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1. 发明专利

JP2007239095A Acid corrosion resistant steel 有权
标题翻译：酸性耐腐蚀钢
公开(公告)号：JP2007239095A
公开(公告)日：2007-09-20
申请号：JP2007018259
申请日：2007-01-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： USAMI AKIRA , SAKAMOTO TOSHIHARU , NISHIMURA SATORU , OKUJIMA MOTOHIRO , TANAKA MUTSUTO
IPC分类号： C22C38/00 , C22C38/38 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide an acid corrosion resistant steel exhibiting excellent corrosion resistance even in any environment of low temperature/low sulfuric acid concentration environments and high temperature/high sulfuric acid concentration environments without adding large quantities of various alloy elements.
SOLUTION: The acid corrosion resistant steel has a composition comprising, by mass, 0.001 to 0.2% C, 0.01 to 3.0% Si, 0.01 to 3.0% Mn, 0.001 to 0.3% Al, 0.01 to 2.0% Cu, 0.01 to 2.0% Cr and 0.01 to 0.2% Co, in which the content of P is regulated to ≤0.035% and the content of S is regulated to ≤0.030%, and, if required, further comprising prescribed amounts of one or more kinds of elements selected from the group consisting of Ni, Mo, W, Sb, Sn, Se, Pb, Nb, V, Ti, Ta, Zr, B, Mg, Ca, Y, La and Ce, and the balance Fe with inevitable impurities.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使在低温/低硫酸浓度环境和高温/高硫酸浓度环境的任何环境中，即使在不加入大量各种合金元素的情况下也能提供耐腐蚀性优异的耐酸腐蚀钢。解决方案：耐酸腐蚀钢具有质量分数为0.001〜0.2％的Si，0.01〜3.0％的Si，0.01〜3.0％的Mn，0.001〜0.3％的Al，0.01〜2.0％的Cu，0.01〜 2.0％Cr和0.01〜0.2％Co，其中P含量调节至≤0.035％，S含量调节至≤0.030％，如果需要，还包含规定量的一种或多种元素选自Ni，Mo，W，Sb，Sn，Se，Pb，Nb，V，Ti，Ta，Zr，B，Mg，Ca，Y，La和Ce，余量为不可避免的杂质。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006045580A Plated steel sheet to be enameled with adequate adhesiveness to enamel, manufacturing method therefor and enameled product 有权
标题翻译：要对ENAMEL进行充分的粘合性的钢板，其制造方法和已生产的产品
公开(公告)号：JP2006045580A
公开(公告)日：2006-02-16
申请号：JP2004223606
申请日：2004-07-30
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI HIDEKUNI , NISHIMURA SATORU
IPC分类号： C23D5/00 , C21D9/46 , C22C38/00 , C22C38/16 , C23C18/32 , C23C18/38
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet to be enameled which has adequate adhesiveness to enamel, even without being pretreated for enameling and using an expensive glaze containing Ni and Co.
