SUPER HIGH STRENGTH PLATED STEEL SHEET HAVING TENSILE STRENGTH OF 1300 MPA OR MORE, AND MANUFACTURING METHOD THEREFOR

The present invention relates to a super high strength plated steel sheet used in a vehicle, etc. and, more specifically, to a super high strength plated steel sheet having a tensile strength of 1300 MPa or more, and a manufacturing method therefor. According to the present invention, it is possible...

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Bibliographische Detailangaben
Hauptverfasser:	CHOO, SE-DON, SIN, DONG-SEOUG, RYU, JOO-HYUN, LEE, KYOO-YOUNG, MIN, SIM-KUN
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present invention relates to a super high strength plated steel sheet used in a vehicle, etc. and, more specifically, to a super high strength plated steel sheet having a tensile strength of 1300 MPa or more, and a manufacturing method therefor. According to the present invention, it is possible to provide a super high strength plated steel sheet in which cracks on an edge portion do not occur after slitting and winding processes. La présente invention concerne une feuille d'acier plaquée à très haute résistance utilisée dans un véhicules et autres et, plus spécifiquement, une feuille d'acier plaquée à très haute résistance présentant une résistance à la traction de 1 300 MPa ou plus, ainsi qu'un procédé de fabrication associé. Selon la présente invention, il est possible de fournir une feuille d'acier plaquée à très haute résistance dans laquelle des craquelures sur une partie de bord ne se produisent pas après des processus de découpage et d'enroulement. 본 발명은 자동차 등에 사용되는 초고강도 도금강판에 관한 것으로, 보다 상세하게는 인장강도 1300MPa 이상의 초고강도를 갖는 도금강판 및 이의 제조방법에 관한 것이다. 본 발명에 의하면, 슬리팅 및 권취 공정 이후에 에지(edge)부 크랙 발생이 없는 초고강도 도금강판을 제공할 수 있다.