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1.发明公开
公开(公告)号：EP4265792A1
公开(公告)日：2023-10-25
申请号：EP21906847.5
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention can provide: armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelasticity; and a manufacturing method therefor.
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2.发明公开
公开(公告)号：EP4265791A1
公开(公告)日：2023-10-25
申请号：EP21906846.7
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention may provide: an armored steel having high hardness characteristics and excellent low-temperature impact toughness, and thus capable of providing excellent ferroslasticity; and a method for manufacturing the armored steel.
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3.发明公开
公开(公告)号：EP4265788A1
公开(公告)日：2023-10-25
申请号：EP21906843.4
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention can provide a bullet-proof steel capable of providing excellent bullet-proof properties by having high hardness characteristics and excellent low-temperature impact toughness, and a method for manufacturing same.
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4.发明公开
公开(公告)号：EP4265787A1
公开(公告)日：2023-10-25
申请号：EP21906842.6
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention can provide armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelasticity, and a method for manufacturing same.
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5.发明公开
公开(公告)号：EP4265786A1
公开(公告)日：2023-10-25
申请号：EP21906841.8
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention can provide: armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelasticity; and a manufacturing method therefor.
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6.发明公开
公开(公告)号：EP4386104A1
公开(公告)日：2024-06-19
申请号：EP22856100.7
申请日：2022-08-03
申请人： POSCO Co., Ltd
发明人： KIM, Yong-Woo , CHO, Hyun-Kwan , BYUN, Young-Sub , CHO, Nam-Young , KIM, In-Ho
摘要： The present invention relates to high-hardness bulletproof steel having excellent low-temperature toughness, and a manufacturing method therefor. More specifically, the present invention relates to high-hardness bulletproof steel having excellent low-temperature toughness, and a manufacturing method therefor, the high-hardness bulletproof steel being preferably usable in an armored vehicle, an explosion-proof structure and the like.
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7.发明公开
公开(公告)号：EP4265793A1
公开(公告)日：2023-10-25
申请号：EP21906848.3
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention can provide armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelasticity, and a method for manufacturing same.
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8.发明公开
公开(公告)号：EP4265789A1
公开(公告)日：2023-10-25
申请号：EP21906844.2
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention may provide: an armored steel having high hardness characteristics and excellent low-temperature impact toughness, and thus capable of providing excellent ferroelasticity; and a method for manufacturing the armored steel.
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9.发明公开
公开(公告)号：EP4265790A1
公开(公告)日：2023-10-25
申请号：EP21906845.9
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention can provide armored steel and a method for manufacturing same, wherein the armored steel has excellent low-temperature impact toughness together with a high hardness property and as such, can provide excellent ferroelasticity.
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10.发明公开
公开(公告)号：EP4265785A1
公开(公告)日：2023-10-25
申请号：EP21906840.0
申请日：2021-11-04
申请人： POSCO Co., Ltd
发明人： YU, Seng-Ho , CHO, Nam-Young
摘要： The present invention can provide a bullet-proof steel capable of providing excellent bullet-proof properties by having high hardness characteristics and excellent low-temperature impact toughness, and a method for manufacturing same.
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