala., USA co-located with Secondary Steelmaking Refractories — A Practical Training Seminar​. The LSRTC and RSTC held separate business meetings and convened as a group for technical presentations.
During their separate meetings, each committee reviewed the 2016 Steel Industry Fatalities report, followed by a safety roundtable discussion on the cause, age, area and annual breakdown of incidents.
Rakesh Dhaka, RSTC papers chair, led a discussion on the RSTC’s AISTech 2017 technical sessions. Twenty-nine papers have been selected and organized into six sessions, three of which will be held jointly with other committees. Matt Hallam discussed the LSRTC’s technical session development, which includes 21 abstracts. Session titles and chairs were identified and the roles of the session chairs and papers chair were reviewed.
The 2017 AIST RSTC Best Paper Award was discussed, along with the development of evaluation criteria. The winner of the 2017 AIST Ladle and Secondary Refining Best Paper Award was announced. These awards will be presented at each committee’s respective meeting at AISTech 2017 in May.
Jimmy Barrett, LSRTC education chair, reviewed Secondary Steelmaking Refractories — A Practical Training Seminar, noting a good producer turnout this year. The next conference will be held 23–26 October 2017 in Milwaukee, Wis., USA. Charter Steel – Saukville will serve as host plant.

The following presentations were given:

  • “Refractory Choice for Steel Ladles,” by Cassie Martin, D. Martin Enterprises.

  • “Effect of Steel Mill Refractory Practices on Ladle Shell Lives and Update on Technical Report No. 9,” by Matt Nousak, Middough LLC.

The LSRTC met 13 October 2016, Birmingham, Ala., USA. The LSRTC reviewed the 2016 Steel Industry Fatalities report, followed by a safety roundtable discussion.
Matt Hallam led a discussion on AISTech 2017 technical session development. Twenty-one abstracts have been scheduled by the LSRTC, with one panel discussion. Session chairs selected, and the roles of papers chair and session chair were reviewed.
The recipient of the 2017 Ladle and Secondary Refining Best Paper Award was selected. This award will be presented at the LSRTC meeting during AISTech 2017.
Jimmy Barrett, LSRTC education chair, discussed the 2017 Secondary Steelmaking Refractories — A Practical Training Seminar. The seminar will be held on 23–26 October 2017 in Milwaukee, Wis., USA, with Charter Steel – Saukville serving as host plant.
The following presentations were given:

  • “Refractory Choice for Steel Ladles,” by Cassie Martin, D. Martin Enterprises.

  • “Effect of Steel Mill Refractory Practices on Ladle Shell Lives” and an update on AIST Technical Report No. 9 was presented by Matt Nousak, Middough LLC.

Helmut Oltmann (left) presented the LSRTC service
plaque to Sunday Abraham (right).

The LSRTC met 17 May 2016, Pittsburgh, PA, USA.

The following officers were elected:

  • Chair: Sunday Abraham, SSAB Iowa Inc.

  • Vice chair: Helmut Oltmann, Nucor Steel–Berkeley

  • Papers chair: Matt Hallam, Steel Dynamics Inc. – Structural & Rail Div.

The LSRTC and RSTC met 10–11 February 2016, Mobile, Ala., USA. The 2015–2016 Steel Industry Fatalities statistics were reviewed, followed by a safety roundtable discussion.
The committees reviewed their technical sessions for AISTech 2016. LSRTC has five sessions scheduled, and the RSTC has four. The role of the session chair was reviewed.
Nominations for committee officers for the 2016–2017 term were accepted and approved.
Jimmy Barrett discussed the evaluations from Secondary Steelmaking Refractories — A Practical Training Seminar attendees. Seminar presenters were given their individual appraisals from the attendees.
The LSRTC and RSTC will hold another joint meeting in October in Birmingham, Ala., USA, with a tour of CMC Steel Alabama. The meeting will focus on ladle campaigns/ladle deformation.
The following technical presentations were given:

  • “Technology Update on Laser Monitoring of Metallurgical Vessels,” by Michel Bonin of Process Metrix.

  • “Experiences With Laser Monitoring at SSAB Mobile,” by Greg Manfredi of SSAB.

