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1. 发明专利

JP2005329460A Electrogas arc welding method excellent in brittle fracture initiation resistance characteristics of weld zone 有权
$Electrogas arc welding method excellent in brittle fracture initiation resistance characteristics of weld zone$
标题翻译：电弧焊接方法在焊接区域的脆性起爆电阻特性方面优秀
公开(公告)号：JP2005329460A
公开(公告)日：2005-12-02
申请号：JP2005063378
申请日：2005-03-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： OKITA SHIGERU , HASHIBA YUJI , ISHIKAWA TADASHI , SASAKI MASAHITO
IPC分类号： B23K9/173 , B23K35/30 , B23K35/368
摘要： PROBLEM TO BE SOLVED: To provide weld metal having sufficient fracture toughness although the hardness (Hv) of the weld metal in a welded joint is 220 or less, even in the welding of a steel plate which has high strength and is thicker than 50 mm.
SOLUTION: A single-electrode or dual-electrode electrogas welding method which is excellent in brittle fracture initiation resistance characteristics of a weld zone. In the method, a steel material having a thickness of 50 to 80 mm and a yield strength of 470N/mm
2 or higher is subjected to vertical position welding by using a flux cored wire for the single electrode or either one of the dual-electrodes. The welding wire contains, as average chemical composition, by mass%, 0.01-0.10% C, 0.05-0.3% Ti, 0.01-0.03% B, and N limited to 0.01% or less, and further one or both of 0.05-0.25% Al and 0.05-0.30% Mg, 0.1-0.75% in total of slag former comprising one or more of CaF
2 , LiF, CaCO
3 and LiCO
3 , and the balance being Fe and unavoidable impurities.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有足够的断裂韧性的焊接金属，尽管焊接接头中的焊接金属的硬度（Hv）为220或更小，即使在具有高强度并且较厚的钢板的焊接中超过50毫米。解决方案：焊接区的脆性断裂起始电阻特性优异的单电极或双电极电气焊接方法。在该方法中，通过使用用于单电极的药芯焊丝，将厚度为50〜80mm，屈服强度为470N / mm×SP2以上的钢材进行垂直位置焊接，或双电极之一。焊丝的平均化学成分以质量％计含有0.01-0.10％C，0.05-0.3％Ti，0.01-0.03％B，N含量限制在0.01％以下，进一步包含0.05-0.25 ％Al和0.05-0.30％Mg，含有CaF 2 SB 3，LiF，CaCO 3 SB 3和LiCO 3的一种或多种的炉渣造成的总计为0.1-0.75％，余量为Fe和不可避免的杂质。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2004090051A Flux for submerged arc welding of low alloy steel excellent in resistance to sulfuric acid and hydrochloric acid, and submerged arc welding process 有权
标题翻译：用于耐硫酸和氢氯酸的低合金钢的浸渍弧焊和浸没式焊接工艺
公开(公告)号：JP2004090051A
公开(公告)日：2004-03-25
申请号：JP2002255745
申请日：2002-08-30
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KOJIMA KAZUHIRO , OKITA SHIGERU , USAMI AKIRA , UMEKI MASAO , SASAKI MASAHITO , KURAMATA SATORU
IPC分类号： B23K9/18 , B23K9/23 , B23K35/362
摘要： PROBLEM TO BE SOLVED: To provide flux for submerged arc welding by which a weld metal excellent in resistance to sulfuric acid and hydrochloric acid is obtained, and to provide a submerged arc welding process.
