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1. 发明授权

EP2508639B1 FINE GRAINED AUSTENITIC STAINLESS STEEL SHEET EXHIBITING EXCELLENT STRESS CORROSION CRACKING RESISTANCE AND PROCESSABILITY 有权转让
标题翻译：具有出色的应力腐蚀断裂强度和处理细粒状奥氏体钢板
公开(公告)号：EP2508639B1
公开(公告)日：2015-08-05
申请号：EP10834432.6
申请日：2010-09-29
申请人： Nippon Steel & Sumikin Stainless Steel Corporation
发明人： HATANO Masaharu , ISHIMARU Eiichiro , TAKAHASHI, Akihiko
IPC分类号： C22C38/00 , C22C38/58
CPC分类号： C22C38/02 , C21D6/004 , C21D9/46 , C21D2211/001 , C22C38/001 , C22C38/04 , C22C38/42 , C22C38/58

2. 发明公开

EP3276028A1 FERRITE-AUSTENITE STAINLESS STEEL SHEET WITH EXCELLENT SHEARED END FACE CORROSION RESISTANCE 有权转让
标题翻译：铁素体奥氏体不锈钢板，具有优异的剪切端面耐腐蚀性
公开(公告)号：EP3276028A1
公开(公告)日：2018-01-31
申请号：EP16768525.4
申请日：2016-03-14
申请人： Nippon Steel & Sumikin Stainless Steel Corporation
发明人： ISHIMARU Eiichiro , KAWA Masatomo
IPC分类号： C22C38/00 , C22C38/58 , C22C38/60 , C21D9/46
CPC分类号： C22C38/00 , C21D9/46 , C21D2211/001 , C21D2211/005 , C22C38/02 , C22C38/04 , C22C38/10 , C22C38/105 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/58 , C22C38/60
摘要： The present invention relates to a ferritic-austenitic stainless steel sheet that is used in an atmospheric environment without performing a corrosion resistance treatment, and provides a ferritic-austenitic stainless steel sheet in which the corrosion resistance of the sheared line is improved. The ferritic-austenitic stainless steel sheet of the present invention includes, in terms of % by mass: C: 0.03% or less; Si: 0.1% to 1.0%; Mn: 0.5% to 5.0%; P: 0.04% or less; Al: 0.015% to 0.10%; Cr: 19.0% to 24.0%; Ni: 0.60% to 2.30%; Cu: 0.5% to 1.5%; Co: 0.05% to 0.25%; V: 0.01% to 0.15%; Ca: 0.002% or less; N: 0.06% to 0.20%; and S: 0.0002% to 0.0040%, with the remainder being Fe and unavoidable impurities, wherein a value of Co + 0.25V is 0.10 or more and less than 0.25, a metallic structure consists of ferrite phases and austenite phases, an average crystal grain size of the ferrite phases is 5 to 20 µm, and an average crystal grain size of the austenite phases is 2 to 10 µm, and sulfides having major axes of 1 to 5 µm exist at an amount of 5 to 20 pieces per 5 mm 2 .
摘要翻译：本发明涉及在大气环境下使用而不进行耐腐蚀处理的铁素体 - 奥氏体不锈钢板，并且提供了剪切线的耐腐蚀性提高的铁素体 - 奥氏体不锈钢板。本发明的铁素体·奥氏体系不锈钢板以质量％计含有C：0.03％以下， Si：0.1〜1.0％ Mn：0.5〜5.0％; P：0.04％以下; Al：0.015％至0.10％; Cr：19.0％至24.0％; Ni：0.60％至2.30％; Cu：0.5％至1.5％; Co：0.05％至0.25％; V：0.01％至0.15％; Ca：0.002％以下; N：0.06％至0.20％; ，S：0.0002〜0.0040％，其余为Fe和不可避免的杂质，Co + 0.25V的值为0.10以上且小于0.25，金属组织由铁素体相和奥氏体相构成，平均晶粒铁素体相的尺寸为5〜20μm，奥氏体相的平均结晶粒径为2〜10μm，长轴为1〜5μm的硫化物以每5mm 2 5〜20个的量存在。

