Table of Contents

Keynote Session 1

Opening and welcome: Status of the steel industry 2 Hans Jürgen Kerkhoff, Steel Institute VDEh, German Steel Federation,

The automotive world 2 Matthias Wissmann, German Association of the (VDA), Germany

Steel grades- Needs for the future 2 Bernard Bramaud, ArcelorMittal, France

Cars and steel - Quo vadis? 2 Josef Bauman, AG, Germany

Making a promise real - Delivering high quality to the automotive market 2 Jürgen Horsthofer, SCHMOLZ + BICKENBACH, Germany

Steels with strain-induced transformations 3

Ultrahigh strength and supraductile high-manganese light-weight steels for automotive applications 4 Georg Frommeyer, Max-Planck-Institut für Eisenforschung GmbH, Germany

Effect of B on the transformation behavior in TRIP steels 18 Jai-Hyun Kwak, Kwang-Geun Chin, POSCO Research Labs, Korea

Customer oriented development and optimization of cold rolled intercritically annealed multiphaseTRIP sheet steels 26 Daniel Krizan, Sandra Traint, Robert Sierlinger, Heinrich Pauli, Andreas Pichler, voestalpine Stahl GmbH, Austria

X-IP® 1000: Properties of an austenitic super high strength high manganese steel-Status and outlook 34 Harald Hofmann, Helmut Richter, ThyssenKrupp Steel, Francois Fahre, Sinasi Göklü, Dominique Cornette, Mohamed Bouzekri, ArcelorMittal, Germany

V Bibliografische Informationen digitalisiert durch http://d-nb.info/988968037 gescannt durch Innovative steels for Springs and fasteners 89

Development of new high strength spring steel for automobile Suspension 90 Hui Weijun, Dong Han, Wang Maoqiu, Shi Jie, China Iron & Steel Research Institute Group, Weng Yuqing, The Chinese Society for Metals, Zhao Xiuming, NAVEC Automobile Co., China

New high strength super clean steel for demanding spring applications 98 Peter Janssen, ArcelorMittal Steel Ruhrort GmbH, Germany

High strength spring steels with improved ductility and corrosion resistance 106 Fabien Perrard, C. Mendibide, Ascometal CREAS France, N. Yoshihara, Y Namimura, N. Ibaraki, Kobe Steel, Japan

Study on the mechanical properties of micro-alloyed steels having bainitic microstructures 114 You-Hwan Lee, Dong-Hyun Kim, Wire Rod Research Group, Technical Research Laboratories, POSCO, Korea

Car body design with lightweight steels 120

Development of modern bodies using high and ultra high strength steels.... 121 Josef Meinhardt, Arnulf Lipp, Markus Ganser BMW Group, Germany

The new Volkswagen CC - Steel lightweight bodydesign 122 Frank Welsch, Rainer Cordes, Klaus Stärker, Volkswagen AG, Germany

SCALIGHT - The way to the intelligent body in white architecture 123 Andre Kröff, Salzgitter Mannesmann Forschung GmbH, Michael Büscher, Wilhelm Karmann GmbH, Germany

Steels for chassis applications - current Status at Benteler Automotive and future requirements of the steel industry 131 Andreas Frehn, Benteler Automotive GmbH, Germany

VIII New steels with specific properties 43

Ultra-high-strength hot-rolled structural steel with enhanced inherent corrosion resistance 44 Mikko Arponen, Jukka Komi, Rautaruukki Oyj, Finland

Mechanical properties of ferritic stainless AI Cr steels 51 Ralf Rablbauer, Georg Frommeyer, Max-Planck-Institut für Eisenforschung GmbH, Germany

Development Status and market potential of hot formed ballistic steels 52 Christian Howe, Markus Müller, Wilfried Rostek,. Benteler Automobiltechnik GmbH, Thomas Tröster, Universität Paderborn, Germany

Use of corrosion-resistant higher-alloyed metallic materials for the transport of dangerous goods in tanks 53 Margit Weltschev, Ralph Bäßler, Federal Institute for Materials Research and Testing (BAM), Helmut Werner, IKS Dresden, Helena Alves, ThyssenKrupp VOM, Germany

Steel in powertrain applications 63

Modern development of forged components for automotive applications 64 Hans-Willi Raedt, Manfred Hirschvogel, Hirschvogel Automotive Group, Germany

Anew high strength steel 20MnCrMo7 72 Heike Langner, Robert Bosch GmbH, Christophe Beyer, Hirschvogel Umform- technik, Serosh Engineer, EZM Edelstahlzieherei Mark GmbH, Armin Franke, SZF Stahlzentrum Freiberg, Herbert Hölzl, Robert Bosch GmbH, Peter Janßen, ArcelorMittal Steel Ruhrort GmbH, Germany

