Technology Committees


Metallurgy — Steelmaking & Casting Technology Committee Activities

The MSCTC and CCTC met 6–7 February 2018, Florence, S.C., USA.
The CCTC and MSCTC reviewed safety statistics and had an excellent discussion focusing on the causes and the age breakdown of fatalities.
AISTech 2018 sessions were finalized. The CCTC has eight sessions and MSCTC has six sessions. The group discussed upcoming deadlines for AISTech 2018, as well as the roles of the session chair and papers chair.
The Continuous Casting Best Paper award and the Kent D. Peaslee Memorial Award (a joint-committee award between the MSCTC and the Ladle & Secondary Refining Technology Committee)were discussed.
Both committees went through nominations for the upcoming 2018–2019 officer rotation.
Rudolf Moravec, ArcelorMittal Global R&D, reviewed the most recent Caster Study Tour, which was held in Japan in November 2017.
The following technical presentations were given:

  • “HD Scan Macrosegregation,” by Joe Laughlin, SMS group.

  • “Elemental Segregation Analysis in Continuous Steel Castings Using Micro-XRF,” by Kenny Witherspoon, I-XRF.

  • “Micro-XRF analysis of Metals,” by Mike Beauchaine, Bruker.

  • An analysis of the round-robin testing for centerline evaluation performed by the IQRS subcommittee was given by Sunday Abraham, SSAB Americas, and Joydeep Sengupta, Arcelor­Mittal Dofasco G.P.

  • Ron O’Malley, Missouri University of Science and Technology, talked about recent inclusion research at the Peaslee Steel Manufacturing Research Center.

The next day, the group toured Nucor Steel–South Carolina.

1. Kenny Witherspoon presented during the CCTC and MSCTC joint meeting on 6 February 2018. 2. Scott Story (right) presented a plaque of appreciation to Ian Deeks (left) for hosting the tour of Nucor Steel–South Carolina on 7 February 2018.

The MSCTC met 4–5 October 2017, Golden, Colo., USA. The MSCTC reviewed the 2017 Steel Industry Fatalities report and had a safety roundtable discussion.
Roger Maddalena, papers chair, discussed the MSCTC’s AISTech 2018 technical session development. The committee will have six sessions, including joint sessions with the CCTC and LSRTC.
The MSCTC discussed the new AIST Kent Peaslee Award (see LSRTC meeting recap for details) and how the winner will be chosen.
The following technical presentations were given:

  • Inclusion Evolution During Solidification and Their Impact on Product Quality,” by Scott Story, U. S. Steel Research and Technology Center.

  • Effect of Inclusions on Fatigue Resistance in Bearing Products,” by Peter Glaws, TimkenSteel Corp.

  • Effect of Cu and Sn on Hot Cracking,” by Sridhar Seetharaman, Colorado School of Mines.

  • Bending Performance Improvement of Dual-Phase Steel With 1,000 MPa Tensile Strength,” by Pallava Kaushik, ArcelorMittal Global R&D.

  • The Significance of Negative Strip Time Revisited,”  by Ed Szekeres, Casting Consultants Inc.

The next day, the MSCTC ventured over to Colorado School of Mines, where Brian Thomas discussed the Continuous Casting Center (CCC) and Kip Findley talked to the group about the Advanced Steel Processing & Products Research Center (ASPPRC). Seong-Mook Cho from the CCC and Mary O’Brien from the ASPPRC were able to present their recent work. The group then toured the lab facilities at the Colorado School of Mines.

1. Kip Findley discussed the Advanced Steel Processing & Products Research Center at the Colorado School of Mines (CSM). 2. Brian Thomas gave an overview of the Continuous Casting Center at CSM. 3. Scott Story (right) presented Kip Findley (left) with a plaque of appreciation for hosting the MSCTC’s meeting and providing a tour of the lab facilities of CSM.
 
 
 
Roger Maddalena (right) presented Scott Story (left) with the MSCTC service plaque.

The MSCTC met 8 May 2017, Nashville, Tenn., USA.

The following officers were elected:

  • Chair: Scott Story, U. S. Steel Research and Technology Center

  • Vice chair: Pallava Kaushik, ArcelorMittal Global R&D – East Chicago

  • Papers chair: Roger Maddalena, Vesuvius USA

  • Members chair: Alyssa Briere, Stelco

  • IQRS chair: Bill Jones, U. S. Steel – Great Lakes Works

 
 
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.
 
 
Scott Story (right), MSCTC chair, presented Bob Heil (left), steelmaking metallurgist at Charter Steel – Saukville, with a plaque of appreciation for hosting the MSCTC’s tour during its 28–29 September 2016 meeting.

