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1. 发明专利

JP2004268137A Welded structure made of low thermal expansion coefficient alloy, and welding material for alloy 有权
公开(公告)号：JP2004268137A
公开(公告)日：2004-09-30
申请号：JP2003402532
申请日：2003-12-02
申请人： Osaka Gas Co Ltd , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 大阪瓦斯株式会社
发明人： HIRATA HIROMASA , OGAWA KAZUHIRO , IKEBE MASATO , KUBO NAOSHIGE , YAMAMOTO SHUJI , EDAMITSU TAKEHIKO
IPC分类号： B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a welded structure made of a low thermal expansion coefficient alloy which has a welding metal excellent in solidification cracking resistance, reheat cracking resistance, and toughness in very low temperatures, and also to provide a welding material for a low thermal expansion coefficient alloy which has a large capacity to secure performance and an excellent manufacturability.
SOLUTION: A welding metal of the welded part in the welded structure includes: 30-45% Ni; 0.01-0.5% C; 0.01-0.5% Si; 0.01-1.0% Mn; and 0.0002-0.02% Al, and further includes 0.1-4% in total of at least one of Ta and Hf, and the balance Fe and impurities. The impurities include ≤0.015% S, ≤0.015% P, and ≤0.05% O(oxygen). The welding material has the same chemical composition as the welding metal except that the welding material includes >1.5% but ≤6% Ta or >0.1% but ≤6% Hf, or >0.1% but ≤6% in total of Ta and Hf (in this case, Hf exceeds 0.1%).
COPYRIGHT: (C)2004,JPO&NCIPI

2. 发明专利

JP2008207242A Welding material for austenitic stainless steel, and weld metal constituted by using the same and welded joint 有权
标题翻译：用于奥氏体不锈钢的焊接材料和使用该焊接材料的焊接金属和焊接接头
公开(公告)号：JP2008207242A
公开(公告)日：2008-09-11
申请号：JP2007049065
申请日：2007-02-28
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRATA HIROMASA , OGAWA KAZUHIRO , KOUSU TAKAHIRO
IPC分类号： B23K35/30 , C22C38/00 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a welding material for an austenitic stainless steel having excellent in weld hot cracking resistance in a high temperature region, and to provide a weld metal and a welded joint having excellent ductility and creep strength in a high temperature region.
SOLUTION: The welding material for an austenitic stainless steel has a chemical composition comprising, by mass, 0.03 to 0.18% C, ≤0.5% Si, ≤1.5% Mn, >40 to 50% Ni, 20 to 25% Cr, 5 to 8% W, 0.60 to 1.40% Nb, 0.03 to 0.18% Ti, >0.1 to 0.2% N and ≤0.01% Al, and the balance Fe with impurities, wherein the impurities containing ≤0.01% P, ≤0.01% S and ≤0.02% O (oxygen). Also disclosed are the weld metal obtained by using the welding material, and the welded joint composed of a base metal of an austenitic stainless steel having excellent high temperature strength.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种在高温区域具有优异的焊接耐热裂纹性的奥氏体不锈钢焊接材料，并提供具有优异的延展性和蠕变强度的焊接金属和焊接接头温度区域。解决方案：奥氏体不锈钢的焊接材料具有以质量计0.03〜0.18％的Si，≤1.5％的Mn，40〜50％的Ni，20〜25％的Cr，，5〜8％W，0.60〜1.40％Nb，0.03〜0.18％Ti，0.1〜0.2％N，≤0.01％Al，余量为Fe与杂质，其中含有≤0.01％P，≤0.01％ S和≤0.02％O（氧）。还公开了通过使用焊接材料获得的焊接金属和由具有优异的高温强度的奥氏体不锈钢的贱金属组成的焊接接头。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2006281217A Connecting tube and its manufacturing method 有权
标题翻译：连接管及其制造方法
公开(公告)号：JP2006281217A
公开(公告)日：2006-10-19
申请号：JP2005100426
申请日：2005-03-31
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRATA HIROMASA , HAMADA MASAHIKO , SHINOKI KENICHI , SHIMOMOTO TOSHIKI
IPC分类号： B23K9/028 , B23K101/06
摘要： PROBLEM TO BE SOLVED: To provide a connecting tube excellent in buckling resistance and also to provide its manufacturing method.
