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1. 发明申请

US20090272468A1 Method for Manufacturing Bake-Hardenable High-Strength Cold-Rolled Steel Sheet 审中-公开
标题翻译：制造可烘烤高强度冷轧钢板的方法
公开(公告)号：US20090272468A1
公开(公告)日：2009-11-05
申请号：US12499829
申请日：2009-07-09
申请人： Seong-Ho Han , Tae-Kyu Kim , Sang-Ho Han , San-Kyung Ko , Kwang-Geun Chin , Hee-Jae Kang
发明人： Seong-Ho Han , Tae-Kyu Kim , Sang-Ho Han , San-Kyung Ko , Kwang-Geun Chin , Hee-Jae Kang
IPC分类号： C21D8/02
CPC分类号： C22C38/02 , C21D9/46 , C22C38/001 , C22C38/04 , C22C38/06 , C22C38/12
摘要： A bake-hardenable high-strength cold-rolled steel sheet, a hot-dipped steel sheet thereof, and a method for manufacturing the same. The steel sheet comprises 0.0016˜0.01% of C; 0.1% or less of Si; 0.2˜1.5% of Mn; 0.05˜0.15% of P; 0.01% or less of S; 0.08˜0.5% of (soluble) Al; 0.0025% or less of N; 0.003˜0.1% of Nb; 0.003% or less of Ti; 0.01˜0.4% of Mo; 0.0005˜0.005% of B; and the balance of Fe and other unavoidable impurities, in terms of weight %. The method includes the steps of heating a steel slab of the above composition to a temperature of 1,200° C. or more; and then hot rolling the steel slab with finish rolling at or above the Ar3 temperature to provide a hot rolled steel sheet; coiling the hot rolled steel sheet; cold rolling the hot rolled and coiled sheet; and continuous annealing the cold rolled sheet.
摘要翻译：一种可烘烤硬化性高强度冷轧钢板，其热浸钢板及其制造方法。该钢板含有0.0016〜0.01％的C; 0.1％以下的Si; 0.2〜1.5％的Mn; 0.05〜0.15％P; 0.01％以下的S; 0.08〜0.5％（可溶）Al; 0.0025％以下N; 0.003〜0.1％的Nb; 0.003％以下的Ti; 0.01〜0.4％Mo; 0.0005〜0.005％B; 余量为Fe等不可避免的杂质，以重量％计。该方法包括以下步骤：将上述组成的钢坯加热至1200℃以上的温度; 然后在Ar3温度以上的精轧下对钢坯进行热轧，得到热轧钢板; 卷取热轧钢板; 冷轧热轧卷盘; 并对冷轧板进行连续退火。

2. 发明申请

US20070181232A1 Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets 审中-公开
标题翻译：具有优异的强度和烘烤淬透性的冷轧钢板和热浸钢板以及钢板的制造方法
公开(公告)号：US20070181232A1
公开(公告)日：2007-08-09
申请号：US10594140
申请日：2005-03-22
申请人： Seong-Ho Han , Tae-Kyu Kim , Sang-Ho Han , San-Kyung Ko , Kwang-Geun Chin , Hee-Jae Kang
发明人： Seong-Ho Han , Tae-Kyu Kim , Sang-Ho Han , San-Kyung Ko , Kwang-Geun Chin , Hee-Jae Kang
IPC分类号： C21D8/02 , C22C38/00
CPC分类号： C22C38/02 , C21D9/46 , C22C38/001 , C22C38/04 , C22C38/06 , C22C38/12
摘要： Disclosed herein are a bake-hardenable high-strength cold-rolled steel sheet, a hot-dipped steel sheet thereof, and a method for manufacturing the same. The steel sheet comprises 0.0016˜0.01% of C; 0.1% or less of Si; 0.2˜1.5% of Mn; 0.05˜0.15% of P; 0.01% or less of S; 0.08˜0.5% of (soluble) Al; 0.0025% or less of N; 0.003˜0.1% of Nb; 0.003% of less of Ti; 0.01˜0.4% of Mo; 0.0005˜0.005% of B; and the balance of Fe and other unavoidable impurities, in terms of weight %. The steel sheet has fine AlN precipitates, and a grain size (ASTM No.) of 9 or more. The AlN precipitates have a grain size, which can suppress grain growth. The steel sheet has enhanced strength, bake hardenability, aging resistance, and secondary work embrittlement resistance.
摘要翻译：本发明公开了一种可烘烤硬化性高强度冷轧钢板，其热浸镀钢板及其制造方法。该钢板含有0.0016〜0.01％的C; 0.1％以下的Si; 0.2〜1.5％的Mn; 0.05〜0.15％P; 0.01％以下的S; 0.08〜0.5％（可溶）Al; 0.0025％以下N; 0.003〜0.1％的Nb; 0.003％以下的Ti; 0.01〜0.4％Mo; 0.0005〜0.005％B; 余量为Fe等不可避免的杂质，以重量％计。钢板具有细小的AlN析出物，粒径（ASTM No.）为9以上。 AlN析出物具有粒度，可抑制晶粒生长。钢板具有增强的强度，烘烤硬化性，耐老化性和二次加工脆性。