The MSCTC met 28–29 September 2016, Milwaukee, Wis., USA. The MSCTC reviewed the 2016 Steel Industry Fatalities report, followed by a safety roundtable discussion.
Roger Maddalena led a discussion on AISTech 2017 technical session development. For the MSCTC’s six sessions, 29 abstracts were selected. The MSCTC reviewed instructions for session chairs, who were also selected during the meeting, and papers chairs.
Bill Jones, chair of the Internal Quality Rating System Subcommittee, provided an update on the status on the inclusion engineering and clean steel practice publication. Papers from Peter Glaws, Ron O’Malley, Lifeng Zhang, E. Buddy Damm and Scott Story will be included in the publication.
The MSCTC unanimously voted to establish the Kent Peaslee Best Paper Award, which will be presented to the best MSCTC paper presented at future AISTech conferences. This proposal will be submitted to the AIST Board of Directors.
The MSCTC will hold a 2017 Japan Caster Study Tour. Details of this program were discussed.
Presentations are needed for the MSCTC’s joint meeting with the Ladle Secondary Refining Technology Committee, which will be held in February 2017. Those interested in presenting should contact Scott Story and Sunday Abraham.
The following presentations were given:

  • “Macrosegregation Evaluation Using Micro-XRF Large Area Scanning,” by Thinium Natarajan, U. S. Steel Research and Technology Center.

  • “PDA-OES,” by Jean-Marc Bohlen and Brad Cooley, Thermo Fisher Scientific.

  • “Quantitative Assessment of Slab Internal Quality,” by Sunday Abraham, SSAB Iowa.

  • “The Effect of Sulfur Wire Additions to Calcium Treated Aluminum-Killed Fine-Grain Steel,” by Troy Kaczorowski, Charter Steel – Cleveland.

  • “Use of Thermodynamic Models in Steelmaking,” by Stephano Piva and Mauro Elias Ferreira, Carnegie Mellon University.

The MSCTC service plaque was presented to Roger
Maddalena (left to right): Bill Jones, Maddalena, Scott
Story and Sunday Abraham.

The MSCTC met 16 May 2016, Pittsburgh, PA, USA.

The following officers were elected:

  • Chair: Scott Story, U. S. Steel Research & Technology Center

  • Vice chair: Pallava Kaushik, ArcelorMittal Global R&D

  • Papers chair: Roger Maddalena, Vesuvius USA

The MSCTC met 9–10 March 2016, Charleston, S.C., USA.
The MSCTC reviewed the 2016 Steel Industry Fatalities statistics, followed by a safety roundtable discussion.
The MSCTC finalized its AISTech 2016 technical sessions. The roles of session chair and papers chair were re-emphasized.
Nominations for MSCTC officers for the 2016–2017 term were confirmed.
The MSCTC reviewed the following upcoming AIST Study Tours:

  •  2016 United Kingdom Specialty Steelmaking Study Tour on 19–25 June 2016.

  •  2016 Italy EAF Study Tour on 13–19 November 2016.

  • 2017 Japan Caster Study Tour being considered.

A joint meeting with the Ladle Secondary Refining Technology Committee is being planned for February 2017. Details will be formalized during the fall 2016 meeting.
Presentations were given by the following individuals:

  • Bryan Webler of Carnegie Mellon University, “Evolution of Inclusion Chemistry and Size Distributions After Controlled Reoxidation.”

  • Pallava Kaushik of ArcelorMittal Global R&D, “Improving the Castability and Increasing the Sequence Length of IF-TiSULC Steel Grades.”

  • Bob Heil of Charter Steel – Saukville, Wisconsin gave a presentation on inclusion studies at Charter Steel – Saukville, Wisconsin.

  • Helmut Oltmann of Nucor Steel–Berkeley gave a presentation on Nucor Steel–Berkeley’s steelmaking facility. 

Roger Maddalena (right), MSCTC chair, presented Helmut Oltmann (left) and Eugene Pretorius (center) with a plaque of appreciation for hosting a tour of Nucor Steel–Berkeley.

The MSCTC met 28–29 October 2015, Canton, Ohio, USA. The MSCTC reviewed the 2015 Steel Industry Fatalities Report, followed by a safety roundtable discussion. 
Shahrooz Nafisi discussed the AISTech 2016 MSCTC technical sessions:

Six sessions are scheduled, three of them being joint sessions with the Continuous Casting Technology Committee.
Session chairs were nominated.
An Inclusion Engineering and Clean Steel (IECS) session will be held on Wednesday morning.
An Internal Quality Rating System (IQRS) panel discussion is scheduled at the end of a Tuesday afternoon session.