SOLUTION: The plated steel sheet to be enameled has a composition comprising, by mass%, 0.070% or less C, 0.50% or less Si, 0.010-0.95% Mn, 0.20% or less P, 0.080% or less S, 0.20% or less Al, 0.070% or less N, 0.070% or less O, further one or more elements among 0.051-8.0% Cu, 0.051-8.0% Ni, 0.051-8.0% Co and 0.051-8.0% Mo, and the balance Fe with unavoidable impurities; and further has a plated film that contains one or more elements of Cu, Ni, Co and Mo, has a coating mass of 0.001 to 5.0 g/m
2 , and is preferentially formed on a concentrated part with Cu, Ni, Co and Mo in the surface of the steel sheet, which is formed by controlling a heat history in a process of manufacturing the steel sheet.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种搪瓷的钢板，其对搪瓷具有足够的粘合性，即使不经搪瓷预处理，并且使用含有Ni和Co的昂贵的釉。解决方案：镀覆钢板为搪瓷具有以质量％计含有0.070％以下的C，0.50％以下的Si，0.010〜0.95％的Mn，0.20％以下的P，0.080％以下的S，0.20％以下的Al，0.070％以下 N，0.070％以下的O，0.051-8.0％的Cu，0.051-8.0％的Ni，0.051-8.0％的Co和0.051-8.0％的Mo中的一种或多种元素，余量为Fe和不可避免的杂质; 并且还具有包含Cu，Ni，Co和Mo的一种或多种元素的镀膜，涂层质量为0.001〜5.0g / m 2 SP＆gt;，优选在浓缩部分上形成， Cu，Ni，Co和Mo，通过控制钢板的制造过程中的热历史而形成。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2004315936A Extremely low carbon-based acid-proof dew point corrosion steel having excellent intergranular fracture resistance 审中-公开
$Extremely low carbon-based acid-proof dew point corrosion steel having excellent intergranular fracture resistance$
公开(公告)号：JP2004315936A
公开(公告)日：2004-11-11
申请号：JP2003114468
申请日：2003-04-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SAKAMOTO TOSHIHARU , NISHIMURA SATORU , USAMI AKIRA
IPC分类号： C22C38/00 , C22C38/16 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a steel which exhibits satisfactory corrosion resistance in an acid dew point corrosive environment while maintaining high workability by preventing intergranular fracture on working.
SOLUTION: The extra-low carbon-based acid-proof dew point corrosion steel has a composition comprising, by mass, ≤0.0100% C, 0.1 to 2.0% Si, ≤1.0% Mn, ≤0.05% P, ≤0.05% S, 0.05 to 1.0% Cu, ≤0.10% Al, ≤0.020% N and 0.0005 to 0.0050% B, and the balance Fe with subordinate components and/or inevitable impurities, and has a structure essentially consisting of ferrite with a mean crystal grain size of ≤100 μm. The content of C is desirably controlled to ≤0.0050%. If required, one or more kinds of metals selected from ≤1.0% Cr, ≤1.0% Mo, ≤0.5% Ni, ≤0.1% Nb, ≤0.1% V, ≤0.1% Ti and 0.01 to 0.2% Sn are incorporated therein.
COPYRIGHT: (C)2005,JPO&NCIPI

4. 发明专利

JP2004263235A Sulfuric acid dew-point corrosion-resistant cold-rolled steel sheet for heat-transfer element of air preheater, and method for manufacturing the same 有权
标题翻译：用于空气预热器的传热元件的硫酸耐腐蚀耐腐蚀性冷轧钢板及其制造方法
公开(公告)号：JP2004263235A
公开(公告)日：2004-09-24
申请号：JP2003053797
申请日：2003-02-28
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SAKAMOTO TOSHIHARU , NISHIMURA SATORU , USAMI AKIRA
IPC分类号： F23L15/00 , C22C38/00 , C22C38/16 , C22C38/60
CPC分类号： Y02E20/348
摘要： PROBLEM TO BE SOLVED: To provide, at low cost, a steel sheet for an air preheater element capable of demonstrating corrosion resistance equivalent or superior to that of known steel in an acid dew-point corrosive environment, and a method for manufacturing the same.
