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1. 发明专利

JP2014001450A Steel for ship excellent in corrosion resistance and base metal toughness 有权
标题翻译：钢铁耐腐蚀和基体金属韧性优良
公开(公告)号：JP2014001450A
公开(公告)日：2014-01-09
申请号：JP2013076895
申请日：2013-04-02
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SAMUZAWA ITARU , SHIOTANI KAZUHIKO , MURASE MASAJI
IPC分类号： C22C38/00 , B32B15/01 , B32B15/092 , C21D8/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a steel for ship that exhibits excellent corrosion resistance under a severe seawater corrosion environment for a ballast tank or the like of a ship, especially under an environment combining a seawater immersion environment and a wet-dry cycling environment where FeOis easily generated, and is further excellent in base metal toughness.SOLUTION: A steel for ship has a composition that contains, by mass%, C: 0.03 to 0.20%, Si: 0.05 to 0.50%, Mn: 0.7 to 2.00%, Al: 0.100% or less, Ti: 0.005 to 0.030%, N: 0.0010 to 0.010% and Sn: 0.02 to 0.2% and further contains one element or two or more elements selected from Sb: 0.02 to 0.2%, W: 0.005 to 0.50%, Mo: 0.01 to 0.50% and Nb: 0.003 to 0.03%. The rest of the composition consists of Fe and inevitable impurities. And, at the same time, manufacturing conditions are appropriately controlled, an area ratio of a ferrite phase is set to 3% or more, and a solid solution amount of Sn after cooling is set to 0.01% or more.
摘要翻译：要解决的问题：提供一种用于船舶的压载舱等在严酷的海水腐蚀环境下具有优异耐腐蚀性的船舶，特别是在组合海水浸渍环境和湿循环环境的环境中， FeOe容易生成，并且基体金属韧性更优异。解决方案：船用钢具有以质量％计含有C：0.03〜0.20％，Si：0.05〜0.50％，Mn：0.7〜2.00％的组成， Al：0.100％以下，Ti：0.005〜0.030％，N：0.0010〜0.010％，Sn：0.02〜0.2％，还含有选自Sb：0.02〜0.2％，W：0.005〜 0.50％，Mo：0.01〜0.50％，Nb：0.003〜0.03％。组合物的其余部分由Fe和不可避免的杂质组成。同时，适当地控制制造条件，将铁素体相的面积比设定为3％以上，将冷却后的固溶量设定为0.01％以上。

2. 发明专利

JP2011162849A Zinc primer-coated corrosion resistant steel material 审中-公开
标题翻译： ZINC镀层耐腐蚀钢材
公开(公告)号：JP2011162849A
公开(公告)日：2011-08-25
申请号：JP2010027555
申请日：2010-02-10
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SHIOTANI KAZUHIKO , TACHIBANA SHUNICHI , KOMORI TSUTOMU
IPC分类号： C22C38/00 , B05D7/14 , C22C38/60 , C23F11/00
摘要： PROBLEM TO BE SOLVED: To provide a zinc primer-coated corrosion resistant steel material which has excellent corrosion resistance.
