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31. 发明专利

JP2009179882A Steel having excellent seaside weather resistance and structure 有权
标题翻译：具有优异的海上耐候性和结构的钢铁
公开(公告)号：JP2009179882A
公开(公告)日：2009-08-13
申请号：JP2009114734
申请日：2009-05-11
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAMIMURA TAKAYUKI , KAJIMA KAZUYUKI , YUKI HIDEAKI
IPC分类号： C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a low-cost steel having excellent seaside weather resistance and capable of exhibiting excellent weather resistance even in a severe corrosive environment where the amount of flying salt exceeds 1 mdd (mg/dm
2 /day).
SOLUTION: The steel has a composition comprising, by mass, 0.001 to 0.15% C, ≤2.5% Si, >0.5 to 2.5% Mn,
摘要翻译：要解决的问题：为了提供具有优良的海边耐候性并能够显示优异的耐候性的低成本钢，即使在飞盐的量超过1mdd（mg / dm 2）的剧烈腐蚀环境中 /天）。解决方案：钢的组成包括：质量分数为0.001〜0.15％的Si，≤2.5％的Si，> 0.5〜2.5％的Mn，0.03％的P，≤0.005％的S，0.05〜1.0％的Cu，0.01 至0.5％的Ni，0.01〜3.0％的Cr，0.003〜2.5％的Al和0.001〜0.1％的N，Sn和/或Sb为0.03〜0.50％，还含有选自0.01〜0.3％Ti，，0.01〜0.1％的Nb，0.01〜1.0％的Mo，0.01〜1.0％的W，0.01〜1.0％的V，0.0001〜0.1％的Ca，0.0001〜0.1％的Mg和0.0001〜0.02的稀土金属，余量为Fe 杂质，其中Ni / Cu的质量比≤0.5。钢的表面可以涂覆有防腐蚀涂层。版权所有（C）2009，JPO＆INPIT

32. 发明专利

JP2006118011A Steel having excellent seaside weather resistance and structure 有权
标题翻译：具有优异的海上耐候性和结构的钢铁
公开(公告)号：JP2006118011A
公开(公告)日：2006-05-11
申请号：JP2004308446
申请日：2004-10-22
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAMIMURA TAKAYUKI , KAJIMA KAZUYUKI , YUKI HIDEAKI
IPC分类号： C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a low-cost steel having excellent seaside weather resistance and capable of exhibiting excellent weather resistance even in a severe corrosive environment where the amount of flying salt exceeds 1 mdd (mg/dm
2 /day).
SOLUTION: The steel has a composition comprising, by mass, 0.001 to 0.15% C, ≤2.5% Si, >0.5 to 2.5% Mn,
摘要翻译：要解决的问题：为了提供具有优良的海边耐候性并能够显示优异的耐候性的低成本钢，即使在飞盐的量超过1mdd（mg / dm 2）的剧烈腐蚀环境中 /天）。解决方案：钢的组成包括：质量分数为0.001〜0.15％的Si，≤2.5％的Si，> 0.5〜2.5％的Mn，0.03％的P，≤0.005％的S，0.05〜1.0％的Cu，0.01 至0.5％的Ni，0.01〜3.0％的Cr，0.003〜2.5％的Al和0.001〜0.1％的N，Sn和/或Sb为0.03〜0.50％，还含有选自0.01〜0.3％Ti，，0.01〜0.1％的Nb，0.01〜1.0％的Mo，0.01〜1.0％的W，0.01〜1.0％的V，0.0001〜0.1％的Ca，0.0001〜0.1％的Mg和0.0001〜0.02的稀土金属，余量为Fe 杂质，其中Ni / Cu的质量比≤0.5。钢的表面可以涂覆有防腐蚀涂层。版权所有（C）2006，JPO＆NCIPI