SOLUTION: The sulfuric acid dew-point corrosion-resistant cold-rolled steel sheet for a heat transfer element of an air preheater contains, by mass, ≤ 0.1500% C, 0.1 to 2.0% Si, ≤ 1.0% Mn, ≤ 0.05% P, ≤ 0.05% S, 0.05 to 1.0% Cu, ≤ 0.10% Al and ≤ 0.020% N, and the balance Fe with accompanying components and/or inevitable impurities. The elongation by a tension test directly after cold rolling is ≥ 1%.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：为了低成本地提供能够证明在酸性露点腐蚀性环境中等同于或优于已知钢的耐腐蚀性的空气预热元件用钢板，以及制造方法一样。解决方案：用于空气预热器的传热元件的硫酸露点耐腐蚀冷轧钢板以质量计含有≤0.100％的C，0.1-2.0％的Si，≤1.0％的Mn，≤ 0.05％P，≤0.05％S，0.05〜1.0％Cu，≤0.10％Al，≤0.020％N，余量为Fe，伴随成分和/或不可避免的杂质。冷轧后直接拉伸试验的伸长率≥1％。版权所有（C）2004，JPO＆NCIPI

5. 发明专利

JP2010106295A Cold-rolled steel sheet for drum can and method of producing the same 有权
标题翻译：用于鼓罐的冷轧钢板及其制造方法
公开(公告)号：JP2010106295A
公开(公告)日：2010-05-13
申请号：JP2008277543
申请日：2008-10-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TANAKA SEIICHI , NISHIMURA SATORU
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a cold-rolled steel sheet for a drum can which has particularly proper bake hardenability, has a casting yield, is inexpensive, also has excellent low temperature toughness, has sufficient strength even in retreatment, and is hard to be deformed, and to provide a method of producing the same. SOLUTION: The cold-rolled steel sheet for a drum can has a composition comprising, by mass, 0.0015 to 0.060% C, 0.0015 to 0.060% Si, 0.15 to 0.60% Mn, 0.0015 to 0.060% P, 0.0015 to 0.060% S, 0.015 to 0.060% Al and 0.0015 to COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有特别合适的烘烤淬透性，具有铸造成品率，便宜的滚筒用冷轧钢板，也具有优异的低温韧性，即使在再处理中也具有足够的强度，以及难以变形，并提供其制造方法。解决方案：用于滚筒的冷轧钢板可以具有质量为0.0015至0.060％的C，0.0015至0.060％的Si，0.15至0.60％的Mn，0.0015至0.060％的P，0.0015至0.060的组合物％S，0.015〜0.060％Al，0.0015〜<0.0050％N，余量为Fe与不可避免的杂质，C和N中固溶N，C的合计为0.0005〜0.0020％。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2007239094A Acid corrosion resistant steel 有权
标题翻译：酸性耐腐蚀钢
公开(公告)号：JP2007239094A
公开(公告)日：2007-09-20
申请号：JP2007018203
申请日：2007-01-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： USAMI AKIRA , SAKAMOTO TOSHIHARU , NISHIMURA SATORU , OKUJIMA MOTOHIRO , TANAKA MUTSUTO
IPC分类号： C22C38/00 , C22C38/16 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide an acid corrosion resistant steel exhibiting excellent corrosion resistance even in any environment of low temperature/low sulfuric acid concentration and medium temperature/medium sulfuric acid concentration without adding large quantities of various alloy elements.
SOLUTION: The acid corrosion resistant steel has a composition comprising, by mass, 0.001 to 0.2% C, 0.01 to 3.0% Si, 0.01 to 3.0% Mn, 0.001 to 0.3% Al, 0.01 to 2.0% Cu, 0.01 to 2.0% Ni and 0.01 to 0.2% Co, and in which the content of P is regulated to ≤0.035% and the content of S is regulated to ≤0.030%, and, if required, further comprising prescribed amounts of one or more kinds of elements selected from the group consisting of Mo, W, Sb, Sn, Se, Pb, Nb, V, Ti, Ta, Zr, B, Mg, Ca, Y, La and Ce, and the balance Fe with inevitable impurities.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使在低温/低硫酸浓度和中等温度/中等硫酸浓度的任何环境中，即使在不添加大量各种合金元素的情况下也能够提供耐腐蚀性优异的耐酸腐蚀性钢。解决方案：耐酸腐蚀钢具有质量分数为0.001〜0.2％的Si，0.01〜3.0％的Si，0.01〜3.0％的Mn，0.001〜0.3％的Al，0.01〜2.0％的Cu，0.01〜 2.0％Ni和0.01〜0.2％Co，其中P含量调节至≤0.035％，S含量调节至≤0.030％，如果需要，还包含规定量的一种或多种选自Mo，W，Sb，Sn，Se，Pb，Nb，V，Ti，Ta，Zr，B，Mg，Ca，Y，La和Ce的元素，余量为不可避免的杂质。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2004018860A Enameling steel sheet superior in workability, aging property and enamel property, and manufacturing method therefor 有权
公开(公告)号：JP2004018860A
公开(公告)日：2004-01-22
申请号：JP2002170926
申请日：2002-06-12
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI HIDEKUNI , NISHIMURA SATORU
IPC分类号： B21B3/00 , C21D8/02 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/06 , C22C38/60
CPC分类号： C22C38/002 , C21D8/021 , C21D8/0226 , C21D8/0278 , C22C38/004 , C22C38/04
摘要： PROBLEM TO BE SOLVED: To provide a non-aging enameling steel sheet superior in a bubble/black-spot resistance without employing decarbonization-denitrogenation annealing, which increases a manufacturing cost, and without adding expensive elements such as Nb and Ti, which increases an alloy cost.