SOLUTION: The zinc primer-coated corrosion resistant steel material having excellent corrosion resistance is obtained by forming a zinc primer coating film containing 5 to 30 g/m
2 Zn in terms of coating weight and 0.003 to 3 g/m
2 P in terms of coating weight on the surface of a steel material containing, by mass, 0.01-0.25% C, 0.05-0.50% Si, 0.1-2.0% Mn, ≤0.035% P, ≤0.01% S, ≤0.10% Al, 0.005-0.030% Ti and 0.0010-0.0070% N, further containing one or two selected from 0.01-0.5% W and 0.02-0.5% Mo, further containing one or two selected from 0.001-0.2% Sn and 0.01-0.2% Sb, and containing Cu, Ni, Cr and Co each of which the mixing amount is controlled to
摘要翻译：要解决的问题：提供耐腐蚀性优异的锌底漆涂层耐腐蚀钢材。解决方案：具有优异耐腐蚀性的锌底漆涂层耐腐蚀钢材料通过以涂层重量计含有5至30g / m 2 SP / Zn Zn的锌底漆涂层获得，并且0.003 以质量计含有0.01-0.25％C，0.05-0.50％Si，0.1-2.0％Mn，≤1.0％的钢材表面上的涂层重量计，以3g / m 2 / 0.035％P，≤0.01％S，≤0.10％Al，0.005-0.030％Ti和0.0010-0.0070％N，还含有选自0.01-0.5％W和0.02-0.5％Mo中的一种或两种，还含有一个或两个选自0.001-0.2％的Sn和0.01-0.2％的Sb，并且含有Cu，Ni，Cr和Co，其中混合量控制在<0.20％，余量为Fe与不可避免的杂质。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2011089177A Method for manufacturing surface treated steel sheet excellent in rust prevention property 有权
标题翻译：表面处理钢板的制造方法优良的防腐性能
公开(公告)号：JP2011089177A
公开(公告)日：2011-05-06
申请号：JP2009243759
申请日：2009-10-22
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： AOYAMA TOMOHIRO , NAGOSHI MASAYASU , TACHIBANA SHUNICHI , SHIOTANI KAZUHIKO
IPC分类号： C23C22/40
摘要： PROBLEM TO BE SOLVED: To provide method for improving primary rust prevention property of a steel sheet by applying a coating film, in which problems such as changes in the color tone or occurrence of color irregularity in the steel sheet, changes in the color tone or occurrence of color irregularity caused by heating of the steel sheet, and peeling of the coating film during working, are avoided, and the treatment liquid has high safeness, and to provide a steel sheet excellent in the primary rust prevention property.
SOLUTION: A coating film containing W is formed by immersing a steel sheet in the aqueous solution of a neutral salt containing tungstic acid, or by applying the aqueous solution to the surface of a steel and drying it.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供通过涂覆涂膜改善钢板的一次防锈性的方法，其中诸如色调变化或钢板中的颜色不规则发生的问题在避免了由钢板加热引起的色调或颜色不规则的发生，以及加工时的涂膜的剥离，并且处理液的安全性高，并且提供了一级防锈性优异的钢板。解决方案：通过将钢板浸渍在含有钨酸的中性盐的水溶液中或通过将水溶液施加到钢的表面并干燥来形成含有W的涂膜。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011058038A Hot rolled shape steel for vessel having excellent corrosion resistance, and method for producing the same 有权
标题翻译：具有优异耐腐蚀性的容器用热轧成形钢及其制造方法
公开(公告)号：JP2011058038A
公开(公告)日：2011-03-24
申请号：JP2009207772
申请日：2009-09-09
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： HONJO MINORU , KIMURA TATSUKI , MITAO SHINJI , SHIKAUCHI NOBUO , SHIOTANI KAZUHIKO
IPC分类号： C22C38/00 , C21D8/00 , C22C38/38 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a hot rolled shape steel for a vessel having excellent corrosion resistance without depending on the existing state of a coating film which used in a corrosive environment such as the blast tank of a vessel, and to provide an advantageous method therefor.
SOLUTION: A steel stock having a composition comprising, by mass, 0.05 to 0.20% C, 0.05 to 0.50% Si, 0.1 to 2.0% Mn, ≤0.025% P, ≤0.01% S, 0.005 to 0.10% Al, 0.01 to 1.0% W, 0.01 to 800°C, and thereafter let to cool so as to obtain a hot rolled shape steel for a vessel having a microstructure composed of a ferrite-pearlite structure free from worked ferrite.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有优异耐腐蚀性的容器的热轧形状钢，而不依赖于在诸如容器的喷砂罐的腐蚀性环境中使用的涂膜的现有状态，并且提供其有利的方法。＆lt; P＆gt;解决方案：一种组合物，其含有0.05〜0.20％的C，0.05〜0.50％的Si，0.1〜2.0％的Mn，≤0.025％的P，≤0.01％的S，0.005〜0.10％的Al，将0.01〜1.0％的W，0.01〜0.20％的Cr，0.001〜0.03％的Nb和0.001〜0.008％的N加热至1000〜1350℃，进行轧制终轧温度控制在> 800℃以上的热轧然后冷却，得到具有由不含铁素体的铁素体 - 珠光体组织构成的微结构的容器的热轧型钢。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2011021247A Steel for ship having excellent coating film blistering resistance 有权
标题翻译：具有优异涂层电绝缘电阻的钢
公开(公告)号：JP2011021247A
公开(公告)日：2011-02-03
申请号：JP2009167671
申请日：2009-07-16
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TACHIBANA SHUNICHI , SHIOTANI KAZUHIKO , KOMORI TSUTOMU
IPC分类号： C22C38/00 , B05D7/14 , B22F1/00 , C21D8/02 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel for a ship having excellent coating film blistering resistance, wherein excellent coating corrosion resistance is demonstrated even in a severe seawater corrosive environment of the ballast tank or the like of the ship, a period till repair coating can be extended, and further the work of repair coating is reduced.
