Continuous casting method for the production of rolled low carbo

Details Continuous casting method for the production of rolled low carbo Continuous casting method for the production of rolled low carbo

1976-03-31

1977-05-24

Mehr, Milton S.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

164 57, B22D 2720

Patent

active

040246248

ABSTRACT:
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 1/8 pound magnesium, per ton of steel cast, 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.

REFERENCES:
patent: R27447 (1972-08-01), Richards
patent: 3367395 (1968-02-01), Karsay
patent: 3819365 (1974-06-01), McCaulay et al.
patent: 3850624 (1974-11-01), Hulit et al.
patent: 3911993 (1975-10-01), Caudill et al.

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