B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/167, 53/365
B22D 27/20 (2006.01) B22D 11/11 (2006.01)
Patent
CA 1077675
ABSTRACT OF THE DISCLOSURE The relatively poor formability and spot weld fracture appearance of hot-rolled and heavy gauge cold-rolled low carbon steels (in which silicon is the primary deoxidant) have been attributed to manganese silicate stringer-type inclusions, generally found in this product. The addition of at least about 62.5 parts per million by weight of magne- sium is shown to modify this deleterious inclusion morphology, with a resultant improvement in the ductility and weldability of such hot-rolled and the heavy gauge cold-rolled products.
274003
Bassett James G. (jr.)
Gilbert Saul
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