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1.发明申请公开(公告)号：US20110008546A1
公开(公告)日：2011-01-13
申请号：US12808506
申请日：2008-12-18
IPC分类号： B05D1/18
CPC分类号： C23C2/06 , C21D1/76 , C21D8/0273 , C21D8/0473 , C21D9/46 , C21D9/48 , C21D2211/005 , C21D2211/008 , C22C1/002 , C22C38/02 , C22C38/04 , C22C38/60 , C23C2/02 , C23C2/28
摘要： A method for manufacturing a high strength hot-dip galvanized steel sheet includes: heating a steel sheet in a CGL, the steel sheet including on a mass percent basis, as chemical components, 0.005% to 0.12% of C, 0.7% to 1.8% of Si, 0.5% to 2.8% of Mn, 0.1% or less of P, 0.07% or less of S, 1.0% or less of Al, 0.008% or less of N, and the balance being Fe and incidental impurities; annealing at 700-940° C. for 15-600 seconds; cooling to 440-550° C. at 3° C./s or more; dipping the steel sheet at 440-550° C. into a hot-dip galvanizing bath at a temperature of 440 to 500° C. for 200 seconds or less to perform hot-dip galvanizing. By the method described above, a high strength hot-dip galvanized steel sheet having a tensile strength level of 590 MPa, which has good coating appearance and superior formability, is obtained.
摘要翻译： 一种高强度热浸镀锌钢板的制造方法，其特征在于，将CGL中的钢板以质量％计，化学成分为0.005〜0.12％，C：0.7〜1.8％ 的Si，0.5〜2.8％的Mn，0.1％以下的P，0.07％以下的S，1.0％以下的Al，0.008％以下的N，余量是Fe和附带的杂质; 在700-940℃退火15-600秒; 在3℃/ s以上冷却至440-550℃; 将钢板在440-550℃下浸渍在440-500℃的热浸镀锌浴中200秒以下进行热浸镀锌。 通过上述方法，获得具有良好的涂层外观和优异的成形性的拉伸强度水平为590MPa的高强度热浸镀锌钢板。
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公开(公告)号：US08076008B2
公开(公告)日：2011-12-13
申请号：US12594018
申请日：2008-03-27
申请人： Shinjiro Kaneko , Hiroshi Matsuda , Yoshiyasu Kawasaki , Tatsuya Nakagaito , Yoshitsugu Suzuki , Yusuke Fushiwaki , Takashi Kawano , Saiji Matsuoka
发明人： Shinjiro Kaneko , Hiroshi Matsuda , Yoshiyasu Kawasaki , Tatsuya Nakagaito , Yoshitsugu Suzuki , Yusuke Fushiwaki , Takashi Kawano , Saiji Matsuoka
CPC分类号： C23C2/06 , B32B15/013 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/28 , Y10T428/12799 , Y10T428/12951 , Y10T428/12972
摘要： A high-strength galvanized steel sheet is provided which has a tensile strength of a level of about 590 MPa and superior formability, including a coating with good appearance. The galvanized steel sheet includes a base steel and a galvanized coating layer formed over the surface of the base steel. The galvanized steel sheet has a chemical composition containing 0.005% to 0.12% of C, 0.7% to 2.7% of Si, 0.5% to 2.8% of Mn, 0.1% or less of P, 0.07% or less of S, 1.0% or less of Al, 0.008% or less of N, and the balance being Fe and inevitable impurities on a mass basis, and a microstructure constituted of at least 90% of ferrite and 2% to 10% of martensite on an area basis. The ferrite has a Vickers hardness of 120 or more on average, and an inclusion is precipitated from the grain boundary with a length of 50% or less relative to the entire length of the grain boundary in the surface layer of the base steel with a depth of 3 μm from the interface between the coating layer and the base steel.