3. 发明申请

US20110073223A1 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：US20110073223A1
公开(公告)日：2011-03-31
申请号：US12064653
申请日：2006-08-24
申请人： Il-Ryoung Sohn , Kwang-Geun Chin , Hee-Jae Kang , Sung-ll Kim
发明人： Il-Ryoung Sohn , Kwang-Geun Chin , Hee-Jae Kang , Sung-ll Kim
IPC分类号： C21D8/02 , 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 μm or less, and a tensile strength of 28˜50 kgf/mm2.
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。 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％，Sb和Sn的总量，在Sb和Sn均加入到钢板中时为0.005〜0.1％，余量为Fe等不可避免的杂质。钢板具有平均直径为1μm以下，抗拉强度为28〜50kgf / mm 2的表面附聚物。

4. 发明授权

US07806998B2 Method of manufacturing super formable high strength steel sheet 失效
标题翻译：超高强度高强度钢板的制造方法
公开(公告)号：US07806998B2
公开(公告)日：2010-10-05
申请号：US12016241
申请日：2008-01-18
申请人： Hee-Jae Kang , Sang-Ho Han
发明人： Hee-Jae Kang , Sang-Ho Han
IPC分类号： C21D8/00 , C21D8/04
CPC分类号： C22C38/06 , C21D8/0426 , C21D8/0436 , C21D8/0473 , C22C38/002 , C22C38/004 , C22C38/04 , C22C38/12 , C22C38/14
摘要： 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, 0.03-0.15 wt % or less of P, 0.02 wt % or less of S, 0.03-0.40 wt % of Sol. Al, 0.004 wt % or less of N, 0.005-0.040 wt % of Ti, 0.002-0.020 wt % of Nb, one or both of 0.001-0.02 wt % of B and 0.005-0.02 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: 35 kg and 40 kg grades 29.1+89.4P(%)+3.9Mn(%)−133.8Ti(%)+157.5Nb(%)+0.18[B(ppm) or Mo(%)] 15=3544.9 Formula 1-2—tensile strength: 45 kg grade 29.1+98.3P(%)+4.6 Mn(%)86.5Ti(%)62.5Nb(%)+0.21 [B(ppm) or Mo(%)]—4550, the components Ti, N, C and Nb satisfy the relationship represented by the following Formula 2: 0.6≦(1/0.65)(Ti−3.43N)/4C≦3.5, and Formula 3: 0.4≦(1/0.35)(Nb/7.75C)≦2.2.
摘要翻译：适用于汽车等各种用途的超强度高强度薄钢板，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：0.03〜0.15重量％以下，P：0.02重量％以下，S：，0.03-0.40重量％的Sol。 Al，0.004重量％以下的N，0.005-0.040重量％的Ti，0.002-0.020重量％的Nb，0.001-0.02重量％的B和0.005-0.02重量％的Mo中的一个或两个，余量 Fe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（％）+ 157.5Nb（％）+ 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（％）86.5Ti（％）62.5Nb（％）+0.21 [B（ppm）或Mo（％）] ，C和Nb满足由下式2表示的关系：0.6＆nlE;（1 / 0.65）（Ti-3.43N）/4C≦̸ 3.5和式3：0.4＆nlE;（1 / 0.35）（Nb / 7.75℃ ）＆nlE; 2.2。