3. 发明公开

EP3034642A1 MARTENSITIC STAINLESS STEEL HAVING EXCELLENT WEAR RESISTANCE AND CORROSION RESISTANCE, AND METHOD FOR PRODUCING SAME 有权转让
标题翻译：具有优异的耐磨，耐腐蚀和方法马氏体不锈钢及其制造
公开(公告)号：EP3034642A1
公开(公告)日：2016-06-22
申请号：EP14835747.8
申请日：2014-08-11
申请人： Nippon Steel & Sumikin Stainless Steel Corporation
发明人： TERAOKA Shinichi , SAKAMOTO Shunji , ISHIMARU Eiichiro , OOMURA Keiichi
IPC分类号： C22C38/00 , C22C38/58 , C21D8/02
CPC分类号： C22C38/00 , C21D1/25 , C21D6/002 , C21D8/0263 , C21D2211/008 , C22C38/001 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/58
摘要： Martensitic stainless steel of the present invention having excellent corrosion resistance includes, by mass%, C: 0.40% to 0.50%, Si: 0.25% to 0.60%, Mn: 2.0% or less, P: 0.035% or less, S: 0.010% or less, Cr: 11.0% to 15.5%, Ni: 0.01% to 0.60%, Cu: 0.50% or less, Mo: 0.10% or less, Sn: 0.005% to 0.10%, V: 0.10% or less, Al: 0.03% or less, N: 0.01% to 0.05%, and a remainder including Fe and inevitable impurities, in which amounts of C, N, and Sn satisfy Expression (1): S value = 16 × Sn / C + 2 × N / C ≥ 0.40 %
摘要翻译：具有优异的耐腐蚀性，本发明的马氏体系不锈钢含有以质量％计，C：0.40％〜12：50％以下，Si：0.25％〜0.60％以下，Mn：2.0％以下，P：0.035％以下，S：0.010 ％以下，Cr：11.0％至15.5％以下，Ni：铜0.01％至0.60％，0.50％或以下，Mo：0.10％以下，Sn：0.005％〜12：10％，V：0.10％以下，Al ：0.03％以下，N：0.01％〜0.05％，以及剩余部分包含Fe及不可避免的杂质，其中金额C，N和Sn中满足表达式（1）：S值= 16×的Sn / C + 2× N / C‰¥0.40％

4. 发明公开

EP2995697A1 STAINLESS STEEL SUBSTRATE FOR SOLAR BATTERY HAVING EXCELLENT INSULATION PROPERTIES AND SMALL THERMAL EXPANSION COEFFICIENT, AND PROCESS FOR PRODUCING SAME 有权转让
标题翻译：底不锈钢连同其制成具有优异的绝缘性能和热膨胀系数小和方法太阳电池
公开(公告)号：EP2995697A1
公开(公告)日：2016-03-16
申请号：EP14794499.5
申请日：2014-05-02
申请人： Nippon Steel & Sumikin Stainless Steel Corporation
发明人： HATANO Masaharu , ISHIMARU Eiichiro , HATTORI Kenji
IPC分类号： C22C38/00 , C21D1/76 , C21D9/46 , C22C38/38 , C22C38/58 , C23C8/18 , H01L31/0392
摘要： Provided is a stainless steel substrate for a solar cell, the stainless steel substrate including, by mass%, Cr: 9% to 25%, C: 0.03% or less, Mn: 2% or less, P: 0.05% or less, S: 0.01% or less, N: 0.03% or less, Al: 0.005% to 5.0%, Si: 0.05% to 4.0%, and a remainder including Fe and unavoidable impurities, in which an oxide film containing (i) Al 2 O 3 in an amount of 50% or more or containing (i) Al 2 O 3 and (ii) SiO 2 in a total amount of 50% or more is formed on a surface of stainless steel having a composition which contains Al: 0.5% or more and/or Si: 0.4% or more and satisfies the following expression (1).

Cr+10Si+Mn+Al>24.5 (1)
摘要翻译：提供了一种用于太阳能电池的不锈钢基板，不锈钢底物，包括，按质量％以下，Cr：9％〜25％，C：0.03％以下，Mn：2％以下，P：0.05％或以下， S：0.01％以下，N：0.03％或以下，Al：0.005％至5.0％以下，Si：0.05％至4.0％，以及余量为Fe和不可避免的杂质，在氧化膜含（ⅰ）其中Al 2 O 3在50％以上的量或含有式（I）的Al 2 O 3和（ii）的SiO 2在50％以上的总量形成的不锈钢的表面上具有含有Al的组合物：0.5 ％以上和/或Si：0.4％以上且SATIS外资企业下面的表达式（1）。 €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒCr+ 10Si +锰+的Al> 5.24€ƒ€ƒ€ƒ€ƒ€ƒ（1）