33. 发明专利

JP2004360064A Steel material superior in beach weather resistance, and structure using it 有权
公开(公告)号：JP2004360064A
公开(公告)日：2004-12-24
申请号：JP2003402593
申请日：2003-12-02
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAJIMA KAZUYUKI , YUKI HIDEAKI , KAMIMURA TAKAYUKI
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel material which has adequate weather resistance under an environment having much airborne salt, and is suitable for a structure like a bridge in a beach area or an area where snow-melting salts are scattered. SOLUTION: The steel material superior in beach weather resistance comprises, by mass%, 0.001-0.15% C, 2.5% or less Si, 5.0% or less Mn, 0.03% or less P, 0.005% or less S, 0.05-1.0% Cu, 0.1-9.0% or less Ni, 0.01-3.0% Cr, 0.003-2.5% Al, 0.001-0.1% N, further 0.03-0.50% Sn and/or Sb, and the balance Fe with impurities. The steel material preferably contains one or more optional elements from among Ti, Nb, Mo, W, V, Ca and Mg, and/or REM; or the surface is covered with a corrosion resistant coating. COPYRIGHT: (C)2005,JPO&NCIPI

34. 发明专利

JP2004308790A Steel pipe having inner face coated with polyolefin resin 有权
公开(公告)号：JP2004308790A
公开(公告)日：2004-11-04
申请号：JP2003103253
申请日：2003-04-07
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAMIMURA TAKAYUKI , TAKAHASHI KATSU
IPC分类号： F16L9/14 , B32B1/08 , B32B15/08 , B32B15/085
摘要： PROBLEM TO BE SOLVED: To provide a steel pipe having an inner face coated with a polyolefin resin, capable of improving the adhesion durability.
SOLUTION: Two or more resin layers composed of a polyolefin resin layer 4 and an olefin adhesive resin layer 3 having the polarity is formed on the inner face of a main steel pipe 2 through a manganese phosphate coating 5 in a state that the innermost layer is the polyolefin resin layer 4, and the surface roughness Rz of the steel pipe inner face provided with the manganese phosphate coating 5 is 5-35 μm. The amount of deposition of the manganese phosphate coating is preferably 0.5-2.5 g/m
2 .
COPYRIGHT: (C)2005,JPO&NCIPI

35. 发明专利

JP2004176153A Surface-treated steel excellent in salt resistance 有权
公开(公告)号：JP2004176153A
公开(公告)日：2004-06-24
申请号：JP2002345897
申请日：2002-11-28
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAMIMURA TAKAYUKI , KUDO TAKEO , YUKI HIDEAKI
IPC分类号： B05D7/14 , B32B15/08 , C23C22/46 , C23C22/50 , C23F11/00
摘要： PROBLEM TO BE SOLVED: To provide a maintenance-free surface-treated steel excellent in salt resistance and scenic view which is produced without using heavy metals and enables a protective rust layer to be formed early on the surface of the surface-treated steel without impairing the appearance even in a vicinity of sea shore or even under the environment of chloride in which anti-freezing agent is sprayed.
SOLUTION: Surface treatment agent to promote formation of a protective rust layer contains 5-50 mass% anion (except fluorine ions, phosphoric ions and hydroxide ions) in which the formation constant K
1 with Fe
3+ ion satisfies the formula, 2.5 1 , preferably water-soluble compound of organic acid ions such as citric acid (for example, sodium salt). The surface-treated steel has an organic resin film in which the surface of the surface-treated steel is coated with the surface treatment agent to a dry film thickness of 5-50 μm.
COPYRIGHT: (C)2004,JPO