SOLUTION: The steel for the ship is obtained by applying a zinc-rich primer on the surface of the steel from which scale is removed. The steel member contains, by mass, 0.01 to 0.20% C, 0.05 to 0.50% Si, 0.10 to 2.00% Mn, ≤0.025% P, ≤0.0100% S or the like, and further ≤0.0100% Mo, and specified amounts of one or more selected from W, Sb, Sn, Cu and Cr, and satisfies that ACP value expressed by formula (1) is
摘要翻译：要解决的问题：为了提供具有优异的涂膜起泡性的船舶用钢，即使在船舶的压载舱等的严酷的海水腐蚀性环境中也能显示优异的耐腐蚀性，维修涂层可以延长，进一步降低维修涂层的工作。
解决方案：通过在去除锈垢的钢的表面上涂覆富锌底漆，可以获得船舶钢。该钢构件中，含有0.01〜0.20％的C，0.05〜0.50％的Si，0.10〜2.00％的Mn，≤0.025％的P，≤0.0100％的S等，进一步的含有0.0％的Mo，选自W，Sb，Sn，Cu和Cr中的一种或多种，并且满足式（1）表示的ACP值为<6.75：ACP = 10-（3 + 10×W + 7×Sb + 9×Sn）× （1 + 0.04×（Cu + Cr））×（0.9-Ni-Mo）（1）。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2010196113A Steel for ship having excellent corrosion resistance 有权
标题翻译：具有优良耐腐蚀性能的钢
公开(公告)号：JP2010196113A
公开(公告)日：2010-09-09
申请号：JP2009041843
申请日：2009-02-25
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TACHIBANA SHUNICHI , SHIOTANI KAZUHIKO , KOMORI TSUTOMU , AOYAMA TOMOHIRO , NAGOSHI MASAYASU
IPC分类号： C22C38/00 , C22C38/12 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a steel for a ship which has excellent corrosion resistance by coating even in a seawater corrosive environment such as the ballast tank of a ship. SOLUTION: The steel for a ship having excellent corrosion resistance is obtained by coating the surface of a steel having a composition containing, by mass, 0.01 to 0.20% C, 0.05 to 0.50% Si, 0.1 to 2.0% Mn, ≤0.025% P, ≤0.01% S, 0.005 to 0.10% Al, 0.001 to 0.008% N and 0.0005 to 0.0040% Ca, and further containing one or two kinds selected from among 0.005 to 0.5% W and 0.005 to 0.5% Mo, and the balance Fe with inevitable impurities with a rust layer having salt and oxide formed from WO 4 2- and/or MoO 4 2- . COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使在诸如船只的压载舱的海水腐蚀性环境中，也提供具有优异耐腐蚀性的船舶用钢。解决方案：具有优异耐腐蚀性的船舶的钢通过涂覆具有以质量计含有0.01至0.20％C，0.05至0.50％Si，0.1至2.0％Mn，≤ 0.025％P，≤0.01％S，0.005〜0.10％Al，0.001〜0.008％N，0.0005〜0.0040％Ca，还含有选自0.005〜0.5％W和0.005〜0.5％Mo的一种或两种，余量为Fe和不可避免的杂质，具有由WO＆lt; SB＆gt; 2＆lt; SP＆gt;和/或MoO 4 S / S 2形成的具有盐和氧化物的锈层。 - 。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009197290A High-strength corrosion-resistant steel material superior in toughness in heavy-heat-input weld zone for ship and manufacturing method therefor 有权
标题翻译：用于船舶重型加热输送带的高强度耐腐蚀钢材料超导体及其制造方法
公开(公告)号：JP2009197290A
公开(公告)日：2009-09-03
申请号：JP2008041830
申请日：2008-02-22
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SHIOTANI KAZUHIKO , ICHINOMIYA KATSUYUKI , KIMURA TATSUKI , KOMORI TSUTOMU
IPC分类号： C22C38/00 , C21C7/04 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a corrosion-resistant steel material for a ship, which shows excellent corrosion resistance and strength characteristics even in a severely corrosive environment of sea water, and is superior in toughness at a weld zone even when being welded by heavy heat input.
