HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT IMPACT RESISTANCE, AND METHOD FOR MANUFACTURING SAME

• Main Authors: SEO, Seok-Jong, KIM, Sung-Il
• Format: Patent
• Language: English; French; Korean
• Published: 27.06.2019
• 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 relates to material utilized for heavy construction machinery, vehicle frames, reinforcing members, and the like, and more specifically to a high-strength steel sheet having excellent impact resistance and a method for manufacturing same. La présente invention concerne un matériau utilisé pour des machines de construction lourde, des châssis de véhicule, des éléments de renfort et analogues, et plus particulièrement une tôle d'acier à haute résistance présentant une excellente résistance aux chocs et son procédé de fabrication. 본 발명은 건설 중장비, 상용차 프레임, 보강재 등에 사용되는 소재에 관한 것으로서, 보다 상세하게는 내충격특성이 우수한 고강도 강판과 이를 제조하는 방법에 관한 것이다.