摘要翻译： 提供了具有约590MPa的拉伸强度和优异的成形性的高强度镀锌钢板，包括具有良好外观的涂层。 镀锌钢板包括基体钢和形成在基体钢表面上的镀锌层。 镀锌钢板具有C：0.005〜0.12％，Si：0.7〜2.7％，Mn：0.5〜2.8％，P：0.1％以下，S：0.07％以下，1.0％以下 少量的Al，0.008％以下的N，余量为Fe和不可避免的杂质，基于面积的至少90％的铁素体和2〜10％的马氏体构成。 铁素体的维氏硬度平均为120以上，相对于基体钢的表层的晶界的全长为50％以下，从晶界析出的夹杂物的深度为深度 距涂层和基体钢之间的界面为3微米。
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公开(公告)号：US20100112377A1
公开(公告)日：2010-05-06
申请号：US12594018
申请日：2008-03-27
申请人： Shinjiro Kaneko , Hiroshi Matsuda , Yoshiyasu Kawasaki , Tatsuya Nakagaito , Yoshitsugu Suzuki , Yusuke Fushiwaki , Takashi Kawano , Saiji Matsuoka
发明人： Shinjiro Kaneko , Hiroshi Matsuda , Yoshiyasu Kawasaki , Tatsuya Nakagaito , Yoshitsugu Suzuki , Yusuke Fushiwaki , Takashi Kawano , Saiji Matsuoka
IPC分类号： B32B15/01
CPC分类号： C23C2/06 , B32B15/013 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/28 , Y10T428/12799 , Y10T428/12951 , Y10T428/12972
摘要： A high-strength galvanized steel sheet is provided which has a tensile strength of a level of about 590 MPa and superior formability, including a coating with good appearance. The galvanized steel sheet includes a base steel and a galvanized coating layer formed over the surface of the base steel. The galvanized steel sheet has a chemical composition containing 0.005% to 0.12% of C, 0.7% to 2.7% of Si, 0.5% to 2.8% of Mn, 0.1% or less of P, 0.07% or less of S, 1.0% or less of Al, 0.008% or less of N, and the balance being Fe and inevitable impurities on a mass basis, and a microstructure constituted of at least 90% of ferrite and 2% to 10% of martensite on an area basis. The ferrite has a Vickers hardness of 120 or more on average, and an inclusion is precipitated from the grain boundary with a length of 50% or less relative to the entire length of the grain boundary in the surface layer of the base steel with a depth of 3 μm from the interface between the coating layer and the base steel.
摘要翻译： 提供了具有约590MPa的拉伸强度和优异的成形性的高强度镀锌钢板，包括具有良好外观的涂层。 镀锌钢板包括基体钢和形成在基体钢表面上的镀锌层。 镀锌钢板具有C：0.005〜0.12％，Si：0.7〜2.7％，Mn：0.5〜2.8％，P：0.1％以下，S：0.07％以下，1.0％以下 少量的Al，0.008％以下的N，余量为Fe和不可避免的杂质，基于面积的至少90％的铁素体和2〜10％的马氏体构成。 铁素体的维氏硬度平均为120以上，相对于基体钢的表层的晶界的全长为50％以下，从晶界析出的夹杂物的深度为深度 距涂层和基体钢之间的界面为3微米。
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公开(公告)号：US09309586B2
公开(公告)日：2016-04-12
申请号：US13258209
申请日：2010-03-30
IPC分类号： C23C2/06 , C23C2/12 , C21D1/26 , C21D9/46 , C21D9/56 , C22C1/00 , C23C2/02 , C23C2/28 , C23C2/40
CPC分类号： C23C2/12 , C21D1/26 , C21D9/46 , C21D9/561 , C21D2211/004 , C21D2211/005 , C22C1/002 , C23C2/02 , C23C2/06 , C23C2/28 , C23C2/40
摘要： Provided is a method for manufacturing a high-strength galvanized steel sheet, made from a steel sheet containing Si and/or Mn, having excellent exfoliation resistance during heavy machining. When a steel sheet containing 0.01% to 0.18% C, 0.02% to 2.0% Si, 1.0% to 3.0% Mn, 0.001% to 1.0% Al, 0.005% to 0.060% P, and 0.01% or less S on a mass basis, the remainder being Fe and unavoidable impurities, is annealed and galvanized in a continuous galvanizing line, a temperature region with a furnace temperature of A° C. to B° C. (600≦A≦780 and 800≦B≦900) is performed at an atmosphere dew-point temperature of −5° C. or higher in a heating process.