SOLUTION: The steel material includes 0.0030% or less O and 0.0005 to 0.0030% Ca, further 0.01 to 0.5% W and/or 0.02 to 0.5% Mo, 0.001 to 0.2% Sn and/or 0.01 to 0.2% Sb, and one or more elements selected from 0.05 to 0.35% Cu, 0.05 to 0.40% Ni, 0.05 to 0.20% Cr and 0.05 to 0.20% Co, and has an ACP value, a WI value and an ACR value controlled to a predetermined value.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于船舶的耐腐蚀钢材，即使在海水的严重腐蚀性环境中也显示出优异的耐腐蚀性和强度特性，并且即使在通过重的热量输入焊接。钢材含有0.0030％以下的O和0.0005〜0.0030％的Ca，进一步的0.01〜0.5％的W和/或0.02〜0.5％的Mo，0.001〜0.2％的Sn和/或0.01〜0.2％的Sb，和选自0.05〜0.35％的Cu，0.05〜0.40％的Ni，0.05〜0.20％的Cr和0.05〜0.20％的Co中的一种或多种元素，并且将ACP值，WI值和ACR值控制在预定值。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2014111807A Steel material having excellent alcohol corrosion resistance 有权
标题翻译：钢材具有优异的酒精耐腐蚀性
公开(公告)号：JP2014111807A
公开(公告)日：2014-06-19
申请号：JP2012266369
申请日：2012-12-05
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SAMUZAWA ITARU , SHIOTANI KAZUHIKO , KOMORI TSUTOMU
IPC分类号： C22C38/00 , C21D8/02 , C22C38/16 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a steel material having excellent alcohol corrosion resistance, which is applicable to large-size structures, without the need for plating treatment, addition of an inhibitor or the like, by improving the corrosion resistance and SCC resistance of the steel material.SOLUTION: A steel material comprises a component composition containing, in mass%, C: 0.03-0.3%, Si: 0.01-1.0%, Mn: 0.1-2.0%, P: 0.03% or less, S: 0.01% or less and W: 0.01-1.0%, and further containing at least two selected from Cu: 0.05-1.0%, Sn: 0.01-0.3% and Ni: 0.01-1.0%, with the remainder made up of Fe and unavoidable impurities.