5. 发明申请

US20080210346A1 Method of Manufacturing Super Formable High Strength Steel Sheet 失效
标题翻译：超级成型高强度钢板的制造方法
公开(公告)号：US20080210346A1
公开(公告)日：2008-09-04
申请号：US12016241
申请日：2008-01-18
申请人： Hee-Jae Kang , Sang-Ho Han
发明人： Hee-Jae Kang , Sang-Ho Han
IPC分类号： C21D9/46
CPC分类号： C22C38/06 , C21D8/0426 , C21D8/0436 , C21D8/0473 , C22C38/002 , C22C38/004 , C22C38/04 , C22C38/12 , C22C38/14
摘要： 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, 0.03-0.15 wt % or less of P, 0.02 wt % or less of S, 0.03-0.40 wt % of Sol. Al, 0.004 wt % or less of N, 0.005-0.040 wt % of Ti, 0.002-0.020 wt % of Nb, one or both of 0.001-0.02 wt % of B and 0.005-0.02 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: 35 kg and 40 kg grades 29.1+89.4P(%)+3.9Mn(%)−133.8Ti(%)+157.5Nb(%)+0.18[B(ppm) or Mo(%)] 15=3544.9 Formula 1-2—tensile strength: 45 kg grade 29.1+98.3P(%)+4.6Mn(%)86.5Ti(%)62.5Nb(%)+0.21 [B(ppm) or Mo(%)]—4550, the components Ti, N, C and Nb satisfy the relationship represented by the following Formula 2: 0.6≦(1/0.65)(Ti−3.43N)/4C≦3.5, and Formula 3: 0.4≦(1/0.35)(Nb/7.75C)≦2.2.
摘要翻译：适用于汽车等各种用途的超强度高强度薄钢板，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：0.03〜0.15重量％以下，P：0.02重量％以下，S：，0.03-0.40重量％的Sol。 Al，0.004重量％以下的N，0.005-0.040重量％的Ti，0.002-0.020重量％的Nb，0.001-0.02重量％的B和0.005-0.02重量％的Mo中的一个或两个，余量 Fe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（％）+ 157.5Nb（％）+ 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（％）86.5Ti（％）62.5Nb（％）+0.21 [B（ppm）或Mo（％）] - 4550，成分Ti，N ，C和Nb满足由下式2表示的关系：0.6 <=（1 / 0.65）（Ti-3.43N）/ 4C <= 3.5，式3：0.4 <=（1 / 0.35）（Nb / 7.75 C）<= 2.2。

6. 发明申请

US20080196799A1 Steel Sheet for Deep Drawing Having Excellent Secondary Work Embrittlement Resistance, Fatigue Properties and Plating Properties, and Method for Manufacturing the Same 审中-公开
标题翻译：具有优异的二次加工性能，耐疲劳特性和电镀性能的深拉深钢板及其制造方法
公开(公告)号：US20080196799A1
公开(公告)日：2008-08-21
申请号：US11994630
申请日：2006-07-07
申请人： Hee-Jae Kang , Kwang-Keun Chin , Sang-Ho Han , Chang-Sik Choi
发明人： Hee-Jae Kang , Kwang-Keun Chin , Sang-Ho Han , Chang-Sik Choi
IPC分类号： C21D8/02
CPC分类号： C22C38/02 , C21D8/0221 , C21D8/0226 , C21D8/0236 , C21D8/0421 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14
摘要： A steel sheet for deep drawing used for automobiles, and a method for manufacturing the same are disclosed. The steel sheet comprises, by weight %, C: 0.010% or less, Si: 0.02% 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%, and the balance of Fe and other unavoidable impurities, wherein the composition of Ti, Al, B, and N satisfies the relationship: 1.0
摘要翻译：公开了一种用于汽车的深拉伸用钢板及其制造方法。钢板以C：0.010％以下，Si：0.02％以下，Mn：0.06〜1.5％，P：0.15％以下，S：0.020％以下的比例含有。 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％，余量为Fe等不可避免的杂质，其中Ti ，Al，B和N满足关系：1.0 <（Ti [％] + Al [％] / 16 + 6B [％]）/3.43N [％] <4.1，其中Nb， C满足关系; 0.7 <（Nb [％] + Al [％] / 20）/7.75C [％] <3.5。钢板表现出优异的二次加工脆性，焊接接头的疲劳特性，以及优良的成形性。

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