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11. 发明申请

WO2012064129A3 METHOD FOR MANUFACTURING HIGH-STRENGTH COLD-ROLLED/HOT-ROLLED TRIP STEEL HAVING A TENSILE STRENGTH OF 590 MPA GRADE, SUPERIOR WORKABILITY, AND LOW MECHANICAL-PROPERTY DEVIATION 审中-公开
标题翻译：高强度冷轧/热轧TRIP钢的制造方法，该TRIP钢具有590MPa的拉伸强度，优异的可加工性和低的机械性能偏差
公开(公告)号：WO2012064129A3
公开(公告)日：2012-07-12
申请号：PCT/KR2011008569
申请日：2011-11-10
申请人： POSCO , KANG HEE JAE , KIM DEUK JUNG , SEONG HWAN GOO
发明人： KANG HEE JAE , KIM DEUK JUNG , SEONG HWAN GOO
IPC分类号： C21D8/02 , B21B3/02 , C21D9/46 , C22C38/00 , C22C38/06 , C22C38/58
CPC分类号： C21D9/46 , B21B3/02 , C22C38/001 , C22C38/002
摘要： The aim of the present invention is to provide a method for manufacturing high-strength cold-rolled TRIP steel having a tensile strength of 590 MPa grade and low mechanical-property deviation, in which a thin-slab casting technique is employed to ensure superior workability and also significantly reduce widthwise and lengthwise mechanical-property deviation in a strip.
摘要翻译：本发明的目的是提供一种制造拉伸强度为590MPa级，机械性能偏差小的高强度冷轧TRIP钢的方法，其中采用薄板坯连铸技术以确保优良的加工性并且还显着降低带材中的横向和纵向机械性能偏差。

12. 发明申请

WO2007024114A1 STEEL SHEET FOR GALVANIZING WITH EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：用于具有优异的可加工性的钢化钢板及其制造方法
公开(公告)号：WO2007024114A1
公开(公告)日：2007-03-01
申请号：PCT/KR2006/003348
申请日：2006-08-24
申请人： POSCO , SOHN, Il-Ryoung , CHIN, Kwang-Geun , KANG, Hee-Jae , KIM, Sung-Il
发明人： SOHN, Il-Ryoung , CHIN, Kwang-Geun , KANG, Hee-Jae , KIM, Sung-Il
IPC分类号： C22C38/00
CPC分类号： C22C38/02 , C21D8/0226 , C21D8/0426 , C21D8/0473 , C21D9/46 , C21D2211/004 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/008 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/60 , C23C2/02
摘要： A high strength ductile steel sheet for extra deep drawing mainly used for interior or exterior plates of automobile bodies, and a method for manufacturing the same are disclosed. The steel sheet comprises, by weight%, C: 0.010% or less, Si: 0.1%or less, Mn: 0.06 ~ 1.5%, P: 0.15% or less, S: 0.020%or less, Sol. Al: 0.10 ~ 0.40%, N: 0.010% or less, Ti: 0.003 ~ 0.010%, Nb: 0.003 ~ 0.040%, B: 0.0002 ~ 0.0020%, Mo: 0.05% or less, one or both of Sb: 0.005 ~ 0.05% and Sn: 0.005 ~ 0.05%, a total amount of Sb and Sn being in the range of 0.005 ~ 0.1% when both of Sb and Sn are added to the steel sheet, and the balance of Fe and other unavoidable impurities. The steel sheet has surface agglomerates having an average diameter of 1 D or less, and a tensile strength of 28 - 50 Df/D.
摘要翻译：公开了一种主要用于汽车车体的内外板的用于额外深冲的高强度延性钢板及其制造方法。钢板以C：0.010％以下，Si：0.1％以下，Mn：0.06〜1.5％，P：0.15％以下，S：0.020％以下的比例含有Sol。 Al：0.10〜0.40％，N：0.010％以下，Ti：0.003〜0.010％，Nb：0.003〜0.040％，B：0.0002〜0.0020％，Mo：0.05％以下，Sb：0.005〜 0.05％，Sn：0.005〜0.05％时，Sb和Sn的总量在添加到钢板中时Sb和Sn的总量在0.005〜0.1％的范围内，余量由Fe和其他不可避免的杂质构成。该钢板具有平均直径为1d以下，抗张强度为28〜50Df / D的表面附聚物。

