Penguin
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As opposed to Carbon steels, Aluminium is very susceptible to fire..though it does not catch fire..Aluminium alloy looses its strength at much lower temperature steel.
One of the reasons why two Amazon class frigates were lost in Faklands war..was their entire superstructure made Aluminium.
After the war these frigates were disposed off quickly..even though they only had served about a decade in Royal Navy, bought by Pakistani Navy and pressed in to service as destroyers.
While agreeing on the observations on the use of aluminium, the two Amazon frigates that were lost were NOT lost due to their structure being of this metal.
Ardent was hit by bombs dropped by Argentine aircraft on 21 May and was consumed by fire (damage control teams killed by
bombs) ;
http://en.wikipedia.org/wiki/HMS_Ardent_(F184)
Antelope was hit by bombs on 23 May, one of which was set off by the bomb disposal team attempting to defuse it on 24 May, causing the ship to catch fire, setting off her magazines resulting in her breaking her back and sinking.
http://en.wikipedia.org/wiki/HMS_Antelope_(F170)
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