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1. 发明专利

JP2014132113A Stainless clad steel plate excellent in seawater corrosion resistance 有权
标题翻译：不锈钢板在海水腐蚀电阻中表现优异
公开(公告)号：JP2014132113A
公开(公告)日：2014-07-17
申请号：JP2013250801
申请日：2013-12-04
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KISHI KEIICHIRO , YOKOTA TOMOYUKI , YAZAWA YOSHIHIRO , TACHIBANA SHUNICHI , KURONUMA YOTA , SUEYOSHI HITOSHI
IPC分类号： C22C38/00 , C22C38/58
CPC分类号： C22C38/54 , B23K35/004 , B23K35/3053 , B23K35/308 , B23K35/3086 , B32B15/011 , C22C38/001 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/40 , C22C38/42 , C22C38/44 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a stainless clad steel plate which is excellent in seawater corrosion resistance and simultaneously satisfies both corrosion resistance and mechanical characteristics.SOLUTION: There is provided a stainless clad steel plate which is excellent in seawater corrosion resistance, in which a cladding material for the stainless clad steel plate is composed by mass of 0.030% or less of C, 0.02 to 1.50% of Si, 0.02 to 2.0% of Mn, 0.040% or less of P, 0.030% or less of S, 22.0 to 25.0% of Ni, 22.0 to 26.0% of Cr, 3.5 to 5.0% of Mo and 0.10 to 0.25% of N, the remainder of Fe and inevitable impurities and further satisfies the following expression (1), and 0.3 mass% or less of Cr and 0.2 mass% or less of Mo are present in a precipitated state in the steel. Cr+3.3Mo+16 N≥40 (1): in which, each symbol of element represents the mass% of each element.
摘要翻译：要解决的问题：提供一种耐海水腐蚀性优异且同时满足耐腐蚀性和机械特性的不锈钢复合钢板。解决方案：提供一种耐海水腐蚀性优异的不锈钢复合钢板，其中不锈钢复合钢板的覆层材料由C：0.030％以下，Si：0.02〜1.50％，Mn：0.02〜2.0％，P：0.040％以下，S：0.030％以下，22.0〜 25.0％的Ni，22.0〜26.0％的Cr，3.5〜5.0％的Mo和0.10〜0.25％的N，剩余的Fe和不可避免的杂质进一步满足下式（1），和0.3质量％以下的 Cr和0.2质量％以下的Mo以钢的析出状态存在。 Cr + 3.3Mo +16N≥40（1）：其中，元素的每个符号表示每个元素的质量％。

2. 发明专利

JP2014001449A Base material for high toughness clad steel plate and manufacturing method for the clad steel plate 有权
标题翻译：高韧性钢板的基材和钢板的制造方法
公开(公告)号：JP2014001449A
公开(公告)日：2014-01-09
申请号：JP2013071282
申请日：2013-03-29
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KISHI KEIICHIRO , YAZAWA YOSHIHIRO , TACHIBANA SHUNICHI , KURONUMA YOTA , HOSHINO TOSHIYUKI , NISHIMURA KIMIHIRO
IPC分类号： C22C38/00 , B23K20/04 , C21D9/00 , C22C38/14 , C22C38/58
CPC分类号： C22C38/58 , B23K20/04 , B23K35/3053 , B32B15/01 , B32B15/015 , C21D8/0226 , C21D8/0247 , C21D8/0263 , C21D8/0278 , C21D9/00 , C21D9/46 , C21D2251/02 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/18 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a base material for a high toughness clad steel plate and a manufacturing method for the clad steel plate.SOLUTION: A base material for a high toughness clad steel plate contains, by mass%, C: 0.030 to 0.10%, Si: 0.10 to 0.30%, Mn: 1.30 to 1.80%, P: 0.015% or less, S: 0.003% or less, Mo: 0.05 to 0.50%, V: less than 0.010%, Nb: 0.010 to 0.060%, Ti: 0.005 to 0.020%, Al: 0.040% or less, Ca: 0.0010 to 0.0040%, N: 0.0030 to 0.0060%, and the rest is composed of Fe and inevitable impurities. The base material has characteristics having a ductile fracture rate of 85% or more in a DWTT test at -20°C.
摘要翻译：要解决的问题：提供用于高韧性复合钢板的基材和复合钢板的制造方法。解决方案：用于高韧性复合钢板的基材以质量％计含有C：0.030至0.10 ％，Si：0.10〜0.30％，Mn：1.30〜1.80％，P：0.015％以下，S：0.003％以下，Mo：0.05〜0.50％，V：小于0.010％，Nb：0.010〜0.060％，Ti：0.005〜0.020％，Al：0.040％以下，Ca：0.0010〜0.0040％，N：0.0030〜0.0060％，其余由Fe和不可避免的杂质构成。该基材在-20℃的DWTT试验中具有85％以上的延性断裂率的特性。