SOLUTION: Fusible flux for the submerged arc welding of a low alloy steel excellent in resistance to sulfuric acid and hydrochloric acid, contains Sb of 0.01 to 1.5 %, SiO
2 of 0.1 to 50 %, Al
2 O
3 of 0.1 to 50 %, and MgO of 0.1 to 50 %, by mass % to the whole mass of the flux.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供用于浸没电弧焊接的焊剂，通过该焊剂获得耐硫酸和盐酸耐受性优异的焊接金属，并提供埋弧焊接工艺。
解决方案：耐硫酸和盐酸耐腐蚀性好的低合金钢的埋弧焊可熔焊剂含有0.01〜1.5％的Sb，0.1〜50％的SiO 2 2 3 为0.1〜50％，MgO为0.1〜50质量％。版权所有（C）2004，JPO

3. 发明专利

JP2011140052A Flux-cored wire for gas-shielded welding 有权
标题翻译：用于气体焊接焊接的通丝线
公开(公告)号：JP2011140052A
公开(公告)日：2011-07-21
申请号：JP2010002847
申请日：2010-01-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KOJIMA KAZUHIRO , SHIMURA RYUICHI , SASAKI MASAHITO
IPC分类号： B23K35/02
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored welding wire having excellent welding workability.
SOLUTION: In the flux-cored wire for gas-shielded welding, a spiral steel wire 3 is inserted in a tubular steel-made outer pipe 2, and flux 4 is filled therein, the spiral steel wire 3 is directly brought into contact with an inner surface 2c of the steel-made outer pipe 2, the total cross sectional area of the spiral steel wire 3 at an optional cross section of the wire is 10-40% of the cross sectional area inside the steel-made outer pipe 2, and the pitch of the spiral steel wire 3 is in a range of 15 to 50 mm.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的焊接加工性的药芯焊丝。
解决方案：在用于气体保护焊的药芯焊丝中，螺旋钢丝3插入管状钢制外管2中，并且将焊剂4填充在其中，螺旋钢丝3直接进入与钢制外管2的内表面2c接触时，线材的任意横截面处的螺旋状钢丝3的总截面积为钢制外侧的截面积的10〜40％管2，螺旋状钢丝3的间距为15〜50mm的范围。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2008168312A HIGH Ni FLUX-CORED WIRE HAVING EXCELLENT HIGH-TEMPERATURE CRACK RESISTANT CHARACTERISTIC, AND FILLET WELDING METHOD USING THE SAME 审中-公开
标题翻译：具有优异耐高温耐高温特性的高镍铁芯线及使用其的电极焊接方法
公开(公告)号：JP2008168312A
公开(公告)日：2008-07-24
申请号：JP2007002338
申请日：2007-01-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KASUYA TADASHI , OIKAWA HATSUHIKO , SASAKI MASAHITO
IPC分类号： B23K35/368 , B23K9/02 , B23K9/173 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a high Ni flux-cored wire having excellent strength, toughness and high-temperature crack resistant characteristic, and a fillet welding method using the same.
SOLUTION: In the flux-cored wire for the fillet welding with a filling flux being filled in a steel shell, the entire wire contains, by mass to the total mass of the wire, 0.01-0.15% C, 0.05-0.8% Si, 5.0-12.0% Ni, and 1.0-3.5% Mn as metal or an alloy, and further contains Ca so that the Ca content [Ca%] and the Mn content [Mn%] satisfy the relationship of [Mn%]+1.4×[Ca%]: 1.5-3.7%, and the P content and S content are limited to be ≤0.02%, and ≤0.01%, respectively. Still further, one or two or more kinds of SiO
2 , Al
2 O
3 , Na
2 O and K
2 O is contained inthe flux so that the total amount thereof is 0.05-1.0% in terms of the mass% to the total mass of the wire.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的强度，韧性和耐高温裂纹特性的高Ni药芯焊丝，以及使用其的焊接方法。
解决方案：在填充焊剂填充钢壳的角焊焊条中，整个焊丝的质量与焊丝质量的质量相同，为0.01-0.15％C，0.05〜0.8 ％Si，5.0-12.0％Ni和1.0-3.5％Mn作为金属或合金，并且还含有Ca，使得Ca含量[Ca％]和Mn含量[Mn％]满足[Mn％] + 1.4×[Ca％]：1.5-3.7％，P含量和S含量分别为≤0.02％，≤0.01％。另外还有一种或两种或更多种SiO 2 SBB，O 2 SBB，O 2 SBB，O 2，SO 2和/ 在焊剂中含有K <2> O，使得其总量相对于焊丝总质量的质量％为0.05〜1.0％。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2006272405A Metallic flux cored wire and welding method 有权
标题翻译：金属焊丝和焊接方法
公开(公告)号：JP2006272405A
公开(公告)日：2006-10-12
申请号：JP2005096161
