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1. 发明专利

JP2008106371A Zinc-rich primer-coated steel material having excellent iron rust generation resistance in state of not being coated with resin based coating material composed of one or more kinds selected from butyral resin, polyester resin and epoxy resin 有权
标题翻译： ZINC-RICH PRIMER涂层钢材料在不涂覆基于树脂的涂料材料的状态下具有优异的铁矿石耐火材料，其由选自丁基树脂，聚酯树脂和环氧树脂的一种或多种种类组合
公开(公告)号：JP2008106371A
公开(公告)日：2008-05-08
申请号：JP2007339399
申请日：2007-12-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SHIOTANI KAZUHIKO , YAMANE YASUYOSHI
IPC分类号： C22C38/00 , C22C38/08 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a zinc-rich primer-coated steel material having excellent iron rust generation resistance in a state of not being coated with a resin based coating material composed of one or more kinds selected from a butyral resin, a polyester resin and an epoxy resin whose iron rust generation resistance is improved by interaction between a zinc-rich primer and the steel material.
SOLUTION: In a zinc-rich primer-coated steel material obtained by coating the surface of a steel material freed from scale with a zinc-rich primer, the steel material has a composition comprising 0.001 to 0.20% C, ≤0.60% Si, 0.1 to 2.0% Mn, ≤0.030% P, ≤0.01% S, 0.004 to 0.08% Al and 0.1 to
摘要翻译：待解决的问题：为了提供一种在不涂覆由选自丁缩醛树脂中的一种或多种的树脂基涂料的状态下具有优异铁锈生成性的富锌底漆涂覆钢材，聚酯树脂和环氧树脂，其铁锈生成电阻通过富锌底漆与钢材之间的相互作用而提高。解决方案：在通过用富锌底漆涂覆无垢鳞片的钢材表面获得的富锌底漆涂层钢材中，钢材具有包含0.001至0.20％C，≤0.60％ Si，0.1〜2.0％Mn，≤0.030％P，≤0.01％S，0.004〜0.08％Al，0.1〜0.50％Ni，还含有选自0.2〜0.5％Cu，0.2〜0.5％ Cr和0.1〜0.5％Mo。或者，钢材具有以上组成中排除Cu，Cr和Mo的组成，并且Ni含量的范围也变窄至0.1至<0.23％。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2004042133A Welded joint of excellent stress corrosion cracking resistance, and method for manufacturing the same 审中-公开
公开(公告)号：JP2004042133A
公开(公告)日：2004-02-12
申请号：JP2002236763
申请日：2002-08-15
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YAMANE YASUYOSHI , MORIKAGE YASUSHI , KUBO TAKAHIRO , YASUDA KOICHI
IPC分类号： B23K31/00 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a welded joint of excellent stress corrosion cracking resistance, and a method for manufacturing the welded joint.
SOLUTION: Steel members are welded to each other to form a welded part by using a welding material, additional welding is performed on a toe of the welded part, and the maximum residual tensile stress in the surface in a vicinity of the toe is ≤ 30% of 0.2% proof stress. Additional welding is preferably performed by using the welding material for forming a weld metal having the transformation start temperature of ≥ 50°C and

3. 发明专利

JP2004002948A Steel for crude oil tank bottom plate 有权
公开(公告)号：JP2004002948A
公开(公告)日：2004-01-08
申请号：JP2002236243
申请日：2002-08-14
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YAMANE YASUYOSHI , HOSHINO TOSHIYUKI , OI KENJI , NISHIMURA KIMIHIRO , SHIOTANI KAZUHIKO , AMANO KENICHI
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide steel for a bottom plate of a crude oil tank by which localized corrosion can be prevented.
SOLUTION: The steel has a composition which consists of 0.001 to 0.20% C, 0.10 to 0.40% Si, 0.5 to 2.0% Mn, ≤0.020% P, ≤0.010% S, 0.01 to 0.50% Al, 0.50 to 1.50% or 2.5 to 6.0% Cr,