3. 发明专利

JP2014101568A HIGH TOUGHNESS HIGH CORROSION RESISTANCE Ni ALLOY CLAD STEEL SHEET EXCELLENT IN WELD ZONE TOUGHNESS AND PRODUCTION METHOD THEREOF 有权
标题翻译：高韧性高耐腐蚀镍合金镀层优良的焊接区韧性及其生产方法
公开(公告)号：JP2014101568A
公开(公告)日：2014-06-05
申请号：JP2012255779
申请日：2012-11-22
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TACHIBANA SHUNICHI , YAZAWA YOSHIHIRO , KISHI KEIICHIRO , KURONUMA YOTA , MITAO SHINJI , ISHIKAWA NOBUYUKI , SUEYOSHI HITOSHI
IPC分类号： C22C38/00 , B21B1/38 , B23K20/04 , C21D8/02 , C22C19/05 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high toughness high corrosion resistance Ni alloy clad steel sheet excellent in weld zone toughness and a production method thereof.SOLUTION: The high toughness high corrosion resistance Ni alloy clad steel sheet excellent in weld zone toughness has as a clad material, Ni alloy containing, by mass%, C amount of 0.020% or less and has as a base material, a steel containing, by mass%, C:0.030 to 0.10%, Si:0.10 to 0.30%, Mn:1.30 to 1.80%, P:0.015% or less, S:0.003% or less, V:less than 0.010%, Al:0.040% or less, N:0.0030 to 0.010% and the balance Fe with inevitable impurities.
摘要翻译：要解决的问题：提供焊接区韧性优异的高韧性高耐腐蚀性Ni合金复合钢板及其制造方法。解决方案：焊接区韧性优异的高韧性高耐蚀性Ni合金复合钢板具有如下优点：包含质量％C含量为0.020％以下的Ni合金，以质量％计含有C：0.030〜0.10％，Si：0.10〜0.30％，Mn：1.30的钢作为基材至1.80％，P：0.015％以下，S：0.003％以下，V：小于0.010％，Al：0.040％以下，N：0.0030〜0.010％，余量为Fe与不可避免的杂质。

4. 发明专利

JP2013241673A Cladding material for stainless-steel-clad steel plate excellent in corrosion-resistance to seawater, and stainless-steel-clad steel plate obtained using the same, and process for producing the same 有权
标题翻译：用于不锈钢钢板的耐腐蚀性能优良的耐海水腐蚀材料和使用该钢板的不锈钢钢板及其制造方法
公开(公告)号：JP2013241673A
公开(公告)日：2013-12-05
申请号：JP2013071281
申请日：2013-03-29
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KISHI KEIICHIRO , YAZAWA YOSHIHIRO , TACHIBANA SHUNICHI , KURONUMA YOTA , HOSHINO TOSHIYUKI
IPC分类号： C22C38/00 , B23K20/04 , C21D8/02 , C22C38/58
CPC分类号： B32B15/011 , B23K9/0026 , B23K9/02 , B23K9/16 , B23K9/23 , B23K20/04 , B23K20/16 , B23K20/227 , B23K35/3086 , B23K2201/185 , B23K2201/34 , B23K2203/04 , B23K2203/05 , B23K2203/18 , B32B2250/02 , C21D6/004 , C21D8/0226 , C21D8/0263 , C21D2251/02 , C22C30/00 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/44 , C22C38/54 , Y10T428/12438
摘要： PROBLEM TO BE SOLVED: To provide a cladding material for stainless-clad-steel plate, excellent in corrosion-resistance to the seawater, and a stainless-clad-steel using the cladding material and a manufacturing method therefor, in which the reliability to the soundness of the joining interface is improved and the performances (the corrosion-resistance and the mechanical characteristics) of the basic material and the cladding material are simultaneously maintained.SOLUTION: A cladding material for stainless-clad-steel plate excellent in corrosion-resistance to seawater and a stainless-clad-steel plate using the cladding material, are characterized in that the cladding material for stainless-clad-steel plate after applying an annealing-treatment, is composed by mass of ≤0.03% C, ≤1.5% Si, ≤2.0% Mn, ≤0.04% P, ≤0.03% S, 22.0-25.0% Ni, 21.0-25.0% Cr, 2.0-5.0% Mo, 0.15-0.25% N and the balance Fe with inevitable impurities and also, the critical pitting temperature (CPT) regulated in the ASTM, is ≥45°C, and further, the corrosion quantity at the welded part of the cladding material in a corrosion-test regulated in the NORSOK standard, is ≤1.0g/m.
摘要翻译：要解决的问题：为了提供一种用于不锈钢复合钢板的包覆材料，对海水的耐腐蚀性优异，并且使用包覆材料的不锈钢复合钢及其制造方法，其中对提高接合界面的良好性，同时保持基材和包层材料的性能（耐腐蚀性和机械特性）。解决方案：用于不锈钢 - 钢板的包覆材料耐腐蚀性海水和使用包层材料的不锈钢复合钢板的特征在于，在进行退火处理后的不锈钢复合钢板用包覆材料中，以质量％≤0.03％C，≤1.5％Si， ≤2.0％Mn，≤0.04％P，≤0.03％S，22.0-25.0％Ni，21.0-25.0％Cr，2.0-5.0％Mo，0.15-0.25％N，余量为Fe和不可避免的杂质，点蚀温度（CPT） ASTM为≥45℃，NORSOK标准规定的腐蚀试验中包层材料焊接部位的腐蚀量≤1.0g/ m。

