Technology Committees

Galvanizing Technology Committee Activities

►Past Activities

The GTC and Sensor Systems Subcommittee (SSSC) met 24–25 September 2015, Evansville, Ind., USA. The GTC’s AISTech 2016 technical session development was discussed.
The GTC finalized its AISTech 2017 Call for Papers topic and discussed items to be reviewed at the AIST Leadership Conference.
A subcommittee including Stavros Fountoulakis, Mark Marietti, Jim Evans, Matt McCosby and Bill Lucas was estab-lished to determine what additional fields should be added to the existing Galvanizing Lines Roundup.
Technical presentations were given on the following topics:

  • The EMG IMPOC® system and its benefits.

  • Technologies involved to measure strip coating weight.

  • Tecnar’s zinc pot aluminum chemistry testing system.

  • ArcelorMittal Dofasco’s edge buildup detection sensor.

  • Keyence’s VK-X250 laser scanning microscope.

  • Advancements in surface inspection.

AK Steel Corp. – Rockport Works hosted a tour of its hot-dip galvanizing line.

Mark Marietti (right) presented a plaque of appreciation to Dan Tipton (left) for hosting a tour of AK Steel Corp. – Rockport Works during the GTC’s meeting on 24 September.
Frank Goodwin (left) presented the GTC service plaque to Dan Lamprecht (right).

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

  • Chair — Mark Marietti, AK Steel Corp. – Dearborn Works

  • Vice chair — Nick Lagios, Drever International USA

  • Papers co-chairs — Frank Goodwin, International Zinc Association, and Joe McDermid, McMaster University

  • Program planning chair — Harve Anderson, Rotadyne Roll Group

Meeting Highlights:
Frank Goodwin provided an overview of his team’s effort to maintain the data for the Galvanizing Lines Roundup. Gary Dallin is leading this effort at
Members participating in the AIST Process Benchmarker® (APB®) were encouraged to enter data. Ken Landau of AIST reviewed the status of producing companies who subscribe to the APB.

The CSRTC and GTC met on 10–11 March 2015, Louisville, Ky., USA. 

The CSRTC and GTC reviewed their respective technical sessions for AISTech 2015.

The following presentations were given:

  • “Strip Shape,” by Primetals Technologies.

  • “Strip Sensor Applications,” by EMG.

  • Cold Mill Shape — Mill Survey Review,” with four mills offering feedback of mill equipment and controls, limits and typical hold criteria.

  •  “Coating Line Steering — Mill Survey Review,” with nine mills offering feedback on systems, capabilities, incoming limits and issues.

  •  “Cold Mill Marks,” by ArcelorMittal Dofasco Inc.

  •  “Issues Versus Improvements in Roll Cover Design,” by Vail Rubber.

  •  “Cold Mill Strip Cleanliness,” by Quaker Chemical Corp.

  •  “Continuous Galvanizing Line Cleaning,” by Quaker Chemical Corp.

  •  “Cold Mill Surface Cleanliness — Mill Survey Review,” on tests, performance and limits.

  •  “Coating Line Cleaners — Mill Survey Review,” on systems, tests, performance and related issues.

Producer and supplier members were given an opportunity to discuss safety-related items.

A representative from Ternium Mexico discussed the company’s process of identifying new employees by issuing them specially colored helmets. As training progresses, stickers are awarded for performance, which are displayed on the helmet, until the employee is capable of working on his/her own. The employee’s helmet is then replaced with that of a permanent status employee.

Tours of AK Steel Corp. – Rockport Works’ continuous cold mill and Steel Dynamics Inc. – Flat Roll Group Jeffersonville’s galvanizing line were held.

Both committees met on Tuesday, 5 May 2015 at AISTech 2015 in Cleveland, Ohio, USA.