SOLUTION: This connecting tube is equipped with steel tubes 10, 20 and a butt-welded zone 30. The steel tube 20 is installed coaxially with the steel tube 10 and provided with the same nominal outside diameter DA (mm) as the steel tube 10. The butt-welded zone 30 is between the tubes 10, 20 and formed by butt-welding of these tubes 10, 20. The outside diameter DO1 (mm) and the inner diameter DI1 (mm) of the end 11 of the steel tube 10 and those DO2 (mm) and DI2 (mm) of the end 21 of the steel tube 20 satisfy following expressions (1), (2). The yield stress Y1 (MPa) of the steel tube 10 and that Y2 (MPa) of the steel tube 20 satisfy expression (3) below. Expressions (1), (2) and (3) are: |DO1-DO2|≤1.5×|DI1-DI2| (1); |DI1-DI2|≤0.01×DA+2 (2); and |Y1-Y2|≤120 (3), respectively.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供耐弯曲性优异的连接管，并提供其制造方法。
解决方案：该连接管配备有钢管10,20和对接焊接区域30.钢管20与钢管10同轴设置，并且设置有与钢管10相同的标称外径DA（mm）对接焊接区域30在管10,20之间，并通过这些管子10,20的对接焊接形成。外径DO1（mm）和端部11的内径DI1（mm）钢管20的端部21的钢管10和DO2（mm）和DI2（mm）满足下述式（1），（2）。钢管10的屈服应力Y1（MPa）和钢管20的Y2（MPa）满足下面的式（3）。表达式（1），（2）和（3）是：¾DO1-DO2¾≤1.5×¾DI1-DI2¾（1）; ¾DI1-DI2¾≤0.01×DA + 2（2）; 和¾Y1-Y2¾≤120（3）。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2004230404A Welding material and weld metal 有权
公开(公告)号：JP2004230404A
公开(公告)日：2004-08-19
申请号：JP2003019686
申请日：2003-01-29
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRATA HIROMASA , OGAWA KAZUHIRO
IPC分类号： B23K35/30 , B23K9/00 , B23K101/06 , B23K103/04 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide welding material and weld metal for high-strength low-alloy heat-resistant steel containing W, V and Nb capable of preventing reheat cracking occurring when reheating a weld zone. SOLUTION: (1) The welding material has a composition consisting of 0.005-0.1% C, 0.05-0.8% Si, 0.1-2% Mn, ≤ 0.02% P, ≤ 0.01% S, > 0.25 to ≤ 2% Ni, 2-3% Cr, 1-2% W, COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2004107719A Low alloy steel 有权
标题翻译：低合金钢
公开(公告)号：JP2004107719A
公开(公告)日：2004-04-08
申请号：JP2002271034
申请日：2002-09-18
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： IGARASHI MASAAKI , KONO YOSHIORI , HIRATA HIROMASA
IPC分类号： C22C38/00 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a low alloy steel which has excellent long time creep strength, creep ductility, and toughness which are suitable as a material for a heat-resistant structural member used in the temperature region to about 550°C.
