"Jim Adney" wrote in message
...
On Mon, 20 Dec 2004 03:31:30 GMT "James Sweet"
wrote:

IIRC the steel itself fractured, it had a high sulphur content and was
especially brittle in the frigid water.

Are you sure you're not thinking of the WW II Liberty Ships? They had
some kind of cold transition problem, at least early in the war.

Someone else will have to fill in the details on that.



I did a quick Google search to refresh my memory, appears that high sulphur
as well as high phosphorus were at least contributing factors. Fascinating
at any rate.
http://dwb.unl.edu/Teacher/NSF/C10/C.../aa022800a.htm