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1. 发明专利

JP2007090376A Flux cored wire for gas shield arc welding 有权
标题翻译：用于气体电弧焊的通用电线
公开(公告)号：JP2007090376A
公开(公告)日：2007-04-12
申请号：JP2005281695
申请日：2005-09-28
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TAKAUCHI HIDEAKI , HIDAKA TAKESHI , SUENAGA KAZUYUKI , IKEDA TETSUNAO , TAKAHASHI TETSUO
IPC分类号： B23K35/368 , B23K35/30 , B23K35/362
CPC分类号： B23K35/36
摘要： PROBLEM TO BE SOLVED: To provide a flux cored wire for gas shield arc welding, which flux cored wire can prevent the intrusion of diffusible hydrogen into a welding portion in arc welding, and has excellent moisture absorption resistance, and shows excellent welding workability. SOLUTION: The flux cored wire for gas shield arc welding is formed by filling a steel outer shell with flux. The flux contains 4.0 to 8.0 mass% of titanium dioxide, 0.02 to 0.40 mass% of alkaline metal fluoride (in terms of fluorine), 0.02 to 0.40 mass% of PTFE (in terms of fluorine), 0.01 mass% or less of alkaline earth metal fluoride in terms of fluorine by mass% based on the total mass of the wire, and also the rate of the fluoride composed of alkaline metal fluoride and PTFE satisfies the following expressions; (amount of alkaline metal fluoride in terms of fluorine)/(amount of PTEE in terms of fluorine)≤1; and (amount of alkaline metal fluoride in terms of fluorine +0.35)/(amount of PTEE in terms of fluorine)≥1. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于气体保护电弧焊的药芯焊丝，该药芯焊丝可以防止可扩散氢侵入电弧焊接中的焊接部分，并且具有优异的耐吸湿性，并且显示出优异的焊接可操作性。
解决方案：用于气体保护电弧焊的药芯焊丝是用焊剂填充钢外壳形成的。焊剂含有4.0〜8.0质量％的二氧化钛，0.02〜0.40质量％的碱金属氟化物（以氟计），0.02〜0.40质量％的PTFE（以氟计），0.01质量％以下的碱土金属氟化物以氟为基准，以质量％为基准，并且由碱金属氟化物和PTFE构成的氟化物的速率满足以下表达式：（碱金属氟化物的氟量）/（PTEE的氟量）≤1; （碱金属氟化物以氟计+ 0.35）/（PTEE的氟量）≥1。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2005088039A Titania-based flux cored wire 有权
标题翻译：基于TITANIA的通芯线
公开(公告)号：JP2005088039A
公开(公告)日：2005-04-07
申请号：JP2003323760
申请日：2003-09-16
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： HIDAKA TAKESHI , HASHIMOTO TETSUYA
IPC分类号： B23K35/365 , B23K9/24 , B23K35/368 , B23K35/40
摘要： PROBLEM TO BE SOLVED: To provide a titania-based flux cored wire for arc welding which gives excellent welding workability and weld metal performance, and has less moisture absorption quantity.
SOLUTION: The wire has a steel outer shell which is filled with a flux in an amount of 10-20 mass% as the ratio to the total mass of the wire. The flux contains 10-60 mass% of titanium and titanium oxide in terms of TiO
2 , 0.5-10 mass% of sodium compound in terms of Na
2 O, and 0.5-10 mass% of potassium compound in terms of K
2 O. Additionally the specific surface area of the titanium oxide is adjusted to 0.4-2.0 m
2 /g.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于电弧焊接的二氧化钛基药芯焊丝，其具有优异的焊接加工性和焊接金属性能，并且具有较少的吸湿量。解决方案：电线具有钢外壳，其以与电线总质量的比率填充10-20质量％的焊剂。焊剂含有10-60质量％的钛和氧化钛，以TiO 2 SB 2，SO 2 0.5〜10质量％，Na 2 S 2为0.5，钾化合物的-10质量％，以K SB 2为基准。另外，将氧化钛的比表面积调节至0.4-2.0m 2 / SP / g。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2009172641A Weld metal 审中-公开
标题翻译：焊接金属
公开(公告)号：JP2009172641A
公开(公告)日：2009-08-06
申请号：JP2008014234
申请日：2008-01-24
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： IKEUCHI KENJI , KITAGAWA YOSHIHIKO , KURODA TOSHIO , SHIBAYANAGI TOSHIYA , TAKAUCHI HIDEAKI , HIDAKA TAKESHI , SUENAGA KAZUYUKI , MATSUSHITA YUKINOBU
IPC分类号： B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide weld metal by which hydrogen trap effect can be stably obtained, not simply as slow diffusing hydrogen but such a hydrogen trap effect that fully suppressing movement of hydrogen in room temperature and by which delayed-fracture is prevented with stable delayed-fracture reducing effect.
