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1. 发明专利

JP2008082963A Corrosion resistance test method, corrosion-resistant steel, and corrosion-resistant tank 审中-公开
标题翻译：耐腐蚀试验方法，耐腐蚀钢和耐腐蚀罐
公开(公告)号：JP2008082963A
公开(公告)日：2008-04-10
申请号：JP2006265526
申请日：2006-09-28
申请人： Jfe Steel Kk , Jfe Techno Research Corp , Jfeスチール株式会社 , Jfeテクノリサーチ株式会社
发明人： INOHARA YASUTO , YAMANE YASUYOSHI
IPC分类号： G01N17/00
摘要： PROBLEM TO BE SOLVED: To provide a laboratory reproduction test method which enables the satisfactory reproduction of local corrosion occurring in crude oil tanks.
SOLUTION: A mixed gas of an O
2 gas partial pressure between 2-10 vol.%, an H
2 S gas partial pressure of 0.1-20 vol.%, and an N
2 gas as the remaining part is dissolved in sea water or a sodium chloride aqueous solution of 1 mass% or greater at atmospheric pressure. The sea water or the sodium chloride aqueous solution of 1 mass% or greater is held at a temperature between 25-60°C. A steel product in which a crude oil residue is applied to its surface by an amount between 3-10 mg/cm
2 is immersed in the sea water or the sodium chloride aqueous solution of 1 mass% or greater. Local corrosion which occur in bottom plates of tanks for transporting or storing crude oil is tested in the laboratory reproduction test method.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够令人满意地再现在原油罐中发生的局部腐蚀的实验室再生试验方法。
解决方案：气体分压为2-10体积％，H 2 S气体分压为0.1-20体积％的混合气体。％，作为剩余部分的N 2 气体在大气压下溶解于海水或1质量％以上的氯化钠水溶液中。 1质量％以上的海水或氯化钠水溶液的温度保持在25〜60℃。将其表面上含有3-10mg / cm 2 SPF的原油残渣的钢制品浸入海水或1质量％以上的氯化钠水溶液中。在实验室繁殖试验方法中测试了用于运输或储存原油的罐底板发生的局部腐蚀。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007224377A Steel material superior in acid-corrosion resistance 有权
标题翻译：钢铁材料耐腐蚀性高
公开(公告)号：JP2007224377A
公开(公告)日：2007-09-06
申请号：JP2006047858
申请日：2006-02-24
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： FUJIMURA TORU , TANIMOTO WATARU , NAGOSHI MASAYASU , INOHARA YASUTO , KOMORI TSUTOMU
IPC分类号： C22C38/00 , C21D8/02 , C22C38/60 , C23C4/04 , C23C22/50
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive acid-corrosion-resistant steel material having more enhanced corrosion resistance to hydrochloric acid, while adequately keeping an excellent corrosion resistance to sulfuric acid. SOLUTION: The steel material superior in the acid-corrosion resistance comprises an amorphous oxide layer on its surface after having been corroded by hydrochloric acid, which has a composition comprising 5.0-40.0 mass% C, 0.1-3.0 mass% Si, 0.1-1.0 mass% Mn, 5.0-25.0 mass% Cu, 1.0-20.0 mass% W, 1.0-25.0 mass% Sb, 20.0 mass% or less Ni and 2.0 mass% or less Sn. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供对盐酸具有更高的耐腐蚀性的廉价的耐酸腐蚀的钢材，同时充分保持对硫酸的优异的耐腐蚀性。解决方案：耐酸腐蚀性优异的钢材在被盐酸腐蚀后的表面上形成无定形氧化物层，该组合物的组成包括5.0-40.0质量％的C，0.1-3.0质量％的Si， 0.1-1.0质量％Mn，5.0-25.0质量％Cu，1.0-20.0质量％W，1.0-25.0质量％Sb，20.0质量％以下Ni和2.0质量％以下Sn。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007262441A Steel for crude oil tank and its production method 有权
标题翻译：原油油罐钢及其生产方法
公开(公告)号：JP2007262441A
公开(公告)日：2007-10-11
申请号：JP2006085509
申请日：2006-03-27
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UEDA KEIJI , SUZUKI SHINICHI , INOHARA YASUTO , KOMORI TSUTOMU