5. 发明公开

EP2975151A1 FERRITIC STAINLESS STEEL SHEET EXHIBITING SMALL INCREASE IN STRENGTH AFTER THERMAL AGING TREATMENT, AND METHOD FOR PRODUCING SAME 有权转让
标题翻译：具有低强度的增加后及其生产热老化过程与方法铁素体不锈钢
公开(公告)号：EP2975151A1
公开(公告)日：2016-01-20
申请号：EP14765146.7
申请日：2014-03-14
申请人： Nippon Steel & Sumikin Stainless Steel Corporation
发明人： KIMURA Ken , HAMADA Junichi , ISHIMARU Eiichiro , YAMAGISHI Akihito , HANSAKI Naoto
IPC分类号： C22C38/00 , B21B3/02 , C21D8/00 , C21D9/46 , C22C38/38 , C22C38/58
CPC分类号： C21D8/005 , C21D6/002 , C21D8/0226 , C21D8/0263 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/005 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/20 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , C22C38/58 , C22C38/60
摘要： A ferritic stainless steel sheet exhibiting small increase in strength after aging heat treatment in the present invention contains, by mass%, C: 0.020% or less, Cr: 10.0% to 25.0%, N: 0.020% or less, Sn: 0.010% to 0.50%, and one or more of Ti: 0.60% or less, Nb: 0.60% or less, V: 0.60% or less, and Zr: 0.60% or less so as to satisfy the following Equation (1), in which the difference between stress σ1 (N/mm 2 ) after prestrain imparting tensile deformation with 7.5% of strain, and upper yield stress σ2 (N/mm 2 ) when the steel sheet is subjected to heat treatment at 200°C for 30 minutes and then to tension again after the tensile deformation is 8 or less. Ti / 48 + V / 51 + Zr / 91 + Nb / 93 / C / 12 + N / 14 ≥ 1.0
摘要翻译：的铁素体不锈钢板，在本发明的时效热处理后表现出强度小的增加含有以质量％计含有C：0.020％以下，Cr：10.0％至25.0％，N：0.020％以下，Sn：0.010％到0.50％，以及一种或多种的Ti：0.60％以下，Nb：0.60％以下，V：0.60％以下及Zr：0.60％或更小，以满足下述式（1），其中预应变赋予拉伸变形与应变7.5％后当钢板经受在200℃下加热处理30分钟上屈服应力A2（牛顿/毫米2）应力A1（N /毫米2）之间的差，并且和然后张力后再次拉伸变形是8或更小。的Ti / 48 + V / 51 + ZR / 91 + Nb的/ 93 / C / 12 + N / 14‰¥1.0

6. 发明公开

EP2508639A1 FINE GRAINED AUSTENITIC STAINLESS STEEL SHEET EXHIBITING EXCELLENT STRESS CORROSION CRACKING RESISTANCE AND PROCESSABILITY 有权转让
标题翻译： FEINKÖRNIGESAUSTENITISCHES EDELSTAHLBLECH MIT HERVORRAGENDER BELASTUNGSKORROSIONSBRUCHFESTIGKEIT UND VERARBEITBARKEIT
公开(公告)号：EP2508639A1
公开(公告)日：2012-10-10
申请号：EP10834432.6
申请日：2010-09-29
申请人： Nippon Steel & Sumikin Stainless Steel Corporation
发明人： HATANO Masaharu , ISHIMARU Eiichiro , TAKAHASHI, Akihiko
IPC分类号： C22C38/00 , C22C38/58
CPC分类号： C22C38/02 , C21D6/004 , C21D9/46 , C21D2211/001 , C22C38/001 , C22C38/04 , C22C38/42 , C22C38/58
摘要： This fine grained austenitic stainless steel sheet exhibiting excellent stress corrosion cracking resistance and formability includes: in terms of percent by mass, C: 0.05% or less; Cr: 14 to 19%; Si: 2% or less; Mn: 4% or less; Ni: 5 to 8%; Cu: 4% or less; and N: 0.1 % or less, with the remainder being Fe and unavoidable impurities, wherein steel components are included in a manner such that the following Md is in a range of -20 to 40, and an average grain size is in a range of 10 µm or less, an occupancy ratio of high angle grain boundaries having angles of 15° or more is in a range of more than 80%, Md = 551 - 462 ⁢ C + N - 9.2 ⁢ Si - 8.1 ⁢ Mn - 13.7 ⁢ Cr - 29 ⁢ Ni - Cu - 18.2 ⁢ Mo .
摘要翻译：表现出优异的耐应力腐蚀开裂性和成形性的细晶粒奥氏体不锈钢板包括：以质量％计，C：0.05％以下; Cr：14〜19％ Si：2％以下; Mn：4％以下; Ni：5〜8％ Cu：4％以下; N：0.1％以下，其余为Fe和不可避免的杂质，其中以下述Md为-20〜40的范围包含钢成分，平均粒径为 10μm以下，角度为15°以上的高角度晶界的占有率在80％以上的范围内，Md = 551〜462 ¢C + N〜9.2 ¢Si-8.1 ¢Mn - 13.7 ¢Cr - 29 ¢Ni - Cu - 18.2 ¢Mo。

7. 发明授权

EP3276028B1 FERRITE-AUSTENITE STAINLESS STEEL SHEET WITH EXCELLENT SHEARED END FACE CORROSION RESISTANCE 有权转让
公开(公告)号：EP3276028B1
公开(公告)日：2020-01-15
申请号：EP16768525.4
申请日：2016-03-14
申请人： Nippon Steel & Sumikin Stainless Steel Corporation
发明人： ISHIMARU Eiichiro , KAWA Masatomo
IPC分类号： C22C38/00 , C22C38/58 , C22C38/60 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/10 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52

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