SOLUTION: This enameling steel sheet has a composition of, by mass%, 0.0050% or less C, 0.50% or less Si, 0.005-1.0% Mn, 10*(B-11/14*N)-0.10% P, 0.080% or less S, 0.050% or less Al, 0.0005%-0.020% N, 0.60*N-0.020% B, 0.002-0.0800% O, and has a morphology of nitrides of B controlled mainly by means of adjusting a hot rolling condition.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2003003237A Continuously cast steel sheet for porcelain enameling having less in-plane anisotropy, and production method therefor 审中-公开
标题翻译：用于不具有平板印刷的平板印刷机的连续铸造钢板及其生产方法
公开(公告)号：JP2003003237A
公开(公告)日：2003-01-08
申请号：JP2001185909
申请日：2001-06-20
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI HIDEKUNI , SUEHIRO MASAYOSHI , SAYANAGI SHIRO , NISHIMURA SATORU
IPC分类号： B21B3/00 , B22D11/00 , C21D9/48 , C22C38/00 , C22C38/16 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a continuously cast steel sheet for porcelain enameling, which has excellent workability, bubble-black point resistance and adhesion for porcelain enamel, and to provide a production method therefor.
SOLUTION: The continuously cast steel sheet for porcelain enameling having less it plane anisotropy, and excellent adhesion for porcelain enamel, bubble- black point resistance and fishscale resistance has a composition containing, by mass, 0.001 to 0.0025% C, 0.05 to 0.4% Mn, ≤0.015% Si, 0.003 to 0.01% Al, 0.0015 to 0.0045% N, 0.005 to 0.045% O, ≤0.015% P, ≤0.025% S, 0.015 to 0.045% Cu, 0.005 to 0.055% Nb and 0.005 to 0.05% V, and, inevitably, or, if required, further containing one or more selected from As, Ti, B, Ni, Se, Cr, Ta, W, Mo and Sn by ≤0.02% in total, and the balance Fe wit inevitable impurities.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种用于瓷搪瓷的连续铸造钢板，其具有优异的可加工性，气泡黑点阻力和瓷搪瓷的粘合性，并提供其制备方法。解决方案：具有较低平面各向异性的瓷搪瓷连续铸造钢板，对瓷釉具有优异的粘合性，气泡黑点抗性和耐鳞鳞性，其组成含有质量为0.001〜0.0025％的C，0.05〜0.4％的Mn ，<0.015％Si，0.003〜0.01％Al，0.0015〜0.0045％N，0.005〜0.045％O，<0.015％P，<0.025％S，0.015〜0.045％的Cu，0.005〜0.055％的Nb，0.005 〜0.05％V，不可避免地，或者如果需要，进一步含有选自As，Ti，B，Ni，Se，Cr，Ta，W，Mo和Sn中的一种以上<0.02％平衡Fe机能不可避免的杂质。

9. 发明专利

JP2006037215A Steel sheet for enameling having good adhesion to enameling, production method therefor, and enameled product 有权
标题翻译：用于实现良好粘合的钢板，其生产方法和已生产的产品
公开(公告)号：JP2006037215A
公开(公告)日：2006-02-09
申请号：JP2004223596
申请日：2004-07-30
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI HIDEKUNI , NISHIMURA SATORU
IPC分类号： C22C38/00 , C21D9/46 , C22C38/60 , C23D5/00
