First X80 pipeline section in Italy First X80 （首先在意大利第一X80 X80管道部分）.pdf

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First X80 pipeline section in Italy First X80 （首先在意大利第一X80 X80管道部分）.pdf

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First X80 pipeline section in Italy First X80 （首先在意大利第一X80 X80管道部分）

First X80 pipeline section in Italy First X80 pipeline section in Italy First X80 pipeline section in Italy First X80 pipeline section in Italy L. Bacchi Snam Rete Gas, San Donato Milanese, Italy L. Barsanti Snam Rete Gas, San Donato Milanese, Italy H.-G. Hillenbrand Europipe GmbH, Mülheim, Germany E. Muthmann Mannesmannröhren Mülheim, Mülheim, Germany PRCI/EPRG/APIA, Technical Conference May 15 - 20, 2005 Orlando, USA TP65 EUROPIPE. The world trusts us. FIRST X80 PIPELINE SECTION IN ITALY L. Bacchi, L. Barsanti Snam Rete Gas, Viale De Gasperi 2 20097 – San Donato Milanese - Italy H.G. Hillenbrand EUROPIPE GmbH Wiesenstrasse 36 45473 Muelheim an der Ruhr Germany E. Muthmann Mannesmannroehren-Muelheim GmbH Wiesenstrasse 36 45473 Muelheim an der Ruhr ABSTRACT Snam Rete Gas decided for the first time to lay a pipeline section in L555MB (X80) steel in Italy as part of the TAP project on high strength steels, sponsored by ENI Group. This pipeline trunk, 10 km long, will be placed on the Enna-Montalbano line which, for the remaining part, will be built in X65, the maximum steel grade used till now by Snam Rete Gas. This paper presents information on the pipe and bend production and on the preliminary experimental activity performed for weldability and field bending items. 1 INTRODUCTION ENI group is working on a gas transportation project aimed to develop and verify the technology for a “LD- HC-HP-H