SOLUTION: The weld metal has a composition containing, by mass, 0.50-5.00% Ti, 0.010-0.200% C, 0.10-1.50% Si, 0.50-5.00% Mn, with the balance Fe and inevitable impurities, and has a tensile strength of ≥600 MPa.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供可以稳定地获得氢阱效应的焊接金属，不仅仅是缓慢扩散氢而是完全抑制室温下的氢的运动并且延迟断裂的氢捕获效应防止了稳定的延迟断裂减少效果。解决方案：焊接金属具有质量分数为含有0.50-5.00％Ti，0.010-0.200％C，0.10-1.50％Si，0.50-5.00％Mn，余量为Fe和不可避免的杂质，并且具有抗拉强度≥600MPa。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008087043A Gas shielded arc welding flux-cored wire for high-tension steel 有权
标题翻译：气体焊接弧焊高强度钢丝
公开(公告)号：JP2008087043A
公开(公告)日：2008-04-17
申请号：JP2006271314
申请日：2006-10-02
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： HIDAKA TAKESHI , SUENAGA KAZUYUKI , ISHIDA HITOSHI , OKAZAKI YOSHIOMI
IPC分类号： B23K35/368 , B23K35/30
CPC分类号： B23K35/3053 , B23K35/0266 , B23K35/3602 , B23K35/3605
摘要： PROBLEM TO BE SOLVED: To improve low temperature toughness at approximately -60°C, welding workability, and crack resistance of weld metal, in high-tension steel welding of a proof strength of 620 MPa class or above.
SOLUTION: The gas shielded arc welding flux-cored wire for high-tension steel contains 0.02-0.14% C, 0.4-1.1% Si, 0.8-3.0% Mn, 0.2-3.1% Ni, ≤0.2% Ti, 0.1-4.0% in total of at least one kind of Cr and Mo, 5.0-7.2% in total of TiO
2 and MgO, with N controlled to be ≤0.0150%. Further, as necessary, the flux-cored wire contains ≤2.0% in total of alkali metal fluoride, alkali metal oxide, alkaline earth metal fluoride, alkaline earth metal oxide, B, Al and Mg, with the balance composed of inevitable impurities and Fe. Assume that x=MgO/TiO
2 and function F(x)=37.2×x
-0.0665 -30; then 0.05≤x≤0.22 and 11≤F(x)≤15.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提高620MPa级以上的抗拉强度的高强度钢焊接，提高约-60℃的低温韧性，焊接加工性，抗裂缝性。
解决方案：用于高压钢的气体保护电弧焊药芯焊丝含有0.02-0.14％C，0.4-1.1％Si，0.8-3.0％Mn，0.2-3.1％Ni，≤0.2％Ti，0.1 至少有一种Cr和Mo总计为-4.0％，TiO_2总量为5.0-7.2％，MgO控制在0.01％以下。此外，根据需要，药芯焊丝含有≤2.0％的碱金属氟化物，碱金属氧化物，碱土金属氟化物，碱土金属氧化物，B，Al和Mg，余量由不可避免的杂质和Fe 。假设x = MgO / TiO 2 SB 2和函数F（x）= 37.2×x -0.0665 -30; 那么0.05≤x≤0.22和11≤F（x）≤15。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2006257481A High-strength weld metal superior in low-temperature toughness 有权
标题翻译：高强度焊接金属高温在低温韧性
公开(公告)号：JP2006257481A
公开(公告)日：2006-09-28
申请号：JP2005075634
申请日：2005-03-16
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： OKAZAKI YOSHIOMI , SUENAGA KAZUYUKI , HIDAKA TAKESHI
IPC分类号： C22C38/00 , B23K35/30 , B23K35/368 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a weld metal formed by gas-shielded arc welding with the use of a flux cored wire, which has a strength of 700 MPa or higher and has superior toughness in a low-temperature range of a -40°C grade as well.