摘要翻译： 提供一种由含有Si和/或Mn的钢板制成的高强度镀锌钢板的方法，其在重型加工过程中具有优异的耐剥离性。 当以质量计含有0.01％至0.18％的C，0.02％至2.0％的Si，1.0％至3.0％的Mn，0.001％至1.0％的Al，0.005％至0.060％的P和0.01％以下的钢 剩余部分为Fe和不可避免的杂质，在连续镀锌生产线中，炉温为A°C至B℃的温度区域（600＆amp; A＆amp; 780和800＆amp; NlE; B＆nlE; 900）进行退火和镀锌 在加热过程中在大气露点温度为-5℃以上时进行。
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公开(公告)号：US20120018060A1
公开(公告)日：2012-01-26
申请号：US13258209
申请日：2010-03-30
IPC分类号： C23C30/00 , C22C38/44 , C22C38/48 , C22C38/50 , C22C38/54 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/38 , C22C38/12 , C22C38/16 , C22C38/08 , C22C38/42 , C22C38/58
CPC分类号： C23C2/12 , C21D1/26 , C21D9/46 , C21D9/561 , C21D2211/004 , C21D2211/005 , C22C1/002 , C23C2/02 , C23C2/06 , C23C2/28 , C23C2/40
摘要： Provided is a method for manufacturing a high-strength galvanized steel sheet, made from a steel sheet containing Si and/or Mn, having excellent exfoliation resistance during heavy machining. When a steel sheet containing 0.01% to 0.18% C, 0.02% to 2.0% Si, 1.0% to 3.0% Mn, 0.001% to 1.0% Al, 0.005% to 0.060% P, and 0.01% or less S on a mass basis, the remainder being Fe and unavoidable impurities, is annealed and galvanized in a continuous galvanizing line, a temperature region with a furnace temperature of A° C. to B° C. (600≦A≦780 and 800≦B≦900) is performed at an atmosphere dew-point temperature of −5° C. or higher in a heating process.
摘要翻译： 提供一种由含有Si和/或Mn的钢板制成的高强度镀锌钢板的方法，其在重型加工过程中具有优异的耐剥离性。 当以质量计含有0.01％至0.18％的C，0.02％至2.0％的Si，1.0％至3.0％的Mn，0.001％至1.0％的Al，0.005％至0.060％的P和0.01％以下的钢 剩余部分为Fe和不可避免的杂质，在连续镀锌生产线中，炉温为A°C至B℃的温度区域（600＆amp; A＆amp; 780和800＆amp; NlE; B＆nlE; 900）进行退火和镀锌 在加热过程中在大气露点温度为-5℃以上时进行。
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6.发明授权公开(公告)号：US09315887B2
公开(公告)日：2016-04-19
申请号：US13260851
申请日：2010-03-31
IPC分类号： C23C2/28 , C21D1/26 , C21D9/46 , C21D9/56 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/02 , C23C2/12 , C23C2/40 , C21D6/00 , B32B15/01 , C21D9/48
CPC分类号： C23C2/28 , C21D1/26 , C21D9/46 , C21D9/48 , C21D9/561 , C21D2211/005 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/02 , C23C2/12 , C23C2/40
摘要： A method for producing a high-strength hot-dip galvanized steel sheet includes a steel sheet containing, in percent by mass, 0.01% to 0.18% of C, 0.02% to 2.0% of Si, 1.0% to 3.0% of Mn, 0.001% to 1.0% of Al, 0.005% to 0.060% of P, 0.01% or less of S, and the balance being Fe and incidental impurities, and a galvanized coating layer on each surface of the steel sheet with a coating weight of 20 to 120 g/m2 per surface, in which, when the steel sheet is subjected to annealing and a hot-dip galvanizing treatment in a continuous hot-dip galvanizing line, the dew point of the atmosphere is controlled to −40° C. or lower in the annealing furnace temperature range of 750° C. or higher.