The following technical presentations were given:

Seamless Pipe Steel Cleanliness,” by Rodrigo Corbari of Vallourec Star.
“Recent Technological Advancements at the Faircrest Steel Plant,” by Peter Glaws of TimkenSteel Corp.
“Potential Use of P-SEM for Quality Assessment of As-Cast Steel Prior to Rolling,” by Edward S. Szekeres of Casting Consultants Inc.
“Effect of Process Route on Inclusion Modification by Calcium Treatment,” by S.R. Story, Q.E. Liu, C.R. Cathcart and M. Molnar.

1. Kester Clarke (left) and Ron Radzilowski (right) presented Amar De (center) with a plaque of appreciation for his service
as AIST Programming Committee representative for MS&T15. 2. Ron Radzilowski (center) presented the Richard J. Fruehan
Award to Qiulin Yu (right) and Amy Beard (left). 3. Ron Radzilowski presented the Jerry Silver Award at MS&T15 (left to right): V.S.A. Challa, R.D.K. Misra, Radzilowski and Steven G. Jansto. 4. Amy Clarke (left) presented the Adolf Martens Memorial Steel Lecture Award to Sir Harry Bhadeshia (right). 5. Scott Story (left), MSCTC vice chair, and Roger Maddalena (right), MSCTC chair, presented Tom Zorc (center), manager, TimkenSteel Corp., with a plaque of appreciation for hosting a tour of TimkenSteel Corp. – Harrison Steel Plant.
 
 
The MSCTC service plaque was presented to Chad Cathcart (left to right): Scott Story, Cathcart, Roger Maddalena and Shahrooz Nafisi.

The MSCTC met 6 May 2015, Cleveland, Ohio, USA.
The following officers were elected:

  • Chair — Roger Maddalena, Vesuvius USA

  • Vice chair — Scott Story, U. S. Steel Research and Technology Center

  • Papers chair — Shahrooz Nafisi, EVRAZ Regina

  • IQRS Subcommittee chair — Bill Jones, U. S. Steel – Granite City Works

Meeting Highlights:
The MSCTC discussed developing its objectives for the coming year.
Roger Maddalena discussed a winter joint meeting with the CCTC.
Bill Jones, Sunday Abraham and Ron OMalley provided an update on the Kent Peaslee memorial publication.
The 2015 Germany Caster Study Tour will be held on 8–14 November 2015. The MSCTC was encouraged to participate in this initial caster study tour, which has since sold out.

The CCTC and MSCTC Met 18–19 February 2015, Darlington, S.C., USA. Ian Deeks and Scott Story reviewed the AISTech 2015 CCTC and MSCTC sessions:

  • Both committees have selected a full conference, with 27 papers scheduled.

  • The roles of session chairs and papers chairs were reviewed.

Nominations for committee officers for the 2015–2016 term were confirmed and will be announced at AISTech 2015 in Cleveland, Ohio, USA.
Eric Rosenow and Dewey Humes gave an update on the 2015 Continuous Caster Roundup. It is hoped that European casting facilities will be added to the 2015 version, which will be published in the July issue of Iron & Steel Technology.
Bill Schlichting and Jeff Brower gave an update on the 2015 Continuous Casting — A Practical Training Seminar. The seminar will be held in Charleston, S.C., USA, on 12–15 October with Nucor Steel–Berkeley serving as host plant.
Bill Jones gave an update from the Internal Quality Rating System (IQRS) Subcommittee and its work on Inclusion Engineering and Clean Steels Commemorative Volume, a journal that will be dedicated to the late Kent D. Peaslee.
The 2015 Germany Caster Study Tour will take place on 8–14 November 2015. The CCTC’s goal is to have at least 10 domestic producer companies represented. 
Rick Besich, CCTC vice chair, and Roger Maddalena, MSCTC vice chair, conducted a roundtable technical question-and-answer session.
The following presentations were given:

  • “Nucor Steel Darlington: MS, RM and CF Operation Review,” by Grant Etheredge and Andrew Schless, Nucor Steel–South Carolina.

  • “Hydraulic Oscillation Cylinder Maintenance,” by J.C. Raies, Dover Hydraulics.

  • “Major Billet Caster Revamp to Produce SBQ Grades at Ovako,” by Phil Ponikvar, SARRALLE USA Inc. 

  • “Effect of MgO on Inclusion Liquid Fraction,” by Scott Story, U. S. Steel Research and Technology Center.

  • “HD Scan — An Advanced Objective Evaluation of Internal Quality for Continuous Cast Steel,” by Joe Laughlin, SMS group.

  • “As-Cast Surface Features Developed During One Cycle of Mold Oscillation,” by Ed Szekeres, Casting Consultants Inc.