5. 发明专利

JP2013177674A Base material for high-toughness clad steel plate excellent in toughness in welded part, and method for producing the clad steel plate 有权
标题翻译：用于焊接部件中的韧性优异的高韧性钢板的基材和生产钢板的方法
公开(公告)号：JP2013177674A
公开(公告)日：2013-09-09
申请号：JP2012268909
申请日：2012-12-10
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TACHIBANA SHUNICHI , YAZAWA YOSHIHIRO , KISHI KEIICHIRO , KURONUMA YOTA , HOSHINO TOSHIYUKI , NISHIMURA KIMIHIRO
IPC分类号： C22C38/00 , B23K20/04 , C21D9/00 , C22C38/14 , C22C38/58
CPC分类号： C22C38/00 , B23K20/02 , B32B15/01 , B32B15/015 , C21D1/18 , C21D1/25 , C21D8/0205 , C21D9/08 , C21D2251/02 , C21D2251/04 , C22C19/03 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/20 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/38 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/58 , Y10T428/12972
摘要： PROBLEM TO BE SOLVED: To provide a base material for a high-toughness clad steel plate excellent in toughness in a welded part by combined addition of alloy elements, and to provide a method for producing the clad steel plate.SOLUTION: A base material for high-toughness clad steel plate excellent in toughness in a welded part has characteristics to contain, by mass%, 0.030-0.10% C, 0.10-0.30% Si, 1.00-1.60% Mn, ≤0.015% P, ≤0.003% S,
摘要翻译：要解决的问题：通过组合添加合金元素来提供焊接部分的韧性优异的高韧性复合钢板的基材，并提供一种生产复合钢板的方法。焊接部的韧性优异的高韧性复合钢板的特征在于以质量％计含有0.030〜0.10％的C，0.10〜0.30％的Si，1.00〜1.60％的Mn，≤0.015％的P，≤0.003％的S，进一步选自0.05-0.50％Mo，0.010-0.060％Nb，0.005-0.020％Ti，≤0.040％Al，0.0010-0.0040％Ca和0.0030-0.0060％N中的一种或多种，以及在-20°C DWTT试验中，余量为Fe的不可避免的杂质，其中韧性断裂面比为≥85％，HAZ 3mm位置的vE-20℃≥100J。

6. 发明专利

JP2014114466A Cladding material of duplex stainless clad steel having excellent pitting-corrosion resistance, duplex stainless clad steel using the same, and method for producing the same 有权
标题翻译：具有优异耐蚀耐腐蚀性的双相不锈钢剥离材料的粘合材料，使用其的双相不锈钢剥离钢及其制造方法
公开(公告)号：JP2014114466A
公开(公告)日：2014-06-26
申请号：JP2012267775
申请日：2012-12-07
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KURONUMA YOTA , YAZAWA YOSHIHIRO , KISHI KEIICHIRO , TACHIBANA SHUNICHI , MITAO SHINJI
IPC分类号： C22C38/00 , B21B1/38 , B21B3/02 , B23K20/04 , C21D8/02 , C22C38/58 , C23C24/08
摘要： PROBLEM TO BE SOLVED: To provide a cladding material of duplex stainless clad steel having excellent pitting-corrosion resistance, duplex stainless clad steel, and a method for producing the same.SOLUTION: The cladding material of duplex stainless clad steel has a componential composition comprising, by mass, 0.03% or lower of C, 0.001 to 0.15% Si, 2% or lower of Mn, 0.05% or lower of P, 0.01% or lower of S, 2 to 10% Ni, 20 to 28% Cr, 1 to 5% Mo and 0.01 to 0.30% N, and the balance Fe with inevitable impurities.
摘要翻译：要解决的问题：提供具有优异的耐点蚀性，双相不锈钢复合钢的双相不锈钢复合钢包层材料及其制造方法。解决方案：双相不锈钢复合钢包层材料具有组成成份，，0.03％以下的C，0.001〜0.15％的Si，2％以下的Mn，0.05％以下的P，0.01％以下的S，2〜10％的Ni，20〜28％的Cr， 1〜5％Mo和0.01〜0.30％N，余量为Fe与不可避免的杂质。