IPC分类号： C22C38/00 , B65D90/00 , C21D6/00 , C21D8/02 , C22C38/14 , C22C38/60 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a steel for a crude oil tank in which excellent toughness can be obtained even in the case of being subjected to high heat input welding of >100 kJ/cm, and further, local corrosion and uniform corrosion can be reduced in the case of being used in uncoated and primer-coated conditions, and to provide its production method. SOLUTION: A steel stock having a composition comprising, by mass, 0.03 to 0.2% C, 0.05 to 0.8% Si, 0.5 to 2.5% Mn, ≤0.03% P, ≤0.005% S, 0.005 to 0.06% Al, 0.001 to 0.3% W, 0.005 to 0.03% Ti and 0.002 to 0.007% N, satisfying 2.0 3 to Ar 3 +150°C at a cumulative draft of ≥25% and also at a rolling finishing temperature of ≥Ar 3 , and is successively cooled at a cooling rate of ≤60°C/s. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：为了提供即使在进行> 100kJ / cm的高热输入焊接的情况下也可以获得优异的韧性的原油罐的钢，此外，局部腐蚀和均匀在未涂布和底漆涂布的情况下可以减少腐蚀，并提供其制造方法。＆lt; P＆gt;解决方案：具有以质量计含有0.03-0.2％C，0.05-0.8％Si，0.5-2.5％Mn，≤0.03％P，≤0.005％S，0.005-0.06％Al， 0.001〜0.3％的W，0.005〜0.03％的Ti和0.002〜0.007％的N，满足2.0 3 至Ar 3 + 150℃下以≥25％的累积牵伸速度进行热轧，轧制终轧温度≥Ar 3 ，以≤60℃/ s的冷却速度依次冷却。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007262558A Sulfuric acid dew point corrosion resistant steel having excellent hydrochloric acid resistance 有权
标题翻译：具有卓越耐盐酸性的硫酸耐腐蚀耐腐蚀钢
公开(公告)号：JP2007262558A
公开(公告)日：2007-10-11
申请号：JP2006093150
申请日：2006-03-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： INOHARA YASUTO , KOMORI TSUTOMU
IPC分类号： C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a sulfuric acid dew point corrosion resistant steel having improved hydrochloric acid resistance without deteriorating its sulfuric acid dew point corrosion resistance.
SOLUTION: The sulfuric acid dew point corrosion resistant steel has a composition comprising, by mass, 0.01 to 0.12% C, 0.01 to 1.5% Si, 0.1 to 2.5% Mn, ≤0.05% P, 0.005 to 0.03% S, 0.03 to 1.0% Cu, 0.002 to 0.7% Sb, 0.003 to 0.5% W and 0.005 to 0.5% Al, and the balance Fe with inevitable impurities, and in which C, Sb and W satisfy the relation in inequality (1); 2.5≤(W+Sb)/C ... (1) (wherein, W, Sb and C denote the content (mass%) of each component).
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种硫酸露点耐腐蚀钢，其具有改善的耐盐酸性而不劣化其硫酸露点腐蚀性。解决方案：硫酸露点耐腐蚀钢具有质量分数为0.01〜0.12％的Si，0.01〜1.5％的Si，0.1〜2.5％的Mn，≤0.05％的P，0.005〜0.03％的S， 0.03〜1.0％的Cu，0.002〜0.7％的Sb，0.003〜0.5％的W和0.005〜0.5％的Al，余量为Fe与不可避免的杂质，C，Sb，W满足不等式（1）的关系。 2.5≤（W + Sb）/ C ...（1）（其中，W，Sb和C表示各成分的含量（质量％））。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007063610A Anti-corrosive steel material for crude oil tank 有权
标题翻译：原油油罐用抗腐蚀钢材
公开(公告)号：JP2007063610A
公开(公告)日：2007-03-15
申请号：JP2005250479
申请日：2005-08-31
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： INOHARA YASUTO , KOMORI TSUTOMU
IPC分类号： C22C38/00 , C21D8/02 , C22C38/12 , C22C38/60 , C23C26/00
摘要： PROBLEM TO BE SOLVED: To provide a steel material which is suitable for an oil tank in an oil tanker and a tank for transporting or storing crude oil, and inhibits localized corrosion from occurring in the bottom plate of the crude oil tank and general corrosion from occurring in the top plate and side plate of the crude oil tank, when the bare steel material or the steel material coated with a primer is used in the above places.