36. 发明专利

JP2012214907A Steel products coated with heavy corrosion resistant protected cover 审中-公开
标题翻译：钢制产品涂有耐腐蚀保护罩
公开(公告)号：JP2012214907A
公开(公告)日：2012-11-08
申请号：JP2012161063
申请日：2012-07-20
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAMIMURA TAKAYUKI , YUKI HIDEAKI , KAJIMA KAZUYUKI
IPC分类号： C22C38/00 , C22C38/58 , C23F11/00
摘要： PROBLEM TO BE SOLVED: To provide steel products coated with a heavy corrosion resistant protected cover, improved in corrosion resistance and adhesion durability in a marine splash part.SOLUTION: The steel products coated with a heavy corrosion resistant protected cover have a composition containing, by mass%, 0.001-0.15% of C, 2.5% or less of Si, more than 0.5% but 2.5% or less of Mn, less than 0.03% of P, 0.005% or less of S, less than 0.2% of Cu, less than 0.2% of Ni, 0.01 to 3.0% of Cr, 0.003-0.1% of Al, 0.001-0.1% of N and 0.03-0.50% of Sn, with the balance of Fe and impurities, and having a Cu/Sn ratio of 1 or less. The steel products may further include one or more elements among Ti, Nb, Mo, V, Ca, Mg and REM.
摘要翻译：要解决的问题：为了提供涂覆有耐腐蚀保护盖的钢制品，在海洋飞溅部件中提高耐腐蚀性和粘附耐久性。解决方案：涂覆有耐腐蚀保护盖的钢制品具有以质量％计含有C：0.001-0.15％，2.5％或更少的Si，大于0.5％但2.5％或更少的Mn ，小于0.03％的P，0.005％以下的S，小于0.2％的Cu，小于0.2的Ni，0.01〜3.0％的Cr，0.003〜0.1％的Al，0.001-0.1％的N，以及 0.03-0.50％的Sn，余量为Fe和杂质，Cu / Sn比为1以下。钢产品还可以包括Ti，Nb，Mo，V，Ca，Mg和REM中的一种或多种元素。版权所有（C）2013，JPO＆INPIT

37. 发明专利

JP2012122103A Thick steel plate excellent in hydrogen-induced crack resistance, brittle crack propagation arrest characteristic, and corrosion resistance 有权
标题翻译：厚钢板在氢诱导抗裂性方面优异，具有良好的破裂传播特性和耐腐蚀性
公开(公告)号：JP2012122103A
公开(公告)日：2012-06-28
申请号：JP2010274237
申请日：2010-12-09
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SAKAIBORI HIDEO , KUBO SATOSHI , OKUBO TAKESHI , KAWABATA TOMOYA , KAMIMURA TAKAYUKI , YUKI HIDEAKI , KAJIMA KAZUYUKI
IPC分类号： C22C38/00 , B21B3/00 , C21D8/02 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a thick steel plate which is good in tensile properties, DWTT (drop weight tear test) properties, HIC (hydrogen-induced crack) resistance, and corrosion resistance and can be produced inexpensively by suppressing a steeply increasing energy cost.SOLUTION: The thick steel plate has such a chemical composition that it contains, by mass%, 0.01-0.17% C, 0.01-0.60% Si, 0.4-1.8% Mn, 0.02% or less P, 0.01% or less S, 0.001 to below 0.01% Nb, 0.001-0.06% Al, 0.03-0.50% Sn, 0.01% or less N, and 0.005% or less O, with the balance comprising Fe and impurities and has a VS value of 0.25-0.65, wherein the VS value is represented by formula (1) shown below, and has such a microstructure that the proportion of bainite is 90% or more. The thick steel plate may further has a specified amount of at least one element selected from among Cu, Cr, Mo, V, Ti, Ni, B, Ca, Mg, and REM. The formula (1) is shown by: VS=C+Mn/5+5P-Ni/10-Mo/10+Cu/10, wherein C, Mn, P, Ni, Mo, and Cu represent the contents (mass%) of the respective elements.
摘要翻译：要解决的问题：提供拉伸性能，DWTT（滴重撕裂试验）性，HIC（氢诱发裂纹）抗性和耐腐蚀性良好的厚钢板，并且可以通过抑制能源成本急剧上升。解决方案：厚钢板具有以质量％计含有0.01-0.17％C，0.01-0.60％Si，0.4-1.8％Mn，0.02％以下P，0.01％以下的化学组成 S：0.001〜0.01％以下的Nb，0.001-0.06％的Al，0.03〜0.50％的Sn，0.01％以下的N，以及0.005％以下的O，余量由Fe和杂质构成，VS值为0.25〜0.65 ，其中VS值由下面所示的式（1）表示，并且具有贝氏体的比例为90％以上的微观结构。厚钢板还可以具有规定量的选自Cu，Cr，Mo，V，Ti，Ni，B，Ca，Mg和REM中的至少一种元素。式（1）表示为：VS = C + Mn / 5 + 5P-Ni / 10-Mo / 10 + Cu / 10，其中C，Mn，P，Ni，Mo和Cu表示含量（质量％）。版权所有（C）2012，JPO＆INPIT

