Technology Committees


Continuous Casting Technology Committee Activities

►Past Activities

The CCTC met 15 October 2015, Charleston, SC, USA. The CCTC reviewed the 2015 Steel Industry Fatalities report, followed by a safety roundtable discussion.
Bill Schlichting reported on this year’s Continuous Casting — A Practical Training Seminar. A recap of this seminar can be found on pages 140–141 of this issue.
Rudolf Moravec, CCTC papers chair, discussed AISTech 2016 paper selection. Session topics were determined, joint sessions were discussed and session chairs were selected.
An update was given on the 2015 Germany Caster Study Tour, which was then held on 8–13 November 2015. The study tour included a joint meeting and panel discussion with Steel Institute VDEh.
Technical presentations on casting peritectic grades were given by Rick Besich, Ken Blazek and Darrell Sturgill.

 
 
The CCTC service plaque was presented at AISTech 2015 (left to right): Shahrooz Nafisi, Rick Besich and Rudolf Moravec.

The CCTC met 4 May 2015, Cleveland, Ohio, USA.
The following officers were elected:

  • Chair — Rick Besich, ArcelorMittal Indiana Harbor

  • Vice chair and APB® co-chair — Ian Deeks, Nucor Steel–South Carolina

  • Papers chair and APB® co-chair — Rudolf Moravec, ArcelorMittal Global R&D

  • Members chair — Joydeep Sengupta, ArcelorMittal Dofasco Inc.

  • Education co-chairs — Bill Schlichting, U. S. Steel Research and Technology Center, and Jeff Brower, Primetals Technologies USA LLC

  • Roundup co-chairs — Eric Rosenow, Nalco Co., and Joe Laughlin, SMS USA LLC

Meeting Highlights:
The 2015 Germany Caster Study Tour will  be held  on 8–14 November 2015. There will be six plant  tours along with a technical panel discussion with Steel Institute VDEh preceding Stahl Tag 2015. The study tour is sold out.
Jeff Brower reviewed the 2015 Continuous Casting — A Practical Training Seminar, which will be held in Charleston, S.C., USA, on 12–15 October 2015.
The CCTC’s fall 2015 meeting will include presentations addressing casting peritectic grades given by: Rick Besich, Ken Blazek of ArcelorMittal Global R&D, Bill Schlichting and Darrell Sturgill of IMERYS.
The  CCTC  discussed  several   upcoming  Technology Training Conferences.

 
 
 

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.

The CCTC Met 23 October 2014, Indianapolis, Ind., USA. The 2014 Steel Industry Fatalities report was reviewed, followed by a safety roundtable discussion.
Ian Deeks, 2015 CCTC papers chair, led the discussion on AISTech 2015 technical session development:

  • Five sessions are scheduled for the CCTC.

  • The following CCTC members were nominated as session chairs: Ron O’Malley, Rick Besich, Ian Deeks, Shahrooz Nafisi, Bill Schlichting, Jeff Brower, Rudolf Moravec, Eric Rosenow, Darrell Sturgill, Dewey Humes, Chad Donovan, David Wise, Asish Sinha, Steve Thomas and Phil Ponikvar.

  • Papers chair and session chair instructions were reviewed.

The group reviewed the CCTC’s description for the AISTech 2016 Call for Papers.
A winner has been selected for the 2015 Continuous Casting Best Paper Award. This award will be presented at AISTech 2015 in Cleveland, Ohio, USA, in May 2015.
Updates were given on the Continuous Caster Roundup and the AIST Process Benchmarker®, and the group was given a preview of the 2015 European Continuous Casting Study Tour, to be held on 8–14 November 2015.
Jeff Brower and Bill Schlichting gave a review of the 2014 Continuous Casting — A Practical Training Seminar, which had 98 attendees. The 2015 Continuous Casting — A Practical Training Seminar is scheduled for 12–15 October 2015 in Charleston, S.C., USA, with Nucor Steel–Berkeley serving as plant host.
Rick Besich discussed the CCTC’s upcoming winter 2015 joint meeting with the Metallurgy — Steelmaking & Casting Technology Committee, which will feature a question-and-answer format.
The following presentations were given:

  • “Mold Oscillation Monitoring and Friction Detection,” by KISS Technologies.

  • “SEN Design or EMBR Optimization Toward Optimal Mold Flow in Thin-Slab Caster Mold,” by Rudolf Moravec, ArcelorMittal Global R&D.

  • “Effect of EMBr on Transient Fluid Flow in Continuous Slab Casting,” by Brian Thomas, University of Illinois at Urbana-Champaign.

  • “Slab EMS Solutions,” by David A. Domanski, ABB.

