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SS ''Iron Knob'' was a Australian cargo ship of BHP Shipping. It was built by Poole & Steele Ltd of Adelaide, South Australia, in 1922 for the 
In its 32 years of service, it made 393 voyages between Newcastle and other Australian ports.
In 1955 it was sold to Panatiotis Vrangos of Italy, reregistered in Panama, and renamed SS ''Clarisse''. The ''Clarisse'' sank in heavy seas in the Indian Ocean near on 15 July 1957.
Australian Commonwealth Line
The Commonwealth Line was a shipping company owned and operated by the Australian federal government between 1916 and 1928. It was officially known as the Commonwealth Government Line of Steamers until 1923, and thereafter as the Australian Common ...
and initially named SS ''Euwarra''. It was sold to BHP Shipping in October 1923 and renamed ''Iron Knob'', becoming one of three "E" class steamships in BHP service.
In its 32 years of service, it made 393 voyages between Newcastle and other Australian ports.
In 1955 it was sold to Panatiotis Vrangos of Italy, reregistered in Panama, and renamed SS ''Clarisse''. The ''Clarisse'' sank in heavy seas in the Indian Ocean near on 15 July 1957.
References
1921 ships Iron and steel steamships of Australia Ships of BHP Shipping Maritime incidents in 1957 {{Merchantship-stub