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1. 发明专利

JP2006315079A Austenitic stainless steel welding wire having excellent low temperature toughness and seawater corrosion resistance 有权
标题翻译：具有优异的低温韧性和海水耐腐蚀性的奥氏不锈钢焊丝
公开(公告)号：JP2006315079A
公开(公告)日：2006-11-24
申请号：JP2005294584
申请日：2005-10-07
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： INOUE HIROSHIGE , HONMA RYUICHI , MIZUMOTO MANABU , OIKAWA YUSUKE , MATSUHASHI AKIRA
IPC分类号： B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel welding wire capable of obtaining a weld zone of high quality in which low temperature toughness is improved and pitting corrosion in a seawater environment is evaded.
SOLUTION: An austenitic stainless steel welding wire having excellent low temperature toughness and seawater corrosion resistance contains, by mass, C: 0.005 through 0.05%, Si: 0.1 through 1.0%, Mn: 0.1 through 2.5%, Cr: 25.0 through 28.0%, Ni: 16.0 through 23.9%, Mo: 1.6 through 3.0%, Cu: 0.1 through 0.5%, Al: 0.001 through 0.02%, and N: 0.03 through 0.30%, limiting O to 0.03% or less, P to 0.03% or less, and S to 0.005% or less, and having a ratio of a Cr equivalent to Ni equivalent (Cr equivalent/Ni equivalent) with a range of from 1.0 to 1.2 and a PI value of 35 or more, the remainder being iron and unavoidable impurities.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够获得提高低温韧性并且避免在海水环境中的点腐蚀的高品质焊接区域的奥氏体不锈钢焊丝。解决方案：具有优异的低温韧性和耐海水腐蚀性的奥氏体不锈钢焊丝，以质量计含有C：0.005〜0.05％，Si：0.1〜1.0％，Mn：0.1〜2.5％，Cr：25.0〜 28.0％，Ni：16.0〜23.9％，Mo：1.6〜3.0％，Cu：0.1〜0.5％，Al：0.001〜0.02％，N：0.03〜0.30％，将O限制在0.03％以下，P：0.03 ％以下，S：0.005％以下，Cr当量相当于Ni当量（Cr当量/ Ni当量）的比例为1.0〜1.2，PI值为35以上，余数为铁和不可避免的杂质。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007105733A Non-consumable electrode type welding wire for welding austenitic stainless steel having excellent low temperature toughness and sea water corrosion resistance 有权
标题翻译：焊接不良电极类型焊接线，具有优异的低温韧性和海水耐腐蚀性的奥氏体不锈钢
公开(公告)号：JP2007105733A
公开(公告)日：2007-04-26
申请号：JP2005295798
申请日：2005-10-11
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： INOUE HIROSHIGE , HONMA RYUICHI , MIZUMOTO MANABU , OIKAWA YUSUKE
IPC分类号： B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a welding wire for welding austenitic stainless steel, which welding wire can efficiently form a high quality welded portion which has improved low temperature toughness and can avoid pitting corrosion under the environment of sea water.