13. 发明申请

WO2004003247A1 SUPER FORMABLE HIGH STRENGTH STEEL SHEET AND METHOD OF MANUFACTURING THEREOF 审中-公开
标题翻译：超强度高强度钢板及其制造方法
公开(公告)号：WO2004003247A1
公开(公告)日：2004-01-08
申请号：PCT/KR2003/001260
申请日：2003-06-27
申请人： POSCO , KANG, Hee-Jae , HAN, Sang-Ho
发明人： KANG, Hee-Jae , HAN, Sang-Ho
IPC分类号： C22C38/00
CPC分类号： C22C38/06 , C21D8/0426 , C21D8/0436 , C21D8/0473 , C22C38/002 , C22C38/004 , C22C38/04 , C22C38/12 , C22C38/14
摘要： Disclosed herein are a super formable high strength thin steel sheet suitable for use in various applications, e.g., automobiles, and a method for manufacturing the thin steel sheet. The thin steel sheet has a composition which comprises 0.010 wt% or less of C, 0.02 wt% or less of Si, 1.5 wt% or less of Mn, 0.030.15 wt% or less of P, 0.02 wt% or less of S, 0.030.40 wt% of Sol. Al, 0.004 wt% or less of N, 0.0050.040 wt% of Ti, 0.0020.020 wt% of Nb, one or both of 0.0001 0.02 wt% of B and 0.0050.02 wt% of Mo, and the balance of Fe and inevitable impurities, wherein the components P, Mn, Ti, Nb and B satisfy the relationship represented by the following Formulae 1-1 and 1-2, depending on a desired tensile strength: [Formula 1-1] - tensile strength: 35kg and 40kg grades 29.1+89.4P(%)+3.9Mn(%)-133.8Ti(%)+157.SNb(%)+0.18[B(ppm) or Mo(%)] 15 = 3544.9 [Formula 1-2] - tensile strength: 45kg grade 29.1+98.3P(%)+4.6Mn(%)-86.STi(%)+62.SNb(%)+0.21 [B(ppm) or Mo(%)] _ 4550, the components Ti, N, C and Nb satisfy the relationship represented by the 2 0 following Formulae 2 and 3 [Formula 2] 0.6
摘要翻译：这里公开了适用于各种应用例如汽车的超可成形高强度薄钢板以及薄钢板的制造方法。该薄钢板具有C：0.010重量％以下，Si：0.02重量％以下，Mn：1.5重量％以下，P：0.030.15重量％以下，S：0.02重量％以下，0.030.40重量％的Sol。 Al：0.004重量％以下，Ti：0.0050.040重量％，Nb：0.0020.020重量％，B：0.0001重量％·0.02重量％，Mo：0.0050重量％和不可避免的杂质，其中根据期望的拉伸强度，组分P，Mn，Ti，Nb和B满足以下式1-1和1-2所示的关系：[式1-1] - 拉伸强度：35kg 和40kg等级29.1 + 89.4P（％）+ 3.9Mn（％） - 133.8Ti（％）+ 157.SNb（％）+ 0.18 [B（ppm）或Mo（％）] 15 = 3544.9 [式1-2 ] - 拉伸强度：45kg等级29.1±98.3P（％）+ 4.6Mn（％）-86.STi（％）+ 62.SNb（％）+ 0.21 [B（ppm）或Mo（％）] 组分Ti，N，C和Nb满足由公式2和3 [式2]表示的关系[式2] 0.6 <（1 / 0.65）（Ti-3.43N）/ 4C <3.5 [式3] （1 / 0.35）（Nb / 7.75℃）<_2,2.5和Ti-基和Nb-基沉淀物分布在30-60nm的平均尺寸范围内。进一步公开的是其表面上具有镀层的薄钢板，以及薄钢板的制造方法。

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