Joint CCTC/MSCTC meeting, 12–13 February 2014, Mobile, Ala., USA. AISTech 2014 CCTC and MSCTC paper sessions were reviewed. The CCTC and the MSCTC each have six ses-sions scheduled. Session chairs were confirmed and were reminded of their responsibilities.
Dewey Humes and Eric Rosenow provided an update on the Continuous Casting Roundup and encouraged attendees to participate in expanding this roundup.
Bill Schlichting provided an update on the 2014 Continuous Casting Training Seminar, to be held in Indianapolis, Ind., USA, on 20–23 October 2014. Tours of Nucor Steel–Indiana and Steel Dynamics Inc. – Engineered Bar Products Division will be available for attendees of the conference. The final program outline will be presented at the CCTC meeting at AISTech 2014.
The AIST 2014 Continuous Casting Best Paper Award winner was announced, and the award presentation will occur during the CCTC meeting at AISTech 2014.
CCTC and MSCTC producer members were informed about the 2014 EAF Brazilian study tour on 15–22 November 2014. Producer members interested in participating can contact Pat Philbin of AIST.
A question and answer session was introduced by the committees’ vice chairs, Rick Besich (CCTC) and Roger Maddalena (MSCTC). This led to a meaningful technical discussion. Both committees agreed that this practice should be repeated next winter during another joint CCTC/MSCTC meeting.

The following presentations were given:

  • Oscillation Practice at Nucor Steel–Decatur LLC,” Ron O’Malley,  Missouri University of Science and Techcnology. 

  • Slab Surface Quality Improvements,” Rudolf Moravec, ArcelorMittal Global R&D.

  • Hydraulic Oscillator Installation at Gallatin Steel,” Steve Thomas, Gallatin Steel Co. 

  • Jerry Peters, caster manager, SSAB Alabama Inc., hosted the committees on a tour of SSAB’s steelmaking facilities.

A question and answer forum followed the tour. 

The CCTC met 17 October 2013, Memphis, Tenn., USA. The 9th annual Continuous Casting — A Practical Training Seminar was reviewed. The expansion to two-and-a-half days was successful, with 120 attendees. The panel discussion was a popular feature. Next year’s training seminar will be held on 20–23 October 2014 in Indianapolis, Ind., USA.
Seven CCTC sessions are scheduled for AISTech 2014, with parallel sessions on Tuesday morning and Wednesday afternoon. Session topics were selected, and CCTC members were encouraged to contact Ron O’Malley if interested in becoming a session chair.
Rick Besich discussed the 2014 Continuous Casting Best Paper Award and noted that the award subcommittee had selected “Stopper Rod Dithering Trials at ArcelorMittal Dofasco No. 1 Continuous Caster,” by Stephen Daeyoung Chung, Joydeep Sengupta and Mehrnoosh Afnan. This award will be presented at AISTech 2014 during the CCTC meeting.
Presentations were given by Bill Schlichting, U. S. Steel – Gary Works; Rudolf Moravec, ArcelorMittal Indiana Harbor; David Wise, Evertz Technology; Jeff Brower, Siemens Industry Inc.; and Chad Donovan, SMS Millcraft. 

The CCTC met in New Orleans, La., on 20–21 February. The committee was given a tour of ArcelorMittal La Place steelmaking operations on Thursday morning, 21 February. The 2013 Continuous Casting Best Paper Award will be presented to Nick Gregurich, Garrett Flick, Rudolf Moravec and Kenneth Blazek for their paper entitled, “In-Depth Analysis of Continuous Caster Machine Behavior During Casting With Different Roll Gap Taper Profiles,” during the CCTC meeting on Monday, 6 May at AISTech 2013 in Pittsburgh, Pa. The CCTC officer elections for the 2013–2015 term are: Ron O’Malley, chair; Richard Besich, vice chair; Shahrooz Nafisi, papers chair; Rudolf Moravec, APB Slab Caster chair; Ian Deeks, APB Shape Caster chair; Jeff Brower, education chair; and Dewey Humes, Eric Rosenow and Ian Bakshi, caster roundup subcommittee. The AIST Association-Level Award candidates were discussed, along with the award guidelines and requirements. CCTC members can contact Ron O’Malley to nominate an individual for consideration. Jeff Brower, education chair, discussed the possibility of extending this year’s training seminar to two and one-half days. The 2013 Continuous Casting Training Seminar program was scheduled to be finalized in mid-March. This year’s caster training seminar will be held on 14–17 October 2013 in Memphis, Tenn., with Nucor Steel–Memphis as the host plant. Two presentations were given during the CCTC meeting: “Dynamic Soft Reduction on Bloom,” by Philip Ponikvar, Siemens; and “Liquid Core Detection Method,” by Bryan Petrus, University of Illinois.