申请日：2005-03-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KASUYA TADASHI , SASAKI MASAHITO
IPC分类号： B23K35/368 , B23K9/16 , B23K9/173 , B23K35/365 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide a metallic flux cored wire with which excellent coating suitability can be secured by stipulating slag material components, adding graphite within a prescribed value, and thereby reducing the quantity of the slag formation. SOLUTION: By the regulation of a slag material and the stipulation of graphite, the quantity of the slag formation is reduced and, for the purpose of securing coating suitability of the flux cored wire, the flux is made to contain in mass% of the entire wire: 0.001-0.20% C other than graphite, 0.10-0.7% graphite, 0.05-1.2% Si other than SiO 2 , 0.2-3.0% Mn, ≤0.03% P, ≤0.02% S, and 0.05-0.40% in total of one or more kinds of SiO 2 , Al 2 O 3 , Na 2 O, and K 2 O, wherein the graphite and the one or more kinds of SiO 2 , Al 2 O 3 , Na 2 O, and K 2 O are made to be contained at least in the flux. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种金属药芯焊丝，其通过规定炉渣材料成分可以确保优异的涂布适应性，在规定值内添加石墨，从而减少熔渣形成量。
解决方案：通过调节渣料和石墨的规定，减少了炉渣形成量，为了确保药芯焊丝的涂布适应性，使焊剂以质量％的整个线材：除石墨之外的0.001-0.20％C，0.10-0.7％的石墨，除SiO 2 以外的0.05-1.2％的Si，0.2-3.0％的Mn，≤0.03％的P，≤0.02 ％S，以及0.05〜0.40％的一种或多种SiO 2 SBB，Al SB 2，N 2 SB 3 O和K

6. 发明专利

JP2011020154A Flux-cored wire for gas shielded welding 有权
标题翻译：用于气体屏蔽焊接的通丝线
公开(公告)号：JP2011020154A
公开(公告)日：2011-02-03
申请号：JP2009168068
申请日：2009-07-16
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NAKAMURA SHUICHI , KOJIMA KAZUHIRO , HASEGAWA TOSHINAGA , SHIMURA RYUICHI , SASAKI MASAHITO
IPC分类号： B23K35/368 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored wire for gas shielded welding, in which weldability in all-position welding and toughness are excellent and in which even weld metal after post welding heat treatment can bring superior toughness.
SOLUTION: The flux-cored wire is characterized in that, in mass% relative to total mass of the wire, it contains a slag agent composed indispensably of 0.3-8.0% CaO and 1.0-8.0% metal fluoride, that it contains, as alloy component, 0.03-0.30% C, 0.2-1.5% Si, 0.5-2.5% Mn, 0.002-0.05% Al, ≤0.010% Nb, ≤0.010% V and the balance consisting of iron, arc stabilizer, and inevitable impurities, and that X=[C]+[Si]/24+[Mn]/6+[Ni]/40+[Cr]/5+[Mo]/4+[Cu]/40+[Ti]/30+5×[B] is 0.20-1.2% and further Y=[Nb]+[V]/2+[Ti]/20 is controlled to be ≤0.012%.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于气体保护焊的药芯焊丝，其中全焊接和韧性的焊接性优异，并且焊后热处理后的均匀焊接金属可以带来优异的韧性。药芯焊丝的特征在于，相对于电线总质量的质量％，其包含不可避免地为0.3-8.0％CaO和1.0-8.0％金属氟化物的熔渣剂，其含有作为合金成分，0.03-0.30％C，0.2-1.5％Si，0.5-2.5％Mn，0.002-0.05％Al，≤0.010％Nb，≤0.010％V，余量由铁，电弧稳定剂和不可避免的组成杂质，并且X = [C] + [Si] / 24 + [Mn] / 6 + [Ni] / 40 + [Cr] / 5 + [Mo] / 4 + [Cu] / 40 + [Ti] 30 + 5×[B]为0.20〜1.2％，进一步将Y = [Nb] + [V] / 2 + [Ti] / 20控制在≤0.012％。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2004090042A Flux cored wire for gas shielded arc welding of low alloy steel excellent in resistance to hydrochloric acid and sulfuric acid 有权
公开(公告)号：JP2004090042A
公开(公告)日：2004-03-25
申请号：JP2002255345
申请日：2002-08-30
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： OKITA SHIGERU , KOJIMA KAZUHIRO , USAMI AKIRA , KURAMATA SATORU , SASAKI MASAHITO
IPC分类号： B23K35/30 , B23K35/368
摘要： PROBLEM TO BE SOLVED: To obtain a weld metal excellent in resistance to sulfuric acid and hydrochloric acid, and to aim at the improvement of the resistances to sulfuric acid and hydrochloric acid keeping satisfactory weldability.