Temperature resistant steel at 350 °C with a tensile strength of 1400 MPa 73 Serosh Engineer, EZM Edelstahlzieherei Mark GmbH, Josef Kiener, Ferdinand Löbbering, Martin Murawski, Siemens VDO Automotive AG, Bert Reinhold, Vacuheat GmbH, Germany

High pressure fuel lines for modern diesel engines 81 Steffen Zimmermann, Salzgitter Mannesmann Forschung GmbH, Michael Hagedorn, Uwe Lechtenfeld, Andreas Zaremba, Salzgitter Mannesmann Präzisrohr GmbH, Germany

VI Press-hardened steel in automotive applications 1 132

Press-hardened steels in automotive applications - Chances and challenges 133 Carsten Lachmann, Stephan Eisenberg, Uwe Paar, Volkswagen AG, Germany

Development of a cost optimised high-performance steel front bumper beam... 141 Jens Bovenkerk, Leiflckert, Institut für Kraftfahrwesen RWTH University, Lothar Patberg, Rene Hampe, ThyssenKrupp Steel AG, Germany

Short cycle times on the third generation of hot forming lines 149 Michael Werbs, Lars Gerlach, Schuler Cartec GmbH & Co. KG, Germany

New ultra high strength steel grades for hot stamping 154 Malek Naderi, Wolfgang Bleck, Vitoon Uthaisangsuk, Department of Ferrous Metallurgy, IEHK-RWTH Aachen University, Germany

Long products with improved properties 164

High Performance wire rod for of the future - Special requirements on steel and wire rod 165 Herbert Schiffer!, Gerfried Wolf, voestalpine Stahl Dona witz GmbH & Co KG, Robert Kienreich, voestalpine Austria Draht GmbH, Austria

Improved Performance by high temperature carburizing shown by the example of VW4521+Nb 173 Karola Klenke, Rainer Kohlmann, Deutsche Edelstahlwerke GmbH, Patrick Reinhold, Werner Schweinebraten, Volkswagen AG, Germany

Development of high strength bainitic steels destined for car and truck components 184 Marie-Therese Perrot-Simonetta, Anne Bomont-Arzur, Bernard Resiak, Claude Weider, Mario Confente, ArcelorMittal Gandrange R&D-Long Carbon Bars and Wires, France

Development of AFP steels to achieve improved properties 195 Karola Klenke, Rainer Kohlmann, Frank Wilke, Deutsche Edelstahlwerke GmbH, Germany New concepts for long products 204

New multiphase steels with excellent machinability 205 Hans Roelofs, Ulrich Urlau, Swiss Steel AG, Mirkka Lembke, Guido Olschewski, SteeltecAG, Switzerland

The sulfur content of steel as determining factor of cutting processes 212 Dirk Biermann, Klaus Weinert, Fabian Felderhoff, Markus Heilmann, Institute of Machining Technology, Technische Universität Dortmund, Germany

Simulating surface treatment processes and durability of steel components 220 Helmut Dannbauer, Markus Kaltenböck, Christian Gaier, Magna Powertrain Engineering Center Steyr, Austria

Press-hardened steel in automotive applications II 221

phs-ultraform®, the way to meet 1500 MPa and corrosion protection intheBIW 222 Karl Radlmayr, voestalpine Automotive Holding GmbH, Thomas Manzenreiter, Josef Faderl, voestalpine Stahl GmbH, Dieter Hartmann, Andreas Sommer, voestalpine Polynorm Grau, Thomas Dopler, voestalpine AG, Austria

Influence of press forming conditions on the shape fixability of hot stamped hat-type parts 230 Takehide Senuma, Yoshito Takemoto, Okayama University, Japan

Innovative press hardened steel (Usibor1500P and Ductibor500P) based laser welded blanks Solutions for improved weight savings and crash safety management 236 Aurelien Pic, Daniel Duque Munera, Francis Schmit, ArcelorMittal R&D, Fabrice Pinard, Noble International, France

XII New forming technologies 244

Manufacturing of hump plate walls by innovative forming techniques and fields of application in commercial lightweight Utility vehicles 245 Boris Rauscher, Hossein Karbasian, Michael Trompeter, A. Erman Tekkaya, Institute of Forming Technology and Lightweight Construction, Germany

Development of a tailored hydroformed B-pillar in consideration of the forming history 253 Marcus Urban, Gerhard Hirt, Institute ofMetal Forming RWTH Aachen University, Henning Wallentowitz, Rene Henn, Institute of Automotive Engineering RWTH Aachen University, Germany