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet for enameling which has good adhesion to enameling without pretreatment for enameling. SOLUTION: The steel sheet for enameling comprises, by mass%, at most 0.070% C, at most 0.50% Si, 0.010 to 0.95% Mn, at most 0.20% P, at most 0.080% S, at most 0.20% Al, at most 0.070% N, and at most 0.070% O, and further comprises at least one element selected from among 0.051 to 8.0% Cu, 0.051 to 8.0% Ni, 0.051 to 8.0% Co, and 0.051 to 8.0% Mo, with the balance comprising Fe and unavoidable impurities and is characterized by having a surface roughness corresponding to an Ra of 0.20 μm or larger and to a PPI of 50 or larger. In one embodiment, segragations of at least one of Cu, Ni, Co, and Mo are formed on the surface of the sheet by controlling heat history in mainly hot rolling and annealing steps in the production process for the steel sheet. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种搪瓷用钢板，其对搪瓷具有良好的粘合性，而无需预处理搪瓷。解决方案：用于搪瓷的钢板以质量％计含有至多0.070％C，至多0.50％的Si，0.010至0.95％的Mn，至多0.20％的P，至多0.080％的S，至多0.20％ Al，0.070％以下，O：0.070％以下，进一步含有选自0.05％〜8.0％的Cu，0.051〜8.0％的Ni，0.051〜8.0％的Co和0.051〜8.0％的Mo，余量包含Fe和不可避免的杂质，其特征在于具有对应于0.20μm以上的Ra和50以上的PPI的表面粗糙度。在一个实施例中，通过在钢板的生产过程中主要进行热轧和退火步骤中的热历史控制，在板的表面上形成Cu，Ni，Co和Mo中的至少一种的分离。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005179720A Steel sheet for welded structure having excellent corrosion resistance and mechanical property in natural gas-fired boiler exhaust gas atmosphere, and welded joint 审中-公开
标题翻译：焊接结构钢在自然燃气锅炉排气中的耐腐蚀性和机械性能优良的焊接结构和焊接接头
公开(公告)号：JP2005179720A
公开(公告)日：2005-07-07
申请号：JP2003420584
申请日：2003-12-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SAKAMOTO TOSHIHARU , ABE MASAYUKI , USAMI AKIRA , NISHIMURA SATORU , TSUZUKI TAKESHI , TANAKA MUTSUTO
IPC分类号： B23K9/00 , B23K101/14 , C22C38/00 , C22C38/34 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a technique for providing satisfactory mechanical properties such as strength and toughness of a welded joint of Cr-containing steel in which the content of C harmfully acting on corrosion resistance and weldability is extremely reduced.
SOLUTION: The steel sheet for a welded structure having excellent corrosion resistance and mechanical properties in a natural gas-fired boiler exhaust gas environment has a composition containing, by mass, ≤0.010% C, 0.05 to 2.0% Si, 0.05 to 0.50% Mn, ≤0.050% P, ≤0.0100% S, 6.0 to 9.0% Cr, ≤0.100% Al, Ti:3×(C+N) to 0.50% and ≤0.020% N, and, if required, further one or more metals selected from Cu, Ni, Mo, Nb and V, and the balance Fe with inevitable impurities, has a metallic structure comprising polygonal ferrite, and has Vickers hardness of 110 to 180. The welded joint is obtained by using the steel sheet.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种技术，其提供令人满意的机械性能，例如耐腐蚀性和焊接性有害的C含量极度降低的含Cr钢的焊接接头的强度和韧性。解决方案：在天然气燃烧锅炉废气环境中具有优异的耐腐蚀性和机械性能的焊接结构钢板具有以质量％≤0.010％C，0.05-2.0％的Si，0.05至 0.50％Mn，≤0.050％P，≤0.0100％S，6.0〜9.0％Cr，≤0.100％Al，Ti：3×（C + N）〜0.50％，≤0.020％N，如果需要，或更多选自Cu，Ni，Mo，Nb和V的金属，余量为Fe的不可避免的杂质，具有包含多边形铁素体的金属结构，维氏硬度为110〜180度。焊接接头通过使用钢板。版权所有（C）2005，JPO＆NCIPI

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