SOLUTION: A wire for gas shielded arc welding is filled up with infilling flux in a steel outer sheath. Moreover, the wire contains C of 0.005 to 0.15 %, Si of 0.1 to 2 %, Mn of 0.2 to 3 %, P of 0.03 % or less, S of 0.03 % or less, Cu of 0.1 to 1 %, Ni of 0.1 to 0.65 %, Sb of 0.01 to 0.5 %, and Fe and inevitable impurities as the residuals in mass % to the whole wire mass in either one of the steel outer sheath or the infilling flux or both of those.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2007136547A Method for producing metallic flux cored wire with little slag and welded joint having high fatigue strength 有权
标题翻译：用于生产具有小滑块的金属线芯线和具有高疲劳强度的焊接接头的方法
公开(公告)号：JP2007136547A
公开(公告)日：2007-06-07
申请号：JP2006250567
申请日：2006-09-15
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KASUYA TADASHI , SASAKI MASAHITO , OIKAWA HATSUHIKO
IPC分类号： B23K35/368 , B23K9/173 , B23K9/23 , B23K35/30 , B23K35/362 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a wire having remarkably little slag formation compared with gas shielded arc welding using conventional metallic flux cored wire, and also for producing welded joints having high fatigue strength. SOLUTION: The wire is for the gas shielded arc welding of a steel plate having a thickness of 1.0-5.0 mm and a strength of 440-980 MPa. The wire contains, by mass% based on the whole wire, 0.001-0.20% C exclusive of SiC, 0.6-1.2% SiC, 0.05-1.2% Si exclusive of SiC and SiO 2 , 0.2-3.0% Mn, ≤0.03% P, ≤0.02% S, and 0.05-0.40% in total of one or more of SiO 2 , Al 2 O 3 , Na 2 O and K 2 O, the balance being iron and unavoidable impurities, with the proviso that SiC and one or more of SiO 2 , Al 2 O 3 , Na 2 O and K 2 O are contained at least as the flux in a steel sheath. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种与使用常规金属药芯焊丝的气体保护电弧焊相比具有非常少的熔渣形成的焊丝的制造方法，以及用于生产具有高疲劳强度的焊接接头。
解决方案：电线用于厚度为1.0-5.0mm，强度为440-980MPa的钢板的气体保护电弧焊接。该导线以质量％为基准，以不包括SiC，0.6-1.2％的SiC，0.05-1.2％的不包括SiC和SiO 2 的Si为0.001-0.20％的C，0.2-3.0 ％Mn，≤0.03％P，≤0.02％S，和一种或多种SiO 2 SBB，Al 2 3的总和为0.05-0.40％ / SB>，Na 2和K 2 < / SB>，Al 2 3 ，Na SB 2和K SB 2 O至少含有钢护套中的焊剂。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2005330578A Electrogas welded joint having excellent toughness 有权
标题翻译：电动焊接接头具有卓越的韧性
公开(公告)号：JP2005330578A
公开(公告)日：2005-12-02
申请号：JP2005063379
申请日：2005-03-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： OKITA SHIGERU , HASHIBA YUJI , ISHIKAWA TADASHI , SASAKI MASAHITO , OTANI JUN , MINAGAWA MASANORI
IPC分类号： B23K9/173 , B23K35/30 , B23K103/04 , C22C38/00 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide a weld metal capable of securing sufficient fracture toughness even if its hardness in a welded joint part is ≤220 even in the welding of thick steel having high strength and also having a plate thickness of >50 mm.
