5,470.403 6,143,100 6,210,496 6,221, 179 6,312,536 6,423.426 6,440,584 6,537,394
6,641,931 6,666,932 6,673,171 6,676,774 6,702,904 6, 706419 6,709,535 6,726,782 …

(57) ABSTRACT A steel sheet having (a) a dual phase microstructure with a martensite
phase and a ferrite phase and (b) a composition containing by percent weight: 0.01% to …

A multi-phase steel sheet having microstructure having in combination ferrite, martensite of
between 3% and 65% by volume, and at least one microstructure selected from the group …

4,770,719 4,854,976 5,123,969 5,312,493 5,328,528 5,454,887 5,470.403 6,143,100
6,210,496 6,221, 179 6,312,536 6,423.426 6,440,584 6,537,394 6,641,931 6,666,932 …

0001. The present invention is directed to a dual phase structured (ferrite/martensite) steel
sheet product and a method of producing the same. In particular, the steel sheet has an …

A method of producing cold rolled and annealed dual phase high strength steel sheets, and
sheets produced by the method, including hot dip galvanized and galvannealed steel sheets …

(57) ABSTRACT A steel sheet having (a) a dual phase microstructure with a martensite
phase and a ferrite phase and (b) a composition containing by percent weight: 0.01 sCs0. 2 …

A steel sheet having (a) a dual phase microstructure with a martensite phase and a ferrite
phase and (b) a composition containing by percent weight: 0.01≦ C≦ 0.2; 0.3≦ Mn≦ 3; …

A multi-phase steel sheet having microstructure having in combination ferrite, martensite of
between 3% and 65% by volume, and at least one microstructure selected from the group …

US8366844B2 - Method of making hot rolled dual phase steel sheet - Google Patents
US8366844B2 - Method of making hot rolled dual phase steel sheet - Google Patents Method of …