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La Metallurgia Italiana

International Journal of the Italian Association for Metallurgy

Organo ufficiale dell’Associazione Italiana di Metallurgia. HouseorganofAIMItalianAssociationforMetallurgy. Rivista fondata nel 1909

Direttore responsabile/Chiefeditor: Mario Cusolito

Direttore vicario/Deputydirector: Gianangelo Camona

Comitato scientifico/Editorialpanel: Marco Actis Grande, Silvia Barella, Paola Bassani, Christian Bernhard, Massimiliano Bestetti, Wolfgang Bleck, Franco Bonollo, Irene Calliari, Mariano Enrique Castrodeza, Emanuela Cerri, Vlatislav Deev, Andrea Di Schino, Donato Firrao, Bernd Kleimt, Carlo Mapelli, Denis Jean Mithieux, Roberto Montanari, Marco Ormellese, Mariapia Pedeferri, Massimo Pellizzari, Barbara Previtali, Evgeny S. Prusov, Dario Ripamonti, Dieter Senk

Segreteria di redazione/Editorialsecretary: Marta Verderi

Comitato di redazione/Editorialcommittee: Federica Bassani, Gianangelo Camona, Mario Cusolito, Carlo Mapelli, Federico Mazzolari, Marta Verderi, Silvano Panza

Direzione e redazione/Editorialandexecutiveoffice: AIM - Via F. Turati 8 - 20121 Milano tel. 02 76 02 11 32 - fax 02 76 02 05 51 met@aimnet.it - www.aimnet.it

Reg. Trib. Milano n. 499 del 18/9/1948. Sped. in abb. Post. - D.L.353/2003 (conv. L. 27/02/2004 n. 46) art. 1, comma 1, DCB UD

Immagine in copertina: Shutterstock

Gestione editoriale e pubblicità Publisher and marketing office: siderweb spa

Via Don Milani, 5 - 25020 Flero (BS) tel. 030 25 400 06 - fax 030 25 400 41 commerciale@siderweb.com - www.siderweb.com siderweb spa è iscritta al Roc con il num. 26116

La riproduzione degli articoli e delle illustrazioni è permessa solo citando la fonte e previa autorizzazione della Direzione della rivista. Reproduction in whole or in part of articles and images is permitted only upon receipt of required permission and provided that the source is cited.

Editoriale / Editorial

Editoriale

A cura di Silvano Panza...... . pag.05

Memorie scientifiche / Scientific papers Laminazione/ Rolling

Design of graphitic lubrication processes for mandrels intended to produce seamless tubes A. Tavasci, F. Arizzi ................................................................................................................................................. pag.08

Pioneering cold rolling of AHSS and electrical steel K. Krimpelstaetter, R. Kellermayr, M. Bergmann ................................................................................................ pag.14

Metallurgical design of X60 – X70ME steels for gas and hydrogen transport pipes M. Guagnelli, G. Malatesta .................................................................................................... pag.24

Effect of Si-Cr-Mo element addition on oxidation characteristics and surface quality of cold rolled duplex steel C. Wang, Y. Yu, K. Liu, L. Wang, Z. Guo, T. Niu ............................................................................... pag.30

Attualità industriale / Industry news ABS QWR 4.0 quality from the start: new rolling mill concept and scale free furnace enhanced operational performance, sustainability and product quality edited by: M. Cimolino, F. Rocchetti, E. Salamone................................................................................................. pag.42

Intelligent guides and BMS for bar mills edited by: S. Capra, E. Galeazzo .............................................................................................. pag.48

4th PQF® generation – New horizons for seamless tube production edited by: M. Leferink........................................................................................................ pag.53

New autonomous mechanical system for trimming and sampling wire rod coils edited by: J. Nylander, G. Muscarà............................................................................................ pag.58

Finishing/Sizing Group with AGC system edited by: A. Nardini, D. Biagini, J.C. Timoteo Da Silva .......................................................................................... pag.63

The revolutionary MIDA Hybrid Minimill for a competitive green steel production edited by: J. Shuli, V. Collini....................................................................................................................................... pag.75

Abrasive Cut-Off Machines in modern rolling mills edited by: N. Asamer, S. Purrer ............................................................................................... pag.81

Le aziende di AIM/AIM's companies

Le politiche commerciali e industriali nella siderurgia tra Europa e Stati Uniti / Trade and industrial policies in steel industry between Europe and the United States

P. Cattaneo.................................................................................................................... pag.91

Scenari / Experts' Corner

Il principio di materialità nel reporting di sostenibilità

L. Mion pag.96

Rolling-12 - Interview with Danieli's CEO and Danieli Group's CTO pag.98

Atti e notizie / AIM news

Rolling-12 summary - Berger pag.100

Eventi AIM / AIM events pag.101 Comitati tecnici / Study groups pag.103 Normativa / Standards ............................................................................................... pag.106

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