4. 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

5. 发明专利

JP2004359980A Steel material for bottom plate of crude oil tank 审中-公开
公开(公告)号：JP2004359980A
公开(公告)日：2004-12-24
申请号：JP2003157551
申请日：2003-06-03
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YAMANE YASUYOSHI , SHIOTANI KAZUHIKO
IPC分类号： C21D8/02 , C22C38/00 , C22C38/08 , C22C38/16
摘要： PROBLEM TO BE SOLVED: To provide a steel material having excellent localized corrosion resistance for the bottom plate of a crude oil tank.
SOLUTION: A steel stock having a composition consisting of 0.001 to 0.2% C, 0.1 to 0.4% Si, 0.1 to 2% Mn, ≤0.02% P, ≤0.01% S, 0.01 to 0.1% Al, 1.0 to 5% Ni and the balance preferably Fe with inevitable impurities is hot-rolled into a steel material of prescribed shape and dimension and then cooled at 0.1 to 20 °C/s cooling rate so as to be formed into a structure consisting of a bainite single phase or containing a bainite phase. Moreover, the composition can further contain Cu and/or one or more elements selected from Mo, Ti, Nb, V and B and/or either or both of Zr and Ca.
COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2003321090A Method of preventing corrosion of crude oil tank 审中-公开
标题翻译：防止原油油罐腐蚀的方法
公开(公告)号：JP2003321090A
公开(公告)日：2003-11-11
申请号：JP2002125885
申请日：2002-04-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YAMANE YASUYOSHI
IPC分类号： B65D90/22
摘要： PROBLEM TO BE SOLVED: To provide a method of reducing corrosion occurring on the internal surface of a tank for transporting or storing crude oil.
SOLUTION: The method comprises a step of pouring a water-soluble oxygen scavenger into the tank. The step is preferably taken before the crude oil is loaded and/or after the oil is unloaded.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供减少用于运输或储存原油的罐的内表面发生腐蚀的方法。解决方案：该方法包括将水溶性氧清除剂倒入罐中的步骤。该步骤优选在原油装载之前和/或在油卸载之后进行。版权所有（C）2004，JPO

7. 发明专利

JP2004190059A Steel product with excellent coating peeling resistance 审中-公开
公开(公告)号：JP2004190059A
公开(公告)日：2004-07-08
申请号：JP2002356392
申请日：2002-12-09
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YAMANE YASUYOSHI
IPC分类号： B32B15/08 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel product having excellent coating peeling resistance under atmospheric environment.
SOLUTION: The steel product is used after being subjected to descaling, to application of an organic Zn primer and then to coating and has a composition consisting of, by mass, 0.001 to 0.20% C, 0.10 to 0.40% Si, 0.5 to 2.0% Mn, ≤0.020% P, ≤0.010% S, ≤0.020% Al, 0.10 to 0.30% Cu, 0.30 to 5.0% Ni, 0.10 to 0.30% Cr, 0.30 to 2.0% Mo and the balance Fe with inevitable impurities or further containing ≤0.010% Ti and/or one or more kinds selected from ≤0.2% Nb, ≤0.2% V and ≤0.005% B and/or one or more kinds selected from ≤0.2% Zr, ≤0.006% Ca and ≤0.006% REM, and having the balance Fe with inevitable impurities.
COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2004232057A Zinc rich primer-coated steel having excellent iron rust resistance 审中-公开
标题翻译： ZINC丰富的镀锌钢铁具有优异的耐铁性
公开(公告)号：JP2004232057A
公开(公告)日：2004-08-19
申请号：JP2003023812
申请日：2003-01-31
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SHIOTANI KAZUHIKO , YAMANE YASUYOSHI
IPC分类号： C22C38/00 , C22C38/08 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide a zinc rich primer-coated steel having improved and excellent iron rust resistance by the interaction of a zinc rich primer with a steel material.
SOLUTION: The zinc rich primer-coated steel having excellent iron rust generation resistance is obtained by coating the surface of a steel freed from scales with a zinc rich primer. The steel has a composition comprising, by mass, 0.001 to 0.20% C, ≤0.60% Si, 0.1 to 2.0% Mn, ≤0.030% P, ≤0.01% S, 0.004 to 0.08% Al and 0.1 to 1.0% Ni, or further comprising one or more kinds of metals selected from 0.2 to 0.5% Cu, 0.2 to 0.5% Cr and 0.1 to 0.5% Mo, and the balance Fe with inevitable impurities.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：通过富锌底漆与钢材的相互作用提供具有改进且优异的耐铁锈性的富锌底漆涂层钢。解决方案：通过用富锌底漆涂覆不含鳞屑的钢的表面，获得具有优异的铁锈生成性的富锌底漆涂层钢。该钢的组成为：含有0.001〜0.20％的C，≤0.60％的Si，0.1〜2.0％的Mn，≤0.030％的P，≤0.01％的S，0.004〜0.08％的Al和0.1〜1.0％的Ni，或者进一步含有选自0.2〜0.5％的Cu，0.2〜0.5％的Cr和0.1〜0.5％Mo的一种或多种金属，余量为Fe与不可避免的杂质。版权所有（C）2004，JPO＆NCIPI

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