Blast furnaces Carmen (named after Carmen Polo, Franco’s wife), Joaquina, Rosario and Carmen IV in Aviles, Spain. Later called blast furnaces 1-4.
The furnaces were built in between 1957 and 1969 by the public enterprise ENSIDESA (Empresa Nacional Siderúrgica Sociedad Anónima). Hearth diameter was 8,69-8,99 meter.
Furnace 1&2 were shut down in1989 and furnaces 3&4 in the mid 1990ies after the hot metal production was translocated to the newer furnaces in Gijon.
By 2001 all furnaces were dismantled.