Cold rolled steel sheet having excellent dent resistance property galvanized steel sheet and method of manufacturing the same

• Main Authors: HUH SUNG YUL, YU HA YOUNG, JANG MIN HO, PARK YOUNG JOO, KANG CHUN KU, HAN SEONG KYUNG, KIM BYOUNG JIN
• Format: Patent
• Language: English; Korean
• Published: 06.07.2022
• Subjects: ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The present invention provides a dent-resistant cold-rolled steel sheet having an excellent dent-resistant property. According to one embodiment of the present invention, the dent-resistant cold-rolled steel sheet comprises 0.005-0.03 wt% of carbon (C), 1-2.5 wt% of manganese (Mn), 0.2-0.8 wt% of al...