SOLUTION: The steel material comprises, by mass%, 0.001-0.16% C, 0.01-1.5% Si, 0.1-2.5% Mn, 0.05% or less P, 0.01% or less S, 0.001-0.5% W, 0.005-0.5% Al, one or more elements selected among 0.005-0.3% Sn, 0.005-0.3% Sb, 0.001-0.5% Mo, 0.005-0.1% Nb, 0.005-0.1% V, 0.005-0.1% Ti, 0.01% or less B, 0.0005-0.05% REM and 0.0002-0.005% Ca, as needed, and the balance Fe with unavoidable impurities.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种适用于油罐车油箱和用于运输或储存原油的罐的钢材，并且抑制在原油罐的底板中发生局部腐蚀，在上述地方使用裸钢材料或涂有底漆的钢材时，在原油罐的顶板和侧板上发生一般腐蚀。钢材以质量％计含有0.001〜0.1％的C，0.01〜1.5％的Si，0.1〜2.5％的Mn，0.05％以下的P，0.01％以下的S，0.001-0.5％的W， 0.005-0.5％的Al，选自0.005-0.3％Sn，0.005-0.3％Sb，0.001-0.5％Mo，0.005-0.1％Nb，0.005-0.1％V，0.005-0.1％Ti，0.01％或更少的B，0.0005-0.05％的REM和0.0002-0.005％的Ca，并且余量为Fe和不可避免的杂质。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2005290437A Steel product for tanker bottom plate having excellent pitting resistance and tanker 审中-公开
标题翻译：用于具有优异耐压性和耐用性的罐底板的钢产品
公开(公告)号：JP2005290437A
公开(公告)日：2005-10-20
申请号：JP2004104781
申请日：2004-03-31
申请人： Chugoku Marine Paints Ltd , Jfe Steel Kk , Jfeスチール株式会社 , Mitsui O S K Lines Ltd , 中国塗料株式会社 , 株式会社商船三井
发明人： OYABU HIROHIKO , AIKAWA HISAO , KOMORI TSUTOMU , INOHARA YASUTO
IPC分类号： B63B25/08 , C23F11/00
摘要： PROBLEM TO BE SOLVED: To provide steel products having excellent pitting resistance, due to which the need for periodic coating application of a rust inhibitive paint to an oil tank of a tanker is eliminated, and thereby the drastic reduction of a running cost is made possible.
SOLUTION: The layer of the oxide of zinc and iron is formed on the surface of the steel products for a tanker bottom plate having the excellent pitting resistance. The major component of the oxide of the zinc and the iron formed on the surface is Fe
0.85-X Zn
X O. Further, a primer containing the zinc needs be applied on the steel products for the tanker bottom plate having the excellent pitting resistance before the tanker used with such steel products operates. For example, the steel products are required to be coated with the primer having an amount of the zinc of ≥5 g/m
2 in average and an average thickness of ≥5 μm.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有优异耐点蚀性的钢产品，由于消除了对油罐的油箱的防锈涂料的周期性涂布的需要，从而大大降低了运行成本成为可能解决方案：在具有优异耐点蚀性的油罐底板的钢制品的表面上形成锌和铁的氧化物层。在表面形成的锌和铁的氧化物的主要成分是Fe 0.85-X Zn X O。此外，在与这种钢制品一起使用的油罐运行之前，需要在含有耐点蚀性优良的油罐底板的钢制品上涂上含锌的底漆。例如，要求钢材平均涂布锌含量≥5g/ m 2＆lt; SP＆gt;的平均厚度≥5μm的底漆。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2007224344A Corrosion resistant marine steel material 有权
标题翻译：耐腐蚀海水钢材
公开(公告)号：JP2007224344A
公开(公告)日：2007-09-06
申请号：JP2006044961
申请日：2006-02-22
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOMORI TSUTOMU , INOHARA YASUTO , TSURUTA HIDEKAZU , SHIOTANI KAZUHIKO
IPC分类号： C23C26/00 , B32B15/01 , C22C38/00 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide corrosion resistant marine steel material coated with an Zn-based primer which can be suitably used for parts such as a crude oil tank and a ballast tank in a vessel whose corrosion caused by vessel seawater becomes a problem.
SOLUTION: The corrosion resistant marine steel material is obtained by coating the surface thereof with the Zn-based primer and is characterized in that the coating weight of Zn of a Zn-based primer coating film is 5 to 70 g/m
2 , and the coating film contains one or more selected from among Ni, Al, Cu, Mo, W, Mg and Ti in an amount of 0.1 to 35 mass% to the total Zn content.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供涂覆有Zn基底漆的耐腐蚀海洋钢材料，其可适用于容器海水腐蚀引起的腐蚀性容器中的原油罐和压载舱等部件问题。解决方案：通过用Zn基底漆涂覆其表面，得到耐腐蚀海水钢材料，其特征在于，Zn系底漆涂膜的Zn的涂布重量为5〜70g / SP> 2 <＆SP>，并且所述涂膜含有相对于总Zn含量为0.1〜35质量％的选自Ni，Al，Cu，Mo，W，Mg和Ti中的一种以上。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007291494A Corrosion-resistant steel material for crude oil storage tank, and crude oil storage tank 有权
标题翻译：原油储油罐耐腐蚀钢材，原油储油罐
公开(公告)号：JP2007291494A
公开(公告)日：2007-11-08
申请号：JP2007004003
申请日：2007-01-12
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SHIOTANI KAZUHIKO , INOHARA YASUTO , KOMORI TSUTOMU
IPC分类号： C22C38/00 , B65D90/22 , C22C38/38 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a steel material which, when used in an oil tank for an oil tanker, a tank for transporting a crude oil, a tank for storage of a crude oil or the like, can reduce a local corrosion on a bottom plate or a general corrosion on a top board or a side board.