SOLUTION: The low alloy steel contains 0.03-0.10% C, ≤0.10% Si, 0.001-0.30% Mn, ≤0.020% P, ≤0.0080% S, 0.40-1.50% Cr, 0.25-1.00% Mo, 0.03-0.15% V, 0.001-0.070% Nb, 0.001-0.30% Ni, 0.001-0.020% Ti, 0.0001-0.0060% B, 0.0001-0.030% Nd, ≤0.010% soluble Al, ∠0.0060% N, ≤0.0050% O, and the balance Fe and impurities, and the content of Ti, B, N, and Nd is in the range of 0.0001-0.0060 of Beff value expressed by formula (1): Beff=B-(11/14)N+(11/48)Ti+(11/144)Nd. This low alloy steel can also contain at least one of W, Cu, Co, Mg, Ca, La, Ce, Y, Sm, and Pr.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种低温合金钢，其具有优异的长时间蠕变强度，蠕变延展性和韧性，其适用于在温度范围至约550℃的耐热结构构件的材料。
解决方案：低合金钢含有0.03-0.10％C，≤0.10％Si，0.001-0.30％Mn，≤0.020％P，≤0.0080％S，0.40-1.50％Cr，0.25-1.00％Mo，0.03 -0.15％V，0.001-0.070％Nb，0.001-0.30％Ni，0.001-0.020％Ti，0.0001-0.0060％B，0.0001-0.030％Nd，≤0.010％可溶性Al，∠0.0060％N，≤0.0050％O ，余量为Fe和杂质，Ti，B，N和Nd的含量在式（1）表示的Beff值的0.0001-0.0060的范围内：Beff = B-（11/14）N +（11 / 48）的Ti +（144分之11）钕。该低合金钢也可以含有W，Cu，Co，Mg，Ca，La，Ce，Y，Sm和Pr中的至少一种。版权所有（C）2004，JPO

6. 发明专利

JPH11277293A Welding metal and welding joint excellent in reheat crack resistance 失效
标题翻译：焊接金属和焊接接头在抗裂性能方面优秀
公开(公告)号：JPH11277293A
公开(公告)日：1999-10-12
申请号：JP7908298
申请日：1998-03-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRATA HIROMASA , OGAWA KAZUHIRO , OTSUKA NOBUO
IPC分类号： B23K35/30 , C22C38/00 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a welding metal and a welding joint for an austenite steel capable of preventing a micro crack in multi-layer welding and excellent in corrosion resistance in a high temp. environment including chloride and sulfide.
SOLUTION: A steel contains, by weight, ≤0.08% C, ≤2% Mn, 30-45% Ni, 25-35% Cr, 0.2-1.8% Mo, 0.5-3.5% Nb, 0.1-0.35% N, ≤0.01% Al, ≤0.01% O, 0-0.01% B, 0-0.01% Ca, 0-0.01% Mg, 0-0.02% Zr, 0-0.02% Hf, 0-0.02% Ta, and ≤0.01% P. In this case, Si and Nb satisfy the formula, Si≤0.12Nb+0.04, and also S and Nb satisfy the formula, S≤0.001 Nb + 0.015.
COPYRIGHT: (C)1999,JPO
摘要翻译：要解决的问题：提供一种能够防止多层焊接中的微裂纹和高温下耐腐蚀性优异的奥氏体钢的焊接金属和焊接接头。环境包括氯化物和硫化物。解决方案：钢中含有<= 0.08％C，<= 2％Mn，30-45％Ni，25-35％Cr，0.2-1.8％Mo，0.5-3.5％Nb，0.1-0.35％N ，<= 0.01％Al，≤0.01％O，0-0.01％B，0-0.01％Ca，0-0.01％Mg，0-0.02％Zr，0-0.02％Hf，0-0.02％Ta和在这种情况下，Si和Nb满足公式Si <= 0.12Nb + 0.04，S和Nb满足公式S <= 0.001 Nb + 0.015。

7. 发明专利

JP2011255390A Welding material for austenitic heat-resistant steel, and welded metal and welded joint each using the same 有权
标题翻译：用于奥氏体耐热钢的焊接材料，以及焊接金属和焊接接头
公开(公告)号：JP2011255390A
公开(公告)日：2011-12-22
申请号：JP2010129858
申请日：2010-06-07
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRATA HIROMASA , OKADA KOICHI , JOTOKU KANA , OGAWA KAZUHIRO , YOSHIZAWA MITSURU