SOLUTION: The welding wire for welding austenitic stainless steel having the excellent low temperature toughness and the sea water corrosion resistance contains, in mass%, 0.005 to 0.05% of C, 0.1 to 1.0% of Si, 1.0 to 3.5% of Mn, 25.0 to 28.0% of Cr, 16.0 to 23.9% of Ni, 1.6 to 3.0% of Mo, 0.1 to 0.5% of Cu, 0.001 to 0.02% of Al, and 0.30 to 0.50% of N, further contains 0.03% or less of O, 0.03% or less of P, and 0.005% or less of S, and further the ratio of Cr equivalent to Ni equivalent (Cr equivalent/Ni equivalent) is within the range from 0.85 to 1.2, and the PI value is 35 or more, and the remainder is composed of iron and unavoidable impurities.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于焊接奥氏体不锈钢的焊丝，该焊丝可以有效地形成具有改善的低温韧性并且可以避免在海水环境下的点腐蚀的高质量焊接部分。解决方案：用于焊接具有优异的低温韧性和耐海水腐蚀性的奥氏体不锈钢用焊丝以质量％计含有C：0.005〜0.05％，Si：0.1〜1.0％，Si：1.0〜3.5％ Mn，25.0〜28.0％的Cr，16.0〜23.9％的Ni，1.6〜3.0％的Mo，0.1〜0.5％的Cu，0.001〜0.02％的Al和0.30〜0.50％的N，进一步含有0.03％较少的O，0.03％以下的P和0.005％以下的S，Cr当量与Ni当量的比例（Cr当量/ Ni当量）在0.85〜1.2的范围内，PI值为 35以上，余量由铁和不可避免的杂质构成。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2010234429A Coated electrode for duplex stainless steel welding for pulverizing solidified crystalline particle 有权
标题翻译：用于双相不锈钢焊接用于固化固结晶粒的涂层电极
公开(公告)号：JP2010234429A
公开(公告)日：2010-10-21
申请号：JP2009086692
申请日：2009-03-31
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： INOUE HIROSHIGE , MIZUMOTO MANABU , NAMEKATA TAKASHI , OIKAWA YUSUKE
IPC分类号： B23K35/365 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a coated electrode for duplex stainless steel welding, which pulverizes solidified crystalline particles for the purpose of obtaining weld metal that excels in toughness and ductility with only components predetermined.
SOLUTION: The coated electrode is characterized in that, with stainless steel as a core wire, in both mass% of the core wire and coating, and in terms of core wire mass% as shown in content% in the core wire+ content% in the coating × coverage%/100, it contains 0.008-0.1% C, 0.1-1.5% Si, 1.0-6.0% Mn, 17.0-27.0% Cr, 1.0-10.0% Ni, 0.1-3.0% Mo, 0.002-0.05% Al, 0.0005-0.01% Mg, 0.001-0.5% Ti and 0.10-0.30% N, and further, limiting ≤0.03% P and ≤0.01% S and also fulfilling 0.73×Cr equivalent -Ni equivalent ≥4.0 and Ti(mass%)×N(mass%)≥0.0004, with the balance consisting of iron and inevitable impurities.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于双相不锈钢焊接的涂覆电极，其为了获得仅具有预定成分的韧性和延展性优异的焊接金属的目的而粉碎凝固的结晶颗粒。解决方案：涂覆电极的特征在于，以不锈钢为芯线，以芯线和涂层的质量％计，以芯线质量％计，芯线含量％含量+含量涂层中的％×覆盖率％/ 100，其含有0.008-0.1％C，0.1-1.5％Si，1.0-6.0％Mn，17.0-27.0％Cr，1.0-10.0％Ni，0.1-3.0％Mo，0.002- 0.05％Al，0.0005-0.01％Mg，0.001-0.5％Ti和0.10-0.30％N，另外，限制≤0.03％P和≤0.01％S，并且还达到0.73×Cr当量-Ni当量≥4.0和Ti 质量％）×N（质量％）≥0.0004，余量由铁和不可避免的杂质组成。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2007105734A COATED ELECTRODE FOR ARC WELDING OF AUSTENITIC STAINLESS STEEL HAVING EXCELLENT Cu BRITTLE CRACK RESISTANCE 有权
标题翻译：用于具有优异的铜脆性电阻的奥氏体不锈钢的电弧焊接用电镀
公开(公告)号：JP2007105734A
公开(公告)日：2007-04-26
申请号：JP2005295799
申请日：2005-10-11
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： INOUE HIROSHIGE , MIZUMOTO MANABU
IPC分类号： B23K35/365 , B23K35/30 , C22C38/00 , C22C38/44
摘要： PROBLEM TO BE SOLVED: To provide a coated electrode for the arc welding of austenitic stainless steel having excellent Cu brittle crack resistance.