38. 发明专利

JP2012117132A Low yield ratio steel material excellent in corrosion resistance and manufacturing method thereof 有权
标题翻译：低耐蚀比钢材优良的耐腐蚀性及其制造方法
公开(公告)号：JP2012117132A
公开(公告)日：2012-06-21
申请号：JP2010269893
申请日：2010-12-03
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OKUBO TAKESHI , SAKAIBORI HIDEO , KAWABATA TOMOYA , KUBO SATOSHI , SUMIYA YASUNORI , KAMIMURA TAKAYUKI , YUKI HIDEAKI , KAJIMA KAZUYUKI
IPC分类号： C22C38/00 , B21B1/38 , C21D8/02 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a low yield ratio steel material excellent in corrosion resistance which has tensile strength of 490 MPa or more, yield ratio of 80% or more and fracture transition temperature of -20°C or below, and can be manufactured at a low cost suppressing appreciating energy cost.SOLUTION: The low yield ratio steel material excellent in corrosion resistance has a chemical composition containing C:0.05-0.20%, Si:0.10-0.50%, Mn:1.0-2.0%, P:0.05% or less, S:0.02% or less, Nb:0.01% or less, Al:0.003-0.050% or less and Sn:0.03-0.50%, in mass%, and the remainder being Fe and impurities. In the low yield ratio steel material, the microstructure includes a ferrite phase whose average grain size is exceeding 3 μm and not exceeding 20 μm, a hard phase whose average aspect ratio is less than 10, and an unavoidable forming phase, wherein the ratio of the ferrite phase is 40% or more, and the ratio of the unavoidable forming phase is 5% or less. The chemical composition may contain one or more kinds of Cu, Ni, Cr, Mo and V.
摘要翻译：要解决的问题：为了提供抗拉强度为490MPa以上，屈服比为80％以上，断裂转变温度为-20℃以下的耐腐蚀性优异的低屈服比钢材，以及可以以低成本制造抑制升华能量成本。解决方案：耐腐蚀性优异的低屈服比钢材料具有C：0.05-0.20％，Si：0.10-0.50％，Mn：1.0-2.0％，P：0.05％以下的化学组成，S： 0.02％以下，Nb：0.01％以下，Al：0.003〜0.050％以下，Sn：0.03〜0.50％，余量由Fe和杂质构成。在低屈服比钢材中，微观结构包括平均粒径超过3μm且不超过20μm的铁素体相，平均纵横比小于10的硬质相和不可避免的成形相，其中，铁素体相为40％以上，不可避免的成形相的比例为5％以下。化学成分可能含有一种或多种Cu，Ni，Cr，Mo和V.版权所有（C）2012，JPO＆INPIT