摘要翻译： 高强度热浸镀锌钢板的制造方法包括：以质量％计，含有0.01％〜0.18％的C，0.02〜2.0％的Si，1.0〜3.0％的Mn，0.001 ，Al：0.01〜1.0％，P：0.005〜0.060％，S：0.01％以下，余量由Fe和附带杂质构成，镀锌层的镀层重量为20〜 每个表面120克/平方米，其中当在连续热浸镀锌生产线中对钢板进行退火和热浸镀锌处理时，将气氛的露点控制在-40℃或更低 在退火炉的温度范围为750℃以上。
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7.发明申请公开(公告)号：US20120090737A1
公开(公告)日：2012-04-19
申请号：US13260851
申请日：2010-03-31
CPC分类号： C23C2/28 , C21D1/26 , C21D9/46 , C21D9/48 , C21D9/561 , C21D2211/005 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/02 , C23C2/12 , C23C2/40
摘要： A method for producing a high-strength hot-dip galvanized steel sheet includes a steel sheet containing, in percent by mass, 0.01% to 0.18% of C, 0.02% to 2.0% of Si, 1.0% to 3.0% of Mn, 0.001% to 1.0% of Al, 0.005% to 0.060% of P, 0.01% or less of S, and the balance being Fe and incidental impurities, and a galvanized coating layer on each surface of the steel sheet with a coating weight of 20 to 120 g/m2 per surface, in which, when the steel sheet is subjected to annealing and a hot-dip galvanizing treatment in a continuous hot-dip galvanizing line, the dew point of the atmosphere is controlled to −40° C. or lower in the annealing furnace temperature range of 750° C. or higher.
摘要翻译： 高强度热浸镀锌钢板的制造方法包括：以质量％计，含有0.01％〜0.18％的C，0.02〜2.0％的Si，1.0〜3.0％的Mn，0.001 ，Al：0.01〜1.0％，P：0.005〜0.060％，S：0.01％以下，余量由Fe和附带杂质构成，镀锌层的镀层重量为20〜 每个表面120克/平方米，其中当在连续热浸镀锌生产线中对钢板进行退火和热浸镀锌处理时，将气氛的露点控制在-40℃或更低 在退火炉的温度范围为750℃以上。
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公开(公告)号：US20080070060A1
公开(公告)日：2008-03-20
申请号：US11664490
申请日：2005-10-07
申请人： Yoshitsugu Suzuki , Yusuke Fushiwaki , Masahiko Tada , Yoichi Tobiyama , Hisanori Ando , Takashi Kawano
发明人： Yoshitsugu Suzuki , Yusuke Fushiwaki , Masahiko Tada , Yoichi Tobiyama , Hisanori Ando , Takashi Kawano
CPC分类号： C23C2/02 , C23C2/06 , Y10T428/12799
摘要： The hot-dip galvanized steel sheet has: a steel sheet containing 0.1 to 3.0% of Si by mass; a hot-dip galvanizing layer; and a segregated layer, being placed between the steel sheet and the hot-dip galvanizing layer, having a thickness in a range from 0.01 to 100 μm; containing an oxide containing Si, and being composed of at least one component selected from the group consisting of S, C, Cl, Na, K, B, P, F, and N. The hot-dip galvanized steel sheet shows beautiful surface appearance without generating non-plating portion and provides excellent plating adhesion and sliding property in spite of using a base steel sheet containing a large quantity of Si. Furthermore, the alloy hot-dip galvanized steel sheet obtained by allying the hot-dip galvanized plating also has excellent anti-powdering property.