摘要翻译：要解决的问题：为了提供适用于大尺寸结构的优异的耐醇腐蚀性的钢材，不需要电镀处理，添加抑制剂等，通过提高耐腐蚀性和SCC耐性钢材。钢材含有质量％C：0.03〜0.3％，Si：0.01〜1.0％，Mn：0.1〜2.0％，P：0.03％以下，S：0.01％ W：0.01〜1.0％，进一步含有Cu：0.05〜1.0％，Sn：0.01-0.3％，Ni：0.01〜1.0％中的至少2种，余量由Fe和不可避免的杂质构成。

9. 发明专利

JP2013256701A Steel material for vessel ballast tank excellent in coating film blistering resistance 有权
标题翻译：耐腐蚀涂层耐腐蚀性的船用压力容器用钢材
公开(公告)号：JP2013256701A
公开(公告)日：2013-12-26
申请号：JP2012133981
申请日：2012-06-13
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SAMUSAWA ITARU , SHIOTANI KAZUHIKO , MURASE MASAJI
IPC分类号： C22C38/00 , C21D8/00 , C22C38/60 , C23C28/04
摘要： PROBLEM TO BE SOLVED: To provide a corrosion resistant steel material for a vessel ballast tank, which is economical and excellent in coating film blistering resistance, exhibits excellent coating film corrosion resistance under a severe sea water corrosive environment such as of a vessel ballast tank, particularly, under an environment of a combination of a sea water immersion environment and a dry-wet repeating environment where FeOtends to be generated, therefore can prolong the time until repair coating, and can lead to reduction of an operation for the repair coating.SOLUTION: A steel material for a vessel ballast tank has a component composition including, by mass, 0.03-0.20% C, 0.05-0.50% Si, 0.7-2.00% Mn, ≤0.035% P, ≤0.010% S, ≤0.100% Al, 0.005-0.030% Ti, 0.0010-0.010% N, 0.02-0.20% Sn, and
摘要翻译：要解决的问题：为了提供一种经济且涂膜抗起泡性优异的用于容器压载舱的耐腐蚀钢材，在苛刻的海水腐蚀环境例如容器压载舱，表现出优异的涂膜耐腐蚀性，特别是在海水浸渍环境和FeOtend生成的干湿重复环境的组合环境下，可以延长维修涂敷的时间，并且可以减少修补涂层的操作。：用于容器压载舱的钢材具有以质量计含有0.03-0.20％C，0.05-0.50％Si，0.7-2.00％Mn，≤0.035％P，≤0.010％S，≤0.100％Al的组分组成，0.005-0.030％Ti，0.0010-0.010％N，0.02-0.20％Sn和<0.10％Cr，还包括一种或多种选自0.02-0.20％Sb，0.005-0.50％W，0.01-0.50％ Mo和0.003-0.030％Nb，（0.002-0.020％的固溶体Nb），和ba 铁丝和不可避免的杂质。

10. 发明专利

JP2012140710A Corrosion-resistant steel material for ship, and method of manufacturing the same 有权
标题翻译：用于船舶的耐腐蚀钢材料及其制造方法
公开(公告)号：JP2012140710A
公开(公告)日：2012-07-26
申请号：JP2012036754
申请日：2012-02-22
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SHIOTANI KAZUHIKO , ISHIKAWA SHIN , KOMORI TSUTOMU
IPC分类号： C22C38/00 , B22D11/00 , C21D8/02 , C22C38/14 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a corrosion-resistant steel material for a ship, which shows superior corrosion resistance after having been painted even in a severely corrosive environment of sea water to which a ballast tank of the ship is exposed, can extend a period before being repair-coated, and besides, can reduce work of repair coating.SOLUTION: The steel material includes particularly, one or two kinds selected from 0.01-0.5 mass% W and 0.02-0.5 mass% Mo, and 0.001-0.2 mass% Sn, as a steel composition. In the steel material, TiN particles of 10-50 nm in diameter of the equivalent circle exist by ≥10pieces/cm. Further, an ACP value shown in following expression (1)': ACP={1-(0.8×W+0.5×Mo)}×{1-Sn} is controlled to ≤0.50 and a WI value shown in following expression (2)': WI=C+Mn/6+Mo/5+V/5+W/10+Sn/2 is controlled to ≤0.50.
摘要翻译：要解决的问题：为了提供一种用于船舶的耐腐蚀钢材，即使在暴露于其中的压载舱的海水的严重腐蚀性环境中，在涂漆之后也显示出优异的耐腐蚀性，可以延伸一段时间后进行维修涂层，此外，可以减少维修涂层的工作。钢材特别包括选自0.01-0.5质量％W和0.02-0.5质量％Mo中的一种或两种，以及作为钢组合物的0.001-0.2质量％Sn。在钢材中，等效圆直径为10-50nm的TiN颗粒存在≥10 7 件/ cm 2 。此外，以下表达式（1）所示的ACP值：ACP =ä1-（0.8×W + 0.5×Mo） 0.3 }×ä1-Sn 0.3 }被控制为≤0.50，并且以下表达式（2）中所示的WI值：WI = C + Mn / 6 + Mo / 5 + V / 5 + W / 10 + Sn / 2 控制在≤0.50。版权所有（C）2012，JPO＆INPIT

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