IPC分类号： B23K35/30 , B23K9/00 , B23K9/23 , B23K103/04 , C22C19/05
CPC分类号： C22C30/00 , B23K35/3066 , B23K2203/05 , C22C19/055
摘要： PROBLEM TO BE SOLVED: To provide a welding material for a γ-type heat-resistant steel having excellent high-temperature cracking resistance during welding, and to provide a welded metal and a welded joint having high-temperature cracking resistance during welding, stress relaxation cracking resistance during long-time use at a high temperature, and excellent creep strength.SOLUTION: (1) There is disclosed the welding material for the γ-type heat-resistant steel having a chemical composition including >0.05-0.18% C, ≤0.5% Si, ≤1.5% Mn, 40-50% Ni, 20-25% Cr, >8.0-13.0% W, 0.01-0.2% Ti, >0.03-0.20% N and ≤0.01% Al, wherein the residue is composed of Fe and impurities, and the impurities contain ≤0.02% O, ≤0.008% P and ≤0.005% S. Further, the welding material may contain
摘要翻译：要解决的问题：提供一种在焊接期间具有优异的耐高温裂纹性的γ型耐热钢焊接材料，并提供焊接时具有耐高温裂纹性的焊接金属和焊接接头在高温下长时间使用时的耐张力开裂性，耐蠕变强度优异。（1）公开了具有以下化学成分的γ型耐热钢的焊接材料，该组成包括：> 0.05〜0.18％C，≤0.5％Si，≤1.5％Mn，40〜50％Ni ，20-25％Cr，> 8.0-13.0％W，0.01-0.2％Ti，> 0.03-0.20％N和≤0.01％Al，其中残余物由Fe和杂质组成，杂质含有≤0.02％O ，≤0.008％P和≤0.005％S.此外，焊接材料可含有<0.60％的Nb。（2）焊接金属使用γ型耐热钢的焊接材料，（3）焊接接头由焊接金属和γ型耐热钢的母材构成，温度强度。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2010007094A Ferritic heat resistant steel 有权
标题翻译：耐热钢
公开(公告)号：JP2010007094A
公开(公告)日：2010-01-14
申请号：JP2008164243
申请日：2008-06-24
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRATA HIROMASA , OGAWA KAZUHIRO , YOSHIZAWA MITSURU , IGARASHI MASAAKI
IPC分类号： C22C38/00 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide a ferritic heat resistant steel having excellent weld crack resistance in a HAZ (Heat Affected Zone) and further having excellent creep strength and toughness.
SOLUTION: The ferritic heat resistant steel has a composition comprising, by mass, 0.04 to 0.16% C, >0.1 to ≤1.0% Si, ≤2.0% Mn, 1 to 8% Co, 7 to 13% Cr, 0.05 to 0.40% V, 0.01 to 0.09% Nb, either or both of Mo and W by 0.5 to 4% in total, 0.005 to 0.025% B, ≤0.03% Al and 0.003 to 0.06% N, and the balance Fe with impurities, and, in which, the contents of O, P and S as the impurities satisfy ≤0.02%, ≤0.03% and ≤0.02%, respectively, and further, the C content satisfies inequality (1) or (2) in accordance with welding heat input amount Q. The steel may further comprise one or more selected from Nd, Ta, Ca and Mg. (1) C≤-0.12×Q+0.31, when Q
