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公开(公告)号：EP2980228A1
公开(公告)日：2016-02-03
申请号：EP14776303.1
申请日：2014-01-29
发明人： PARK, Jin-Sung , KANG, Chun-Ku , GOO, Nam-Hoon , KIM, Seong-Ju
CPC分类号： C21D8/0263 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/0205 , C21D8/0221 , C21D8/0226 , C21D8/0236 , C21D8/0247 , C21D9/46 , C21D2211/005 , C21D2211/008 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/18 , C22C38/22 , C22C38/34 , C22C38/38
摘要： Disclosed are a steel sheet having excellent and a method for producing the same. The disclosed steel sheet comprises, by weight, 0.005-0.06% carbon (C), 0.2% or less silicon (Si), 1.0-2.0% manganese (Mn), 0.01% or less sulfur (S), 0.2-2.0% aluminum (Al), one or more of chromium (Cr) and molybdenum (Mo) in an amount satisfying 0.3 ≤ [Cr wt%]+0.3[Mo wt%] ≤ 2.0, and 0.008% or less nitrogen (N), with the remainder being iron (Fe) and inevitable impurities, wherein the density of dislocations in the ferrite matrix of the steel sheet is 1x10 13 /m 2 or more.
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公开(公告)号：EP2980227A1
公开(公告)日：2016-02-03
申请号：EP14776129.0
申请日：2014-01-29
发明人： KANG, Chun-Ku , PARK, Jin-Sung , GOO, Nam-Hoon , KIM, Seong-Ju
CPC分类号： C21D8/0273 , B21B3/00 , C21D1/84 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0263 , C21D9/46 , C21D2211/005 , C21D2211/008 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/38
摘要： Disclosed herein are a steel sheet having excellent aging resistance and low yield ratio properties, and a method for producing the same. The disclosed sheet comprises, by weight, 0.005-0.06% carbon (C), 0.2% or less silicon (Si), 1.0-2.0% manganese (Mn), 0.08% or less phosphorus (P), 0.01% or less sulfur (S), 0.2-2.0% aluminum (Al), one or more of chromium (Cr) and molybdenum (Mo) in an amount satisfying 0.3 ≤ [Cr wt%]+0.3[Mo wt%] ≤ 2.0, and 0.008% or less nitrogen (N), with the remainder being iron (Fe) and inevitable impurities, and has a single-phase structure of ferrite in a hot-rolled state, and a two-phase structure of ferrite and martensite in a cold-rolled state.
摘要翻译： 这里公开了具有优异的耐老化性和低屈服比性质的钢板及其制造方法。 所公开的片材包含0.005-0.06％的碳（C），0.2％或更少的硅（Si），1.0-2.0％的锰（Mn），0.08％或更少的磷（P），0.01％或更少的硫 S），0.2-2.0％的铝（Al），铬（Cr）和钼（Mo）中的一种或多种，其量满足0.3‰[Cr wt％] + 0.3 [Mo wt％]‰2.0和0.008 ％以下的氮（N），余量为铁（Fe）和不可避免的杂质，具有热轧状态的铁素体的单相结构，在冷轧状态下具有铁素体和马氏体的两相结构， 轧制状态。
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公开(公告)号：EP2980228B1
公开(公告)日：2019-01-09
申请号：EP14776303.1
申请日：2014-01-29
发明人： PARK, Jin-Sung , KANG, Chun-Ku , GOO, Nam-Hoon , KIM, Seong-Ju
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公开(公告)号：EP2980227A8
公开(公告)日：2016-04-13
申请号：EP14776129.0
申请日：2014-01-29
发明人： KANG, Chun-Ku , PARK, Jin-Sung , GOO, Nam-Hoon , KIM, Seong-Ju
CPC分类号： C21D8/0273 , B21B3/00 , C21D1/84 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0263 , C21D9/46 , C21D2211/005 , C21D2211/008 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/38
摘要： Disclosed herein are a steel sheet having excellent aging resistance and low yield ratio properties, and a method for producing the same. The disclosed sheet comprises, by weight, 0.005-0.06% carbon (C), 0.2% or less silicon (Si), 1.0-2.0% manganese (Mn), 0.08% or less phosphorus (P), 0.01% or less sulfur (S), 0.2-2.0% aluminum (Al), one or more of chromium (Cr) and molybdenum (Mo) in an amount satisfying 0.3 ≤ [Cr wt%]+0.3[Mo wt%] ≤ 2.0, and 0.008% or less nitrogen (N), with the remainder being iron (Fe) and inevitable impurities, and has a single-phase structure of ferrite in a hot-rolled state, and a two-phase structure of ferrite and martensite in a cold-rolled state.
摘要翻译： 本文公开了具有优异的耐老化性和低屈服比性能的钢板及其制造方法。 所公开的片材包含按重量计0.005-0.06％的碳（C），0.2％或更少的硅（Si），1.0-2.0％的锰（Mn），0.08％或更少的磷（P），0.01％或更少的硫（ S），0.2-2.0％铝（Al），铬（Cr）和钼（Mo）中的一种或多种，其量为0.3≤[Cr wt％] + 0.3 [Mo wt％]≤2.0，或0.008％ 更少的氮（N），其余为铁（Fe）和不可避免的杂质，具有热轧状态的铁素体单相组织和冷轧态的铁素体和马氏体两相组织 。
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