The GTC met in Youngstown, OH., on 9 September 2014. The one-day meeting was attended by 69 people, including 31 galvanizers, and began with two plant tours. Matt Keller hosted a tour of Taylor-Winfield Technologies’ world headquarters, which also houses its engineering and some manufacturing. Scott Bishop hosted a tour of NLMK – Sharon Coating’s galvanizing line.
A welders’ roundtable was moderated by Mark Mariette of AK Steel Corp. – Dearborn Works. Mariette summarized the welder survey responses received and encouraged discussion among the attendees. Welder-related presentations were given by Mike Prokop of Taylor-Winfield Technologies, Eric Thokar of Siemens Industry Inc. and Ralf Wallmeyer of IDEAL-Werk.

The GTC met in Southbend, IN., on 25–26 March 2014. 
I/N Tek & I/N Kote hosted the GTC on a tour of its continuous descale cold mill, roll shop and hot-dip galvanizing line.
Frank Goodwin, International Zinc Association and GTC papers chair, reviewed the GTC session for AISTech. He then reviewed the sessions that are being planned for MS&T’14, which will be held in Pittsburgh, Pa., USA, in October. Goodwin reported on the GalvInfo training, which is scheduled for November 2014 in Pittsburgh. He also announced that Galvatech 2015 will be in Toronto, Ont., Canada, on 31 May–5 June 2015 and will be co-located with the Hot Press Forming Conference (CHS2). Abstracts for CHS2 are due 1 August 2014.
Jim Evans, AK Steel, moderated a health and safety roundtable discussion with seven producer representatives who shared their facilities’ safety initiatives and experiences:
Erwin Lakia of Worthington Steel, Ilias Garidis of AM/NS Calvert, John Wray of California Steel Industries Inc.,
Jason Schulz of ArcelorMittal Dofasco Inc. and GTC chair, Chris Shuff of Spartan Steel and Phil Shawk of Gregory Industries, in addition to Evans.Dan Lamprecht, CMI Industry and GTC vice chair, moderated the presentations about side trimmers, which included the following:

Aaron Langness of I/N Kote, “In-Line Side Trimmer Project,” which provided an overview of I/N Kote’s project and experiences improving the CGL’s side trimmer and scrap baller.
Todd Bailey of ArcelorMittal Dofasco Inc., “Unslit Reworks Quality Improvement Project,” which gave an overview of an investigation of issues related to edge trimming.
Kurt Hilderbrand of Siemens Industry Inc., “SIROLL Side Trimmers,” which discussed the range of side trimmer technologies, configurations and controls offered by Siemens.
Frank Beddings of Primetals Technologies U.S.A. Holdings, Inc., “Side Trimmers,” which discussed the range of side trimmer technologies, configurations and controls offered by Primetals Technologies U.S.A. Holdings, Inc.

Harve Anderson of Rotadyne presented “Downstream, Value-Added Rubber Roll Technology,” which provided an overview of unique roller applications for printing, embossing and decorating metal surfaces for aesthetic markets.
Jason Schulz moderated a roundtable discussion regarding non-capital to small/medium capital improvements. Jim Evans presented “AK Steel’s No. 3 ZincGrip Temper Mill Wringer Roll Improvements.” Mike Koraido of Gregory Galvanizing explained a change in practice which Gregory Galvanizing made to the acid section of its galvanizing line’s cleaning section that has saved significant waste acid disposal costs due to the elimination of elemental zinc in the acid bath. Tom Minor of Spartan Steel presented details about how Spartan Steel eliminated heat buckle defect by adjusting tensions in the furnace per grade of steel. John Wray presented an update on California Steel Industries Inc.’s unique and successful furnace steering section sensor supplied by EMG called Vivialdi®.

The GTC met in Charleston, S.C., on 19–20 March 2013. Jason Schulz of ArcelorMittal Dofasco Inc. chaired the meeting. There were 73 attendees. Barry O’Hara of ArcelorMittal Dofasco Inc. led the safety session with a presentation entitled, “Accident-Free Workplace Team.” Chris Calvin of Nucor Steel followed with a presentation entitled, “Safety Improvements,” and the session closed with each producer company representative discussing a health and safety initiative/improvement being implemented at his/her facility. The theme of the meeting was increasing the throughput of galvanizing lines, with a number of producers and suppliers explaining various tactics to accomplish that goal. To conclude the meeting, Nucor Steel–Berkeley hosted a tour of its hot-dip galvanizing line.