  • “Latest Techniques in IR Thermal Imaging of Metallurgical Vessels,” by Tom Connors of Connors Industrials Inc.

  • “Experiences With Laser Monitoring at ArcelorMittal Burns Harbor,” by Sanjay Kumar of ArcelorMittal Burns Harbor.

  • “Auto Tracking of Steel Plant Ladles Using RFID-Wireless Systems,” by Federico Ahualli of AustralTek LLC.

The Ladle & Secondary Refining Technology Committee and the Refractory Systems Technology Committee toured SSAB Mobile during their joint meeting on 10–11 February 2016.

The LSRTC met 8 October 2015, Memphis, Tenn., USA. The LSRTC reviewed the 2015 Steel Industry Fatalities report, followed by a safety roundtable discussion.
Jimmy Barrett discussed the Secondary Steelmaking Refractories — A Practical Training Seminar program, which included casting refractories. Seminar attendee evaluations will be reviewed to see if this program change was beneficial. A recap of this seminar can be found on page 143–144 of this issue.
The recipient of the LSRTC Best Paper Award was selected. This award will be presented at the LSRTC meeting during AISTech 2016 in Pittsburgh, Pa., USA.
Helmut Oltmann, LSRTC papers chair, discussed the LSRTC’s technical session layout for AISTech 2016. Session topics were determined. Session chairs were selected.
The following technical presentations were given: 

  • Hydris Testing Improvements,” by Paul Turner, Heraeus Electro-Nite Co. LLC.

  • Ladle Flux Additions at Steel Dynamics – Butler,” by Chase Ault, Steel Dynamics Inc. – Flat Roll Group Butler.

 
 
The LSRTC service plaque was presented to Kamalesh Mandal (left to right): James Barrett, Sunday Abraham, Mandal and Dean Lovewell.

The LSRTC met 5 May 2015, Cleveland, Ohio, USA.
The following officers were elected:

  • Chair — Sunday Abraham, SSAB Iowa Inc.

  • Vice chair — Dean Lovewell, Ellwood Quality Steels

  • Papers chair — Helmut Oltmann, Nucor Steel– Berkeley

  • Members chair — Matt Hallam, Steel Dynamics Inc. – Structural & Rail Div.

  • Education chair — James Barrett, Allied Mineral Products Inc.

  • Roundup chair — Kevin Cotchen, SMS USA LLC

Meeting Highlights:
James Barrett gave an update on Secondary Steelmaking Refractories — A Practical Training Seminar, which  will be held on 5–8 October 2015 in Memphis,  Tenn., USA. Nucor Steel Memphis Inc. will serve as host plant, and Tony Faulds will give the keynote presentation.
The LSRTC discussed  its  fall 2015 meeting, which  will include presentations from Heraeus Electro-Nite Co. LLC, Steel Dynamics Inc. – Flat Roll Group Butler and INTECO PTI.

The LSRTC met 11 February 2015, Phoenix, AZ., USA. The 2014 Steel Industry Fatalities report was reviewed, followed by a safety roundtable discussion. 
The LSRTC finalized its technical sessions for AISTech 2015.
Nominations for committee officers for the 2015–2016 term were confirmed and will be announced at AISTech 2015 in Cleveland, Ohio, USA.
Jimmy Barrett gave an update on the 2015 Secondary Steelmaking Refractories — A Practical Training Seminar, which will be held on 5–8 October 2015 in Memphis, Tenn., USA. This annual training seminar will be extended one-half day to include casting refractories and process. Nucor Steel Memphis Inc. will serve as the host plant, and Tony Faulds will be the keynote speaker.
Kevin Cotchen gave an update on the Ladle and Secondary Refining Roundup. The format has been finalized, but assistance is still needed for gathering plant data.
The 2015 Germany Caster Study Tour agenda was presented for consideration by LSRTC producer members.
Presentations for the LSRTC’s fall 2015 LSRTC meeting were scheduled.
The following presentations were given: 

  •  “Casting Mold Fluxes,” by Darrell Sturgill, Stollberg.

  • “Argon Purged Sampling Benefits,” by Paul Turner and Garrett Kaste, Heraeus Electro-Nite Co.

  • “Benefits of Ladle Insulation,” by Lionel Rebouillat, Pyrotek Canada.