SOLUTION: The steel material for a crude oil storage tank contains: 0.001 to 0.16 mass% C; 0.01 to 1.5 mass%Si; 0.1 to 2.5 mass% Mn; ≤0.025 mass% P; ≤0.01 mass% S; 0.005 to 0.1 mass% Al; 0.001 to 0.008 mass% N; 0.001 to 0.5 mass% W; and ≥0.06 to
摘要翻译：要解决的问题：提供一种钢材，当用于油罐油箱时，用于运输原油的罐，用于储存原油的罐等可以减少局部底板上的腐蚀或顶板或侧板上的一般腐蚀。
解决方案：原油储罐的钢材含有0.001〜0.16质量％的C; 0.01〜1.5质量％的Si; 0.1〜2.5质量％Mn ≤0.025质量％P; ≤0.01质量％S; 0.005〜0.1质量％的Al 0.001〜0.008质量％N; 0.001〜0.5质量％W ≥0.06〜<0.20质量％Cr; 余量为Fe和不可避免的杂质。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2005290479A Steel material for bottom plate of crude oil tank 有权
标题翻译：原油油罐底板钢材
公开(公告)号：JP2005290479A
公开(公告)日：2005-10-20
申请号：JP2004107235
申请日：2004-03-31
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： INOHARA YASUTO , KOMORI TSUTOMU
IPC分类号： B65D90/02 , B65D90/22 , C22C38/00 , C22C38/16
摘要： PROBLEM TO BE SOLVED: To provide a steel material for the bottom plate of a crude oil tank having excellent local corrosion resistance even in the case of use in a state where no rust-preventive coating is applied.
SOLUTION: The steel material for the bottom plate of a crude oil tank having excellent local corrosion resistance and used for the bottom plate of a crude-oil storage tank or a crude-oil transport tank has a chemical composition which consists of, by mass, 0.001 to 0.20% C, 0.01 to 1.0% Si, 0.1 to 1.5% Mn, ≤0.03% P, ≤0.01% S, further one or more kinds among 0.1 to 1% Cu, 0.01 to 2% Ni, 0.1 to 4% Cr and 0.001 to 1% Mo, and the balance Fe with inevitable impurities and in which the value of Pcm represented by equation Pcm=C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B is made to ≤0.22.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在不施加防锈涂层的状态下使用的情况下，也可以提供具有优异的局部耐腐蚀性的原油罐底板的钢材。解决方案：用于原油储罐或原油运输罐底板的具有优异的局部耐腐蚀性的原油罐底板的钢材具有化学成分，，0.001〜0.20％的C，0.01〜1.0％的Si，0.1〜1.5％的Mn，≤0.03％的P，≤0.01％的S，Cu：0.1〜1％，Ni：0.01〜2％，Ni：0.1 至4％的Cr和0.001〜1％的Mo，余量为Fe与不可避免的杂质，其中由式Pcm = C + Si / 30 + Mn / 20 + Cu / 20 + Ni / 60 + Cr / 20 + Mo / 15 + V / 10 + 5B为≤0.22。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2012154441A Method for manufacturing inner surface coated steel pipe for water piping 有权
标题翻译：用于制造水管内表面涂层钢管的方法
公开(公告)号：JP2012154441A
公开(公告)日：2012-08-16
申请号：JP2011014989
申请日：2011-01-27
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： INOHARA YASUTO , SUGAWARA KEIJI , HOSHINO TOSHIYUKI , MIYATA SHIRO
IPC分类号： F16L9/14 , B05D3/10 , B05D7/22 , B32B1/08 , B32B15/085 , C23C22/83
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing inner surface coated steel pipe for water piping that can improve peeling resistance of a coating layer in a wide temperature region without using a polyvinyl chloride resin as the coating layer.SOLUTION: In the method for manufacturing the inner surface coated steel pipe for water piping which has a chemical conversion treated coating layer on the inner surface of a steel pipe, has a primer layer on the upper surface of the chemical conversion treated coating layer and has a modified polyethylene resin layer on the upper surface of the primer layer, the concentration of suspended material of final washing water used for washing the upper surface of the chemical conversion treated coating layer before forming the primer layer is controlled to 120 mg/L or less.
摘要翻译：要解决的问题：提供一种用于制造水管道的内表面涂层钢管的方法，其可以在不使用聚氯乙烯树脂作为涂层的情况下，在宽的温度范围内提高涂层的耐剥离性。解决方案：在钢管内表面上具有化学转化处理涂层的水管内表面涂层钢管的制造方法中，在化学转化处理涂层的上表面上具有底漆层并且在底漆层的上表面上具有改性聚乙烯树脂层，在形成底漆层之前将用于洗涤化学转化处理的涂层的上表面的最终洗涤水的悬浮物的浓度控制为120mg / L以下。版权所有（C）2012，JPO＆INPIT

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