摘要翻译：要解决的问题：提供在HAZ（受热影响区域）中具有优异的耐熔融裂纹性并且还具有优异的蠕变强度和韧性的铁素体耐热钢。铁素体系耐热钢的组成包括：质量分数为0.04〜0.16％的Si，≤2.0％的Mn，1〜8％的Co，7〜13％的Cr，0.05 至0.40％V，0.01〜0.09％的Nb，Mo和W中的任一种或两者的总和为0.5〜4％，B：0.005〜0.025％，Al为0.003〜0.06％，余量为Fe，其中作为杂质的O，P和S的含量分别满足≤0.02％，≤0.03％和≤0.02％，此外，根据焊接，C含量满足不等式（1）或（2）热输入量Q.钢还可以包含选自Nd，Ta，Ca和Mg中的一种或多种。（1）当Q <1.8（kJ / mm）时，C≤-0.12×Q + 0.31。（2）C≤0.094，当Q≥1.8（kJ / mm）时。此处，Q表示焊接热输入量（kJ / mm），C表示C含量（质量％）。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2010227955A Weld metal and welding material 有权
标题翻译：焊接金属和焊接材料
公开(公告)号：JP2010227955A
公开(公告)日：2010-10-14
申请号：JP2009076304
申请日：2009-03-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRATA HIROMASA , NAKAMURA JUN , OTOME YOHEI
IPC分类号： B23K35/30 , B23K9/23 , C22C19/05
摘要： PROBLEM TO BE SOLVED: To provide a weld metal capable of obtaining the high strength through the heat treatment after the welding in a short period of time, and having excellent weld cracking resistance.
SOLUTION: The weld metal has a composition composed of 0.06-0.18% C, ≤0.5% Si, ≤2.0% Mn, 50-68% Ni, 20-30% Cr, 2.0-7.0% Al, 0.55-1.50% Nb, and 0.04-0.15% N, and the balance Fe with inevitable impurities, while ≤0.02% O, P and S, ≤0.01% P and ≤0.01% S are contained in the inevitable impurities. The Vickers hardness of the weld metal is preferably ≥320.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够在短时间内通过热处理获得高强度并且具有优异的耐焊接龟裂性的焊接金属。焊接金属具有由0.06-0.18％C，≤0.5％Si，≤2.0％Mn，50-68％Ni，20-30％Cr，2.0-7.0％Al，0.55-1.50组成的组成％Nb和0.04-0.15％N，余量为Fe与不可避免的杂质，而不可避免的杂质含有≤0.02％的O，P和S，≤0.01％的P和≤0.01％的S。焊接金属的维氏硬度优选≥320。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2010227949A Weld metal and welding material 有权
标题翻译：焊接金属和焊接材料
公开(公告)号：JP2010227949A
公开(公告)日：2010-10-14
申请号：JP2009075949
申请日：2009-03-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRATA HIROMASA , NAKAMURA JUN , SENBA MITSUYUKI , KOBAYASHI KENJI
IPC分类号： B23K35/30 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a weld metal capable of obtaining the high strength through the heat treatment after the welding in a short period of time, and having excellent weld cracking resistance.
SOLUTION: The weld metal has a composition composed of 0.16-0.35% C, ≤0.5% Si, ≤2.0% Mn, 18-38% Ni, 9-22% Cr, 2.0-6.0% Ti, 0.05-0.65% Al, 0.1-0.6% V, and ≤0.15% N, and the balance Fe with inevitable impurities, while ≤0.02% O, P and S, ≤0.01% P and ≤0.01% S are contained in the inevitable impurities. The weld metal may contain ≤5% Nb. The Vickers hardness of the weld metal is preferably ≥320.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够在短时间内通过热处理获得高强度并且具有优异的耐焊接龟裂性的焊接金属。
解决方案：焊缝金属具有由0.16-0.35％C，≤0.5％Si，≤2.0％Mn，18-38％Ni，9-22％Cr，2.0-6.0％Ti，0.05-0.65 ％Al，0.1-0.6％V和≤0.15％N，余量为不可避免的杂质，而不可避免的杂质含有≤0.02％O，P和S，≤0.01％P和≤0.01％S。焊缝金属可含有≤5％的Nb。焊接金属的维氏硬度优选≥320。版权所有（C）2011，JPO＆INPIT

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