摘要翻译： 热浸镀锌钢板具有：含有0.1〜3.0质量％的Si的钢板; 热镀锌层; 和偏析层，被放置在钢板和热浸镀锌层之间，厚度在0.01至100μm的范围内; 含有含Si的氧化物，并且由选自S，C，Cl，Na，K，B，P，F和N中的至少一种组分组成。热浸镀锌钢板显示出美丽的表面外观 不产生非电镀部分，并且尽管使用含有大量Si的基础钢板，并且提供优异的电镀附着力和滑动性能。 此外，通过热镀锌电镀得到的合金热浸镀锌钢板也具有优异的抗粉化性能。
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9.发明申请公开(公告)号：US20100104891A1
公开(公告)日：2010-04-29
申请号：US12532452
申请日：2008-03-18
申请人： Tatsuya Nakagaito , Yoshitsugu Suzuki , Shusaku Takagi , Saiji Matsuoka , Takashi Kawano , Yoshiharu Sugimoto
发明人： Tatsuya Nakagaito , Yoshitsugu Suzuki , Shusaku Takagi , Saiji Matsuoka , Takashi Kawano , Yoshiharu Sugimoto
CPC分类号： C23C2/02 , C21D9/46 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/06 , C23C2/28 , Y10T428/12799 , Y10T428/12972 , Y10T428/265
摘要： A high-strength galvanized steel sheet having excellent formability contains as a chemical component of steel on a mass percent basis: 0.05% to 0.3% of C; more than 0.60% to 2.0% of Si; 0.50% to 3.50% of Mn; 0.003% to 0.100% of P; 0.010% or less of S; 0.010% to 0.06% of Al; 0.007% or less of N; and the balance including Fe and inevitable impurities, and in the microstructure of the steel sheet, the standard deviation of nano-hardness is 1.50 GPa or less.
摘要翻译： 成形性优异的高强度镀锌钢板以质量％计含有钢的化学成分：C：0.05〜0.3％ 大于0.60％至2.0％的Si; 0.50％〜3.50％的Mn; 0.003％〜0.100％的P; 0.010％以下的S; 0.010〜0.06％的Al; 0.007％以下N; 余量包括Fe和不可避免的杂质，而在钢板的微结构中，纳米硬度的标准偏差为1.50GPa以下。
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公开(公告)号：US20130327452A1
公开(公告)日：2013-12-12
申请号：US13822153
申请日：2010-09-30
CPC分类号： C21D9/46 , C21D8/0447 , C21D8/0478 , C21D9/56 , C21D9/561 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/18 , C23C8/10 , C23C8/14 , C23C22/184
摘要： The invention provides a high strength steel sheet which exhibits excellent chemical convertibility and corrosion resistance after electrodeposition coating even in the case where the steel sheet has a high Si content, and a method for manufacturing such steel sheets. The method includes continuous annealing of a steel sheet which includes, in terms of mass %, C at 0.01 to 0.18%, Si at 0.4 to 2.0%, Mn at 1.0 to 3.0%, Al at 0.001 to 1.0%, P at 0.005 to 0.060% and S at ≦0.01%, the balance being represented by Fe and inevitable impurities, while controlling the dew-point temperature of the atmosphere to become not less than −10° C. when the heating furnace inside temperature is in the range of not less than A° C. and not more than B° C. during the course of heating (A: 600≦A≦780, B: 800≦B≦900).
摘要翻译： 本发明提供了即使在钢板具有高Si含量的情况下，也可以在电沉积涂布后表现出优异的化学转化性和耐腐蚀性的高强度钢板及其制造方法。 该方法包括钢板的连续退火，以质量％表示，以0.01〜0.18％的C，0.4〜2.0％的Si，1.0〜3.0％的Mn，0.001〜1.0％的Al，0.005〜 0.060％，S为0.01％，余量由Fe和不可避免的杂质表示，同时当加热炉内温度在室温以上时，将气氛的露点温度控制在-10℃以上 在加热过程中（A：600 @ A @ 780，B：800 @ B @ 900）不低于A°C且不大于B°C。
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