SOLUTION: The coated electrode for the arc welding of austenitic stainless steel contains, in a coating agent, by mass% based on the total mass of the welding electrode, 0.05 to 3.0% of Cu, and at least one of 0.05 to 0.2% of Bi and 0.05 to 0.2% of Bi
2 O
3 within the range of 0.2% or less in total amount of Bi and Bi
2 O
3 , and further contains, in total of one or both of a core wire and the coating agent, by mass% based on the total mass of the welding electrode, 0.005 to 0.05% of C, 0.1 to 1.6% of Si, 0.1 to 2.5% of Mn, 15.0 to 30.0% of Cr, 7.5 to 25.0% of Ni, 0.5 to 6.7% of Mo, 0.05 to 5.0% of Cu, 0.05 to 0.35% of N, and the remainder of iron and unavoidable impurities.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的耐Cu脆性裂纹性的奥氏体不锈钢的电弧焊的涂覆电极。＆lt; P＆gt;解决方案：奥氏体不锈钢的电弧焊用涂布电极在涂布剂中含有以焊接电极总质量为基准的质量％，Cu为0.05〜3.0％，0.05〜 Bi和Bi的总量的0.2％以下，0.2％的Bi和0.05〜0.2％的Bi 2 SB 3 O 3 / SB 3的比例在0.2％以下的范围内 > <3> ，并且还以芯焊丝和涂布剂中的一种或两者为基准，以焊接电极总质量为基准的质量％计，含有0.005〜0.05％的C， 0.1〜1.6％的Si，0.1〜2.5％的Mn，15.0〜30.0％的Cr，7.5〜25.0％的Ni，0.5〜6.7％的Mo，0.05〜5.0％的Cu，0.05〜0.35％的N，剩余的铁和不可避免的杂质。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006315080A Austenitic stainless steel welding structure having excellent low temperature toughness and seawater corrosion resistance 有权
标题翻译：具有优异的低温韧性和海水腐蚀电阻的奥氏体不锈钢焊接结构
公开(公告)号：JP2006315080A
公开(公告)日：2006-11-24
申请号：JP2005294585
申请日：2005-10-07
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： INOUE HIROSHIGE , MIZUMOTO MANABU , OIKAWA YUSUKE , TSUGE SHINJI , FUKUMOTO SHIGEO
IPC分类号： B23K35/30 , B23K9/167 , B23K9/173 , B23K9/23 , B23K103/04 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel welding structure having a weld zone of high quality in which low temperature toughness is improved and pitting corrosion in a seawater corrosion environment is evaded.
SOLUTION: The austenitic stainless steel welding structure having excellent low temperature toughness and seawater corrosion resistance is composed of an austenitic stainless steel base metal having a composition containing prescribed amounts of C, Si, Mn, Ni, Cr, Mo, N and Al, and in which O, P and S are limited, and further containing prescribed amounts of one or more selected from Cu, Ti, Nb, V and W, and having a PIW value as an index of corrosion resistance within a range of from 35 to 40 and a δcal value as an index of a ferrite content within a range between -6 and +4, and a weld metal formed at a weld zone and having a composition containing prescribed amounts of C, Si, Mn, Ni, Cr, Mo, Cu, N and Al, and in which O, P and S are limited, and having a ratio of a Cr equivalent to Ni equivalent (Cr equivalent/Ni equivalent) within a range of from 0.85 to 1.2 and a PI value as an index of pitting corrosion resistance of 35 or more.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种奥氏体不锈钢焊接结构，其具有高质量的焊接区域，其中提高了低温韧性并避免了海水腐蚀环境中的点腐蚀。解决方案：具有优异的低温韧性和耐海水腐蚀性的奥氏体不锈钢焊接结构由具有规定量的C，Si，Mn，Ni，Cr，Mo，N的组成的奥氏体不锈钢母材组成， Al，其中O，P和S被限制，并且还含有规定量的选自Cu，Ti，Nb，V和W中的一种或多种，并且具有PIW值作为耐腐蚀性指数在 35〜40，δcal值作为铁素体含量在-6和+4之间的范围内的指标，以及在焊接区形成的具有规定量的C，Si，Mn，Ni，Cr ，Mo，Cu，N和Al，并且其中O，P和S被限制，并且Cr当量相当于Ni当量（Cr当量/ Ni当量）在0.85至1.2的范围内，并且PI值作为点腐蚀性的指标为35以上。版权所有（C）2007，JPO＆INPIT

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