Experimental and numerical investigations into the forming of tailored strips and tailored tubes 261 Stefan Junk, Philip Zewe, Stefan Schwindling, Eberspächer GmbH & Co. KG, Germany

Modern steel design - High strength steel plates for commercial vehicles 269 Andreas Kern, Hermann Lücken, Udo Schriever, Hans-Jürgen Kaiser, ThyssenKrupp Steel AG, Germany

Advanced properties of long products 277

IQ (isotropic quality) steels for gear wheel applications 278 Cornelius Temmel, Nils-Gunnar Ingesten, Volvo Powertrain Corporation, Birger Kaiisson, Chalmers University of Technology, Sweden

The optimisation of the steel grade 8CrMo16 for automotive applications 286 Andre Bennekom, Christiane Reinhard, Frank Wilke, Deutsche Edelstahlwerke GmbH, Germany

Semi-Hot Precision Forging of Connecting Rods 294 Andre Wagner, Bernd Lorenz, Reimund Neugebauer, Fraunhofer Institute for Machine Tools and Forming Technology IWU, Germany

Substitution possibilities for stainless steels in the automotive industry 302 Andre van Bennekom, Norbert Major, Frank Wilke, Martin Schäffler, Deutsche Edelstahlwerke GmbH, Germany

XIV Material properties and quality aspects 313

Magnetic properties of stainless steels: applications, opportunities and new developments 314 Pierre-Emmanuel Dubois, Marc Mantel, UGITECH, France, Denis Fofanov, Andre van Bennekom, Frank Wilke, Deutsche Edelstahlwerke GmbH, Germany

Material selection criteria relating to the fatigue life and endurance limits of modern bearing steels used in the automotive industry 321 Sven Kunow, Andre van Bennekom, Frank Wilke, Deutsche Edelstahlwerke GmbH, Germany

Quality assurance measures for compliance with specifications in deliveries of engineering steels 329 Karola Klenke, Frank Wilke, Deutsche Edelstahlwerke GmbH, Germany

The quality of case hardening steels - Just by chance or systematic approach? Quality management procedures and benefits at ZF Friedrichshafen AG 337 Dieter Wiedmann, Thomas Blum, Stefan Hock, ZF Friedrichshafen AG, Germany

Welding technologies 346

Remote laser welding at Volkswagen 347 Thorge Hammer, Volkswagen AG, Germany

Adaptive weld control as innovative production technology in volume production 350 Micha Bertsch, Michael Ruther, Daimler AG, Germany

Application of ultra high strength steel in the automotive processing chain 354 Thomas Franz, Volkswagen AG, Germany

Estimation of the applicability of local strength approaches for the fatigue assessment of arc welded components in vehicle construction 358 Ekke Hanssen, Martin Vogt, Tim Welters, Klaus Dilger, Institute ofJoining and Welding Technique, Technical University of Braunschweig, Germany

XVI Joining technologies 367

Controlled Short arc technology - A new method for processing heat sensitive materials 368 Johannes Wilden, Simon Jahn, Sebastian Reich, Sebastian Dal-Canton, TU , Institut für Werkzeugmaschinen und Fabrikbetrieb, Sven-Frithjof Goecke, EWM, Germany

Induction assisted welding methods for high strength steels , 376 Martin Mach, Holger Schülbe, Bernard Nacke, Institute for Electrothermal Processes, Leibniz University of Hannover, Germany

Characterization of induction assisted welds in high strength steel grades 383 Andres Guio, H. Pinto, A. Pyzalla, Max Planck Institut für Eisenforschung GmbH, A. Jahn, J. Standfuß, Fraunhofer Institute for Material and Beam Technology IWS, Germany

RIVTAC®-Anewdimension in joining 384 Gerson Meschut, Torsten Draht, Wilhelm Böllhoff GmbH & Co. KG, Germany

Product and process development for new coatings 390

Thinner zinc based coatings with improved corrosion protection - a contradiction? 391 Josef Faderl, Gerhard Angeli, Siegfried Kolnberger, Gerald Luckeneder, Alexander Tomandl, voestalpine Stahl GmbH, Austria

A product-process breakthrough for a new zinc coating generation for automobile 392 Alain Besseyrias, Daniel Chaleix, Jacques Petitjean, ArcelorMittal, France

ZMg EcoProtect - a new type of alloy coating for automotive applications 400 Jens Sommer, Wilhelm Warnecke, Dortmunder Oberflächencentrum GmbH, Erich Nabbefeld-Arnold, Bernhard Osburg, ThyssenKrupp Steel, Germany

