brittle/ductile transition and the titanic - Page 2
2021-12-7u2002·u2002i came accross a book that basicaly sais: 1. the steel was not really a problem. they were 1-11/2'x 6'x30' plates out of inspected (board of trade) open hearth process steel. sulphur was 0.06-0.07% (aisi 1018 0.05 max.) and phosphorus even lower. the only metalurgical weakness was a low mangenese/sulphur ratio. it has a fracture toughness o nearly 60j in a …
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