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Acciaio-class submarine

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Adapted from the English Wikipedia article Acciaio-class submarine, available under CC BY-SA 4.0Updated 29 November 20253 sources
Acciaio class submarine
Company typeSubmarine class
IndustryNaval shipbuilding
FoundedEarly 1940s
Headquarters
Italy
ProductsCoastal submarines


Template:Infobox ship class overview The Acciaio class submarine[1][2]—occasionally referred to as the Platino class[3]—constituted the fifth subclass within the Italian 600 Series submarines of coastal submarines constructed for the Regia Marina. These vessels were finalized in the early 1940s and actively participated during World War II.

Design and description

Derived from the earlier Adua and Perla models, the Acciaio class introduced enhancements such as a reduced-height conning tower to boost stability and minimize visibility.[2] Among the thirteen submarines produced, six were constructed by Cantieri Riuniti dell' Adriatico (CRDA) located in Monfalcone, four by Oto Melara (OTO) at Muggiano, and three by Cantieri navali Tosi di Taranto (Tosi) in Taranto, representing Italy’s principal submarine shipyards. These vessels featured a single-hull design with external side tanks, following a Bernardis blueprint; however, the units built by Tosi were equipped with more powerful engines, which came at the cost of removing the two stern torpedo tubes, resulting in a surface speed reaching 14.7 knots (27.2 km/h; 16.9 mph).

The term Acciaio translates to "steel" in English, and all submarines in this series were named after various metals and minerals.

Ships

Catalogue of Acciaio-class submarines
Vessel Shipyard Launch Date Outcome
Acciaio OTO 20 July 1941 sunk by torpedo on 13 July 1943 from HMS Unruly
Alabastro CRDA 18 December 1941 destroyed by bombing on 14 September 1942 by Allied aircraft
Argento Tosi 22 February 1942 sunk on 3 August 1943 by USS Buck
Asteria CRDA 25 June 1941 sunk on 17 February 1943 by HMS Easton and HMS Wheatland
Avorio CRDA 6 September 1941 sunk on 8 February 1943 by HMCS Regina
Bronzo Tosi 28 September 1941 seized on 12 July 1943 by British destroyers
Cobalto OTO 20 July 1941 rammed and disabled on 12 August 1942 by HMS Ithuriel
Giada CRDA 10 July 1941 surrendered following armistice in September 1943
Granito CRDA 7 August 1941 torpedoed on 9 November 1942 by HMS Saracen
Nichelio OTO 12 April 1942 surrendered at armistice in September 1943
Platino OTO 1 June 1941 surrendered at armistice in September 1943
Porfido CRDA 23 August 1941 torpedoed on 6 December 1942 by HMS Tigris
Volframio Tosi 9 November 1941 scuttled during armistice in September 1943; later salvaged by Germans and subsequently sunk in a Allied air raid in 1944

Service

Out of the thirteen submarines completed, eight were lost during combat operations. These vessels primarily operated within the Mediterranean theater.

See also

Notes

  1. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named conway
  2. ↑ 2.0 2.1 Cite error: Invalid <ref> tag; no text was provided for refs named bagnasco
  3. ↑ C Adamo at regiamarina.net

Bibliography

  • Bagnasco, Erminio. Submarines of World War Two. Annapolis, Maryland: Naval Institute Press, 1977. ISBN 0-87021-962-6.
  • Brescia, Maurizio. Mussolini's Navy: A Reference Guide to the Regina Marina 1930–45. Annapolis, Maryland: Naval Institute Press, 2012. ISBN 978-1-59114-544-8.
  • Chesneau, Roger (ed.). Conway's All the World's Fighting Ships 1922–1946. London: Conway Maritime Press,1980. ISBN0-85177-146-7.
  • Dodson, Aidan & Cant, Serena. Spoils of War: The Fate of Enemy Fleets after Two World Wars. Barnsley, UK: Seaforth Publishing,2020. ISBN978-1-5267-4198-1.
  • Frampton, Viktor. "Question22/44: HMS X-2". Warship International, vol. XLVII, no.3,2010, p.218. ISSN0043-0374.

External links

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