7. 发明专利

JP2014101555A Stainless clad steel excellent in sea water pitting corrosion resistance and appearance 审中-公开
标题翻译：海水不锈钢耐腐蚀耐腐蚀外观
公开(公告)号：JP2014101555A
公开(公告)日：2014-06-05
申请号：JP2012254811
申请日：2012-11-21
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAZAWA YOSHIHIRO , KISHI KEIICHIRO , TACHIBANA SHUNICHI , KURONUMA YOTA , MITAO SHINJI
IPC分类号： C22C38/00 , B21B1/38 , B21B3/02 , C21D8/00 , C21D8/02 , C22C38/54 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a stainless clad steel excellent in sea water pitting corrosion resistance and appearance.SOLUTION: The stainless clad steel excellent in sea water pitting corrosion resistance and appearance is a stainless clad steel obtained by using as a clad material, a stainless steel having a Pitting Index represented by Cr (mass%)+3.3 Mo (mass%)+16 N (mass%) of 40.0 or more, containing 10 to 40 ppm of B and having σ phase area percentage of a surface of 1.0% or less. The stainless clad steel excellent in sea water pitting corrosion resistance and appearance has glossiness in a rolling direction, a rolling vertical direction and rolling 45° direction measured at a measurement angle of 60° according to JISZ8741 "specular glossiness-measurement method" of each 60 or more.
摘要翻译：要解决的问题：提供优异的耐海水蚀点腐蚀性和外观的不锈钢复合钢。解决方案：海水耐点腐蚀性和外观优异的不锈钢复合钢是通过使用作为包覆材料获得的不锈钢复合钢，具有由Cr（质量％）+ 3.3Mo（质量％）+ 16N（质量％）表示的点蚀指数为40.0以上的不锈钢，含有10〜40ppm的B且具有＆Gr; 表面的相面积百分比为1.0％以下。根据JISZ8741“各种60°的”镜面光泽度测定法“，测定角度为60°时，耐海水腐蚀性和外观优异的不锈钢复合钢在轧制方向，轧制垂直方向和轧制45°方向上具有光泽度或者更多。

8. 发明专利

JP2013255936A Method for manufacturing austenitic stainless-clad steel excellent in marine corrosion resistance and low-temperature toughness 有权
标题翻译：在海洋耐腐蚀和低温韧性下制造奥氏体不锈钢优良的方法
公开(公告)号：JP2013255936A
公开(公告)日：2013-12-26
申请号：JP2012133772
申请日：2012-06-13
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KISHI KEIICHIRO , YAZAWA YOSHIHIRO , TACHIBANA SHUNICHI , KURONUMA YOTA , HOSHINO TOSHIYUKI
IPC分类号： B21B1/38 , B23K20/04 , C21D8/02 , C22C38/00 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless-clad steel excellent in marine corrosion resistance and low-temperature toughness.SOLUTION: In a method for manufacturing austenitic stainless-clad steel with 30 mm or more total thickness excellent in marine corrosion resistance and low-temperature toughness, a carbon steel contains, by mass%, 0.10-0.15% C; 0.25-0.40% Si; 0.45-2.0% Mn; ≤0.015% P; ≤0.004% S; ≤0.006% N; 0.01-0.1% Cr; 0.005-0.05% Nb; and 0.005-0.05% Al, and is composed of the balance Fe and unavoidable impurities, regarding the component composition. A clad steel material including the carbon steel as a base material and austenitic stainless steel as a laminated material is heated to temperature of 1,000-1,250°C before starting hot rolling, in which a cumulative rolling reduction of control rolling in a temperature range of 730-950°C is set to be 30% or more, and rolling finishing temperature is set to be 730-850°C.
摘要翻译：要解决的问题：提供优异的海洋耐腐蚀性和低温韧性的奥氏体不锈钢复合钢。解决方案：在具有30mm以上的总厚度的奥氏体不锈钢复合钢的制造方法中，耐海洋性耐腐蚀性低， - 高温韧性，碳钢以质量％计含有0.10-0.15％C; 0.25-0.40％Si; 0.45-2.0％Mn; ≤0.015％P; ≤0.004％S; ≤0.006％N; 0.01-0.1％Cr; 0.005-0.05％Nb; 和0.005-0.05％的Al，并且由组分组成的余量为Fe和不可避免的杂质构成。将作为基材的碳素钢和作为层压材料的奥氏体不锈钢的复合钢材在起动热轧之前加热至1000〜1,250℃的温度，其中在730℃的温度范围内的控制轧制的累积压下率 -950℃设定为30％以上，轧制终轧温度设定为730〜850℃。

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