SOLUTION: The weld metal formed by gas-shielded arc welding with the use of the flux cored wire includes, by mass%, 0.02-0.12% C, 0.1-1.00% Si, 0.3-3.0% Mn, 0.5-3.5% Ni, 0.005-0.20% Ti and 0.02-0.07% O; and includes oxides with a maximum diameter of 0.1 μm or more but less than 1 μm controlled to 10×10
3 to 500×10
3 pieces in terms of an observed area of 1 mm
2 , and oxides with a maximum diameter of 1 μm or more controlled to 150 pieces or less in terms of the observed area of 1 mm
2 , when a cross section of the weld metal is observed with an electron microscope.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过气体保护电弧焊形成的焊接金属，使用具有700MPa以上的强度的药芯焊丝，并且在低温范围内具有优异的韧性 -40°C等级。解决方案：使用药芯焊丝通过气体保护电弧焊形成的焊接金属，以质量％计含有0.02-0.12％C，0.1-1.00％Si，0.3-3.0％Mn，0.5-3.5 ％Ni，0.005-0.20％Ti和0.02-0.07％O; 并且包括最大直径为0.1μm以上但小于1μm的氧化物，其被控制为10×10 3 至500×10 3 1 mm 2 时，最大直径为1μm以上的氧化物以观察面积为1mm 2控制在150片以下，当横截面积用电子显微镜观察焊缝金属。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2004167600A Flux-cored wire, welding method and equipment for two-electrode electrogas arc welding 有权
公开(公告)号：JP2004167600A
公开(公告)日：2004-06-17
申请号：JP2003303689
申请日：2003-08-27
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： HIDAKA TAKESHI , HASHIMOTO TETSUYA , HASE KAORU , SASAKURA HIDEJI , NAKAO TETSUYA
IPC分类号： B23K9/173 , B23K35/02 , B23K35/30 , B23K35/362
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored wire that enable excellent welding working properties and improved low temperature toughness to be obtained in the vertical one pass welding of a thick steel plate in two-electrode electrogas arc welding, and to provide a method and equipment for two-electrode electrogas arc welding.
SOLUTION: Two-electrode electrogas arc welding is performed on a material 1 to be welded, by holding a sliding copper plate 2 against the front face of the extremely thick material 1 to be welded, applying a fixed type backing material 3 to the rear face, and arranging two welding wires 4, 5 apart from each other in the plate thickness direction in the groove that is wider in the front side than in the rear. In this case, only the welding wire 4 on the front side is oscillated and not the welding wire 5 on the rear. In addition, for the welding wires 4, 5, a flux-cored wire is used containing, each in mass % in the total mass of the wire, 1.5-2.5% Mn, 0.10-1.00% SiO
2 , 0.5-3.0% Ni, 0.10-0.50% Ti, and 0.004-0.020% B.
COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2010115701A High strength weld metal with excellent low-temperature toughness 审中-公开
标题翻译：高强度焊接金属，具有优异的低温韧性
公开(公告)号：JP2010115701A
公开(公告)日：2010-05-27
申请号：JP2008292542
申请日：2008-11-14
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： OKAZAKI YOSHIOMI , ISHIDA HITOSHI , HIDAKA TAKESHI
IPC分类号： B23K35/30 , B23K9/23 , B23K35/368 , B23K103/04
CPC分类号： B23K35/30 , B23K35/368 , C21D2211/002 , C21D2211/004
摘要： PROBLEM TO BE SOLVED: To provide a weld metal which is formed by gas shield arc welding using flux-cored wire and has a strength of 700 MPa or more and shows an excellent low-temperature toughness at -60°C level.
SOLUTION: The high strength weld metal with excellent low-temperature toughness is formed by the gas shield arc welding using flux-cored wire. The weld metal contains, by mass%, 0.02-0.12% C, 0.1-1.0% Si, 0.5-3.0% Mn, 0.002-0.03% Al, 0.5-3.5% Ni, 0.005-0.20% Ti, 0.03-0.08% O respectively and restricts N content to 0.01% or less. When a cross section of the weld metal is observed by an electron microscope, oxide particles with the maximum diameter of ≥0.1 μm and 3 to 500×10
3 pieces per 1 mm
2 of field of view; 80% or more of oxide particles by piece fraction out of oxide particles with the maximum diameter of ≥0.1 μm and 2 of field of view; and the sizes of bainite structure observed in the cross section of the weld metal are not more than 2.0 μm in an average.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种焊接金属，其通过使用药芯焊丝的气体保护电弧焊而形成，并且具有700MPa以上的强度，并且在-60℃水平下显示出优异的低温韧性。解决方案：通过使用药芯焊丝的气体保护电弧焊，形成具有优异的低温韧性的高强度焊接金属。焊接金属以质量％计含有0.02-0.12％C，0.1-1.0％Si，0.5-3.0％Mn，0.002-0.03％Al，0.5-3.5％Ni，0.005-0.20％Ti，0.03-0.08％O 并将N含量限制在0.01％以下。当通过电子显微镜观察焊缝金属的横截面时，观察到最大直径≥0.1μm和<1μm的氧化物颗粒的量为10×10 3 至500×10 3 每1 mm 2 的视野; 最大直径≥0.1μm的氧化物颗粒中的一部分氧化物颗粒的80％或更多，<1μm包括含有Ti和/或含有Si的无定形氧化物的结晶氧化物; 最大直径≥1μm的氧化物颗粒被控制为每1mm 2 视场不超过150个; 并且在焊接金属的横截面中观察到的贝氏体结构的尺寸平均不大于2.0μm。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2010110817A Low-hydrogen coated electrode 审中-公开
标题翻译：低氢涂层电极
公开(公告)号：JP2010110817A
公开(公告)日：2010-05-20
申请号：JP2009158895
申请日：2009-07-03
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： HIDAKA TAKESHI
IPC分类号： B23K35/365 , B23K35/30
CPC分类号： B23K35/22 , B23K35/0255 , B23K35/0266 , B23K35/226 , B23K35/3053 , B23K35/3602 , B23K35/365
摘要： PROBLEM TO BE SOLVED: To provide a low-hydrogen coated electrode which can obtain a weld metal having excellent cracking resistance and low-temperature toughness in welding of a high-tensile steel with a yield strength of 690 MPa class or more, and which ensures good weldability in all position welding.