39. 发明专利

JP2012092379A High-strength thick steel plate excellent in arrest property and corrosion resistance 有权
标题翻译：高强度厚钢板优良的耐腐蚀性和耐腐蚀性
公开(公告)号：JP2012092379A
公开(公告)日：2012-05-17
申请号：JP2010239292
申请日：2010-10-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , KAWABATA TOMOYA , KAMIMURA TAKAYUKI , YUKI HIDEAKI , KAJIMA KAZUYUKI
IPC分类号： C22C38/00 , C21D8/02 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-strength thick steel plate excellent in arrest property and corrosion resistance inexpensively.SOLUTION: The high-strength thick steel plate excellent in arrest property and corrosion resistance has a chemical composition including by mass: 0.01 to 0.12% C; ≤0.5% Si; 0.4 to 2.0% Mn; ≤0.05% P; ≤0.008% S; 0.002 to 0.05% Al; ≤0.01% N; 0.003 to 0.1% Nb; 0.03 to 0.50% Sn; and balance Fe with inevitable impurities. This steel plate has: a carbon equivalent Ceq represented by formula (1) below, of 0.32 to 0.40; a ferrite structural fraction in a (1/2)t part of a plate thickness, of ≥80%; an effective crystal particle diameter in a (1/2)t part of the plate thickness, of ≤25 μm; and the average value of the total of X-ray intensity ratios in the (321), (211) and (110) planes in a direction of an angle of 45° in the (1/2)t part and a (1/4)t part of the plate thickness, of ≤3.3. The steel plate may further include Cu, Ni, Cr and the like. Here, Ceq=C+Mn/6+Cu/15+Ni/15+Cr/5+Mo/5+V/5 (1).
摘要翻译：要解决的问题：提供廉价优异的阻燃性和耐腐蚀性的高强度厚钢板。解决方案：悬浮性和耐腐蚀性优异的高强度厚钢板具有质量：0.01〜0.12％的化学组成; ≤0.5％Si; 0.4〜2.0％Mn; ≤0.05％P; ≤0.008％S; 0.002〜0.05％Al; ≤0.01％N; 0.003〜0.1％Nb; 0.03〜0.50％Sn; 并将Fe与不可避免的杂质平衡。该钢板具有：由下式（1）表示的碳当量Ceq为0.32〜0.40; 板厚（1/2）t部分的铁素体结构部分≥80％; 板厚（1/2）t部分的有效晶粒直径≤25μm; 和（1/2）t部分的角度为45°的方向的（321），（211）和（110）面中的X射线强度比的总和的平均值， 4）t部分板厚，≤3.3。钢板还可以包括Cu，Ni，Cr等。这里，Ceq = C + Mn / 6 + Cu / 15 + Ni / 15 + Cr / 5 + Mo / 5 + V / 5（1）。版权所有（C）2012，JPO＆INPIT

40. 发明专利

JP2012052224A Steel material excelling in toughness of weld heat-affected zone 有权
标题翻译：焊接材料在焊接热影响区域的韧性
公开(公告)号：JP2012052224A
公开(公告)日：2012-03-15
申请号：JP2011168873
申请日：2011-08-02
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SHINTAKU YOSHIAKI , HAMADA MASAHIKO , NISHI TAKAYUKI , OKAYAMA ATSUSHI , YOSHIDA NAOTADA , FUJIWARA TOMOYA , KAMIMURA TAKAYUKI , YUKI HIDEAKI , KAJIMA KAZUYUKI
IPC分类号： C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel material excelling in toughness of a weld heat-affected zone.SOLUTION: This steel material excelling in toughness of a weld heat-affected zone contains, by mass, 0.01-0.2% of C, 0.005-0.15% of Si, 0.3-2.5% of Mn, ≤0.05% of P, ≤0.008% of S, 0.0005-0.0030% of Al, ≤0.010% of N and 0.0010-0.0050% of O, wherein the residual part comprises Fe and impurities; the content of Mg, Ca, REM and Ti as the impurities satisfies the following formula (A) (Mg+Ca+REM+Ti/10) ≤0.001% (wherein, each elemental symbol of Mg, Ca, REM, Ti in the expression represents the content (mass%) of each element included in the steel material); the average composition of oxide particles dispersed in the steel material satisfies, by mass, AlO≥50% and MnO ≥5%; and the average dispersion density of the oxide particles each having a size of 0.4-10 μm by circle-equivalent diameter is ≥50 per 1 mm.
摘要翻译：要解决的问题：提供优异的焊接热影响区域的韧性的钢材。该焊接热影响区域的韧性优异的钢材质量分别含有C：0.01-0.2％，Si：0.005〜0.15％，Mn：0.3〜2.5％，P：0.05％ ≤0.008％的S，0.0005-0.0030％的Al，≤0.010％的N和0.0010-0.0050％的O，其中残余部分包括Fe和杂质; 作为杂质的Mg，Ca，REM，Ti的含量满足下式（A）（Mg + Ca + REM + Ti / 10）≤0.001％（其中，Mg，Ca，REM，Ti的各元素符号表示钢材中包含的各元素的含量（质量％））; 分散在钢材中的氧化物粒子的平均组成按质量满足Al 3 ≥50％，MnO≥ 5％; 并且通过圆当量直径分别具有0.4-10μm尺寸的氧化物颗粒的平均分散密度为每1mm 2 ≥50。版权所有（C）2012，JPO＆INPIT

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