SOLUTION: In the electrogas arc welded joint having excellent toughness, the weld metal has a composition, by mass% of each chemical component, 0.01 to 0.10% C, 0.2 to 0.6% Si, 1.0 to 2.0% Mn, 0.5 to 3.0% Ni, ≤0.5% Mo, 0.005 to 0.025% Al, 0.01 to 0.05% Ti, 0.003 to 0.009% B, ≤0.007% N and 0.02 to 0.05% O, and the balance Fe with inevitable impurities, and the value of CE in the weld metal shown by the formula (A) is 0.36 to 0.42: CE=C+Si/24+Mn/6+(Cu+Ni)/40+(Cr+Mo+V)/5 (A); wherein, C, Si, Mn, Cu, Ni, Cr, Mo and V are the average mass% of each chemical component in the weld metal.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在焊接具有高强度的厚钢板并且板厚度> 50°的情况下，即使焊接接头部件的硬度也≤220，也能够确保足够的断裂韧性的焊接金属毫米。解决方案：在具有优异韧性的电动电弧焊接接头中，焊接金属具有按化学成分的质量％计含有0.01〜0.10％C，0.2〜0.6％Si，1.0〜2.0％Mn，0.5〜 3.0％Ni，≤0.5％Mo，0.005〜0.025％Al，0.01〜0.05％Ti，0.003〜0.009％B，≤0.007％N和0.02〜0.05％O，余量为Fe与不可避免的杂质， CE（C + Si / 24 + Mn / 6 +（Cu + Ni））/ 40 +（Cr + Mo + V）/ 5（A）表示的焊接金属中的CE为0.36〜0.42。其中，C，Si，Mn，Cu，Ni，Cr，Mo和V是焊接金属中每种化学成分的平均质量％。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2002103041A DUAL-ELECTRODE VERTICAL ELECTROGAS ARC WELDING METHOD FOR EXTRA-THICK STEEL MEMBER 失效
公开(公告)号：JP2002103041A
公开(公告)日：2002-04-09
申请号：JP2000292667
申请日：2000-09-26
申请人： NIPPON STEEL CORP
发明人： MOTOE ATSUTADA , SASAKI MASAHITO , OKITA SHIGERU
IPC分类号： B23K9/173 , B23K9/02 , B23K35/362 , B23K37/06
摘要： PROBLEM TO BE SOLVED: To provide a dual-electrode vertical electrogas arc welding method by which, at the time of welding a thick steel plate, good low temperature toughness and good weldability can be obtained. SOLUTION: In the dual-electrode vertical electrogas arc welding method for extra-thick steel in which a sliding copper backing is applied on either face of the extra-thick material to be welded, a stationary type backing material is applied on the other face, two welding electrodes are inserted side by side into the grooves thereof in the sheet thickness direction, and the material to be welded is subjected to welding, flux cored wire containing metallic fluoride by 0.1 to 0.8% expressed in terms of F, a slag generating agent containing metallic fluoride by 0.3 to 1%, 0.03 to 0.12% C, 0.2 to 0.9% Si, 0.9 to 2.8% Mn, 0.1 to 0.6% Mo, 0.02 to 0.4% Ti and 0.002 to 0.012% B (further, 0.5 to 4% Ni), to the total amount of the wire, is used for the welding electrode 5 on the side of the sliding copper backing 2, and solid wire is used for the welding electrode 6 on the side of the stationary type backing material 8.

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