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INOSSIDABILE 236
phenomena. refurbishment, which was necessary for proper To be promptly notified about the releases of our
The types of stainless steel and delivery operation, replacing some obsolete parts made of quarterly, please write to:
conditions tested can be found on the technical traditional materials (carbon steel). redazione.inossidabile@centroinox.it
page. The observations made are reported within The first application consisted of the
the text; these are accompanied, for some replacement, in the province of Bari, of an old, PAGE 15
stainless steels and finishes, by three approximately 50metre long, carbon steel
photographs: the first shows the sample at the secondary inductor, in the form of pipeline DESIGNED TO LAST: THE BENEFITS OF
start of the test, while the others illustrate the bridge (DN 500), which was completely USING STAINLESS STEEL IN THE
surfaces after 3 and 7 months of exposure. deteriorated. For the replacement, a new pipeline INTEGRATED DRINKING WATER CYCLE
We thank PoliLaPP (Materials Corrosion bridge (DN 250, 8 mm thick), also 50 metres (Progettato per durare: i benefici dell’utilizzo
Laboratory “Pietro Pedeferri” of the Politecnico long, in EN 1.4404 (AISI 316L) stainless steel, dell’acciaio inossidabile nel ciclo integrato
di Milano) for the technical and photographic was installed. dell’acqua potabile)
material provided. The second intervention concerns the Centro Inox, on the occasion of the
replacement, in the province of Lecce, of old ACCADUEO trade fair (Bari, Nuova Fiera del
PAGE 11 partitions with coated carbon steel piping. The Levante 27 and 28 November 2024), with the
renovation of these pipelines was planned by support of Isle Utilities and Consorzio Stabile
TUBES FOR EXHAUST SYSTEMS laying pipes and fittings in EN 1.4301 (AISI Grifone and with the patronage of the Nickel
(Tubi per impianti di scarico) 304), EN 1.4307 (AISI 304L) or EN 1.4404 Institute, IMOA, Team Stainless and
Car exhaust systems are an assembly of different (AISI 316L) stainless steels. Worldstainless, organises the meeting “Designed
components made of stainless steel. The grades Realization: Acquedotto Pugliese SpA to last: the benefits of using stainless steel in the
used can vary, depending both on the component Industrial Direction: I70123 Bari BA Viale integrated drinking water cycle”.
and on the type of car for which it is intended. Vittorio Emanuele Orlando 8, phone: +39 080 Participation in the meeting is free of charge,
In the case of large and sports cars, the various 5723111, servizi.tecnici@pec.aqp.it, www.aqp.it subject to booking a place in the room at:
components in the exhaust system are made of eventi@centroinox.it. The meeting programme is
stainless steel but belonging to different families. PAGE 14 available at www.centroinox.it
For those operating at higher temperatures, such To obtain a free entrance ticket to the fair:
as manifolds, EN 1.4307 (AISI 304L), EN ADVANCED STUDY AND UPDATE DAYS: https://www.accadueo.com/it/Visitare/Ticket
1.4541 (AISI 321) or EN 1.4828 stainless steels THE WELDING OF STAINLESS STEELS online
are used. For the central connection pipe, EN (Giornate di studio avanzate e di For further information: eventi@centroinox.it
1.4509 ferritic stainless steel, commercially aggiornamento: LA SALDATURA DEGLI phone: +39 02 86450559
known as “441”, is usually used instead. The ACCIAI INOX)
exhaust pipe is still in “441” in the case of the Istituto italiano della saldatura Guerrera Room PAGE 16
powerful and titled German cars, while for (Genova Lungobisagno Istria, 15A)
smaller cars EN 1.4510 (type 439) or EN 1.4512 19 and 20 November 2024 “STAINLESS” EVEN IN DESIGN
(AISI 409) ferritic stainless steel are usually Centro Inox and Istituto Italiano della Saldatura (Inossidabile anche nel design)
used. IIS (Italian Institute of Welding) organise two The article presents “Planetarium”, a set of
High frequency (HF) welding is usually used in advanced study and update days on the subject bowls for food (but not only) designed and
the manufacture of exhaust pipes; however, laser of “welding stainless steels”. produced from the 1980s onwards, characterised
welding is required for special applications. The The aim of this meeting is to offer the technical by lines that still remain extremely valid and up
surface finish of exhaust systems is typically that audience involved in the sector an indepth look todate, and made entirely of EN 1.4301 (AISI
of the starting material. However, in the case of at some aspects that are considered very 304) stainless steel.
“visible” parts, polishing may be required. important and that bind any type of industry It is a set comprising 8 bowls of various
Tube production for exhaust systems: Tubificio working with stainless steel welded elements. diameters (45, 65, 90, 115, 145, 180, 220 and
di Terni Srl I05100 Terni TR Strada di The days are divided into four modules, which 260 mm), which combine with each other to
Sabbione 91/A, phone: +39 0744 8081, can be separately attended. During the days, form a single object. The bowls fit perfectly
www.acciaiterni.it there will be visits to the laboratories of the inside each other, forming a single object that
Istituto Italiano della Saldatura. becomes a single centrepiece, a sculpture.
PAGES 12/13 For further information: IIS Organising The article describes in detail the different
Secretariat Ms. Ivana Limardo production phases, which include the drawing of
THE IMPORTANT ROLE OF STAINLESS email: ivana.limardo@iis.it, phone: +39 010 the disc, the work on the upper part of the rim
STEEL IN THE RENOVATION OF 8341.373, cell phone: +39 335 7416424 and the final stages of washing and polishing.
DRINKING WATER PLANTS To download the full programme and for Realisation: Zani Serafino Srl I25065
(L’importante ruolo dell’inox nel registrations: https://www.iis.it/it/lasaldatura Lumezzane Gazzolo BS Via Zanagnolo 17/b,
risanamento di impianti per acqua potabile) degliacciaiinoxgiornatedistudioavanzatee phone: +39 030.871861, info@serafinozani.it,
In recent years, to solve the problem of drinking diaggiornamento www.serafinozani.it / Designer: Liliana Bonomi
water scarcity, water utilities have been working
to renovate obsolete plants, or to build new ones 2025 SUBSCRIPTION CAMPAIGN CENTRO INOX
with innovative materials, especially from the (Campagna abbonamenti 2025) The Italian Stainless Steel
durability point of view. In the news, you can find out how our Italian Development Association
To this end, the article reports two application Readers can subscribe to the print version of Via Rugabella, 1 I20122 Milano Italy
examples of renovations in drinking water Inossidabile for the year 2025. Please note that Telephone +39 02 86450559 +39 02 86450569
distribution plants carried out by AQP starting this year our Italian and foreign Readers Fax +39 02 86983932
redazione.inossidabile@centroinox.it
Acquedotto Pugliese (the Puglia region's water can read and download the digital version of our www.centroinox.it
utility) in its territory. AQP opted for stainless magazine free of charge from the Centro Inox The subscription to the quaterly INOSSIDABILE,
steel in the choice of components for the website. outside Italy, is free of charge.