MOCVD deposition of aluminium layers and their thermal post treatment 405 Simon Oberhauser, difcon GmbH, Christoph Strobl, FH Ingolstadt, Jörg Heller, inncoa GmbH, Germany

XVIII Surface engineering 406

Effect of internal oxidation layer formed during recrytallization annealing on selective surface oxidation behavior of Si, Mn bearing high-strength sheet steels 407 Yoshitsugu Suzuki, Yoshiharu Sugimito, Sakae Fujita, JFE Steel Corp., Japan

Topographical assessment of automotive hot-dip galvanizing steel Sheets for exposed body panel application 415 Young-Min Choi, Hoh-Sup Noh, Hong-Woo Lee, POSCO, Korea

Extreme loadson exhaust decoupling elements 424 Bernd Seeger, Carlo Burkhardt, Rene Rösler, Witzenmann GmbH, Germany

Cold roll cladding of steel for automotive applications 431 Matthias Koehler, Guido Nicolini, Wickeder Westfalenstahl GmbH, Germany

Application orientated development of AHSS 439

Properties and application of multiphase steels with Special focus on hot rolled martensitic steels 440 Brigitte Hammer, Thomas Heller, Günter Stich, ThyssenKrupp Steel AG, Germany

Docol Roll - Extra and ultra high strength steels specially developed for roll forming 448 Björn , SSAB Swedish Steel GmbH, Steen Maulitz, JensenAS, Tomas Jansson, IVF, Germany

Dual-phase and complex-phase steels: AHSS Material for a wide ränge of applications 456 Thomas Hebesberger, Andreas Pichler, Heinrich Pauli, Sabine Ritsche, voestalpine Stahl GmbH, Austria

XX Steels with very high strength 464

Galvanised complex-phase TS800 steel 465 Päivi Tamminen, Rautaruukki Oyj, Mahesh Somani, L.P. Karjalainen, University of Oulu, Department of Mechanical Engineering, Johanna Hiljanen, Rautaruukki Oyj, Finland

Effect of Nb content and process Parameters on the mechanical properties of cold rolled HSLA steel sheets for automotive parts 473 Roberto Bruna, Diego Alcoba, Julio Machado, Ternium Siderar, Argentina

Ultra high strength hot rolled steel strip - A contribution to increase the payload oftrucks 485 Christian Schmaranzer, Martin Klein, Helmut Spindler, Rudolf Rauch, Wolfgang Lindner, Peter Stiaszny, voestalpine Stahl GmbH, Austria

Development and release processes for new steel grades 493

Complex-phase steel from the casting-rolling plant of ThyssenKrupp Steel 494 Eberhard C. Sowka, Herbert Eichelkraut, Jörg Mertens, Günter Stich, ThyssenKrupp Steel AG, Germany

Reduced time to market for new steels by defining a material approval process 503 Gregor Steinbeck, Thomas Heller, ThyssenKrupp Steel AG, Günther Deinzer, AG, Germany

Improved characterization of formability for sheet steels 510 Sebastian Münstermann, Vitoon Uthaisangsuk, Ulrich Prahl, Wolfgang Bleck, Department ofFerrous Metallurgy, IEHK-RWTH Aachen University, Germany

Experimental study on the material response of sheet steel under the tensile impact loading and after pre-strain 520 Jian Fang, Chen ü, Baosteel Research Institute, Baoshan Iron & Steel Co., Ltd., China

XXII Simulation studies 528

Methodology for springback control in stamping of AHSS 529 Philipp Hein, Guillaume Mercuzot, Jean-Marc Devin, ArcelorMittal R&D, Dominique Fouques, ArcelorMittal Automotive Worldwide, France

Using coupled FEM simulations for improvements of crash-relevant automotive parts by local hardening 537 Jörn Lütjens, Martin Hunkel, Stiftung Institut für Werkstofftechnik (IWT), Uwe Scholl, SCAI, Mathias Waedt, Thomas Wallmersperger, ISD, Robert Schilling, Ford, Germany

Simulation of mechanical properties based on microstructure for dual phase steels 546 Corinna Thomser, Ulrich Prahl, Wolfgang Bleck, Department of Ferrous Metallurgy, IEHK-RWTH Aachen University, Germany, Henk Vegter, Corus RD&T, The Netherlands

The influence of deformation and baking on the Young's modulus of modern steels for automotive applications , 552 Michael Borsutzki, Harald Hofmann, ThyssenKrupp Steel AG, Klaus Lempenauer, Daimler AG, Germany

XXIII