SOLUTION: In the low-hydrogen coated electrode, a coating ratio is 25 to 45%. A steel core wire contains 0.06% by mass or less of C relative to the total mass of the steel core wire. The coating flux contains, relative to the total mass of the coating flux, 14.7 to 22.4% by mass of metal carbonate (in terms of CO
2 ), 13.1 to 24.8% by mass of CaF
2 , 0 to 8% by mass of TiO
2 , 0 to 8% by mass of ZrO
2 , 1.1 to 3.0% by mass of SiO
2 , 0 to 0.8% by mass of Al
2 O
3 , 0.01 to 0.05% by mass of C, 2.5 to 6.0% by mass of Si, 2.2 to 8.0% by mass of Mn, 1.8 to 7.0% by mass of Ni, and 0.2 to 3.7% by mass of Cr+Mo. Where following formula is satisfied: D=8.42-0.18×CO
2 +0.05×CaF
2 +0.50×TiO
2 -1.36×SiO
2 -4.36×Al
2 O
3 +0.71×ZrO
2 ≤3.8.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题的方案为了提供一种低屈服强度为690MPa以上的高强度钢的焊接中具有优异的耐龟裂性和低温韧性的焊接金属的低氢喷涂电极，并确保在所有位置焊接中良好的焊接性。
解决方案：在低氢涂覆电极中，涂层比为25〜45％。钢芯线相对于钢芯线的总质量含有0.06质量％以下的C。相对于涂层焊剂的总质量，涂层焊剂含有14.7〜22.4质量％的金属碳酸盐（以CO 2 计），13.1〜24.8质量％的CaF SB 2 ，0〜8质量％的TiO 2 SB 2，SBO 2 0〜8质量％，SiO 2 ，0〜0.8质量％的Al 2 O 3，SB = 0.01〜0.05质量％，Si：2.5〜6.0质量％，2.2〜8.0质量％的Mn，1.8〜7.0质量％的Ni和0.2〜3.7质量％的Cr + Mo。其中满足以下公式：D = 8.42-0.18×CO 2 + 0.05×CaF 2 ±0.50×TiO 2 SBS 2 SB> 2 -4.36×铝 2 0 3 + 0.71×的ZrO 2 ≤3.8。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009018337A Flux cored wire for gas-shielded arc welding 审中-公开
标题翻译：用于气体电弧焊的通丝线
公开(公告)号：JP2009018337A
公开(公告)日：2009-01-29
申请号：JP2007184878
申请日：2007-07-13
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： ISHIDA HITOSHI , HIDAKA TAKESHI , SUENAGA KAZUYUKI , OKAZAKI YOSHIOMI
IPC分类号： B23K35/368 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a flux cored wire for gas-shielded arc welding capable of materializing a weld metal capable of ensuring the strength of ≥600 MPa at 0.2% proof stress (σ
0.2 ) and the V-Charpy impact value vE
-60 of ≥30J at -60°C, excellent in welding workability and optimum for a welding material of high-tensile steel.
SOLUTION: In the flux cored wire for gas-shielded arc welding in which flux mainly consisting of TiO
2 flux is filled in a steel shell, Mg of ≥0.01% by mass to the total mass of the wire is contained, the slug formed during the welding is TiO
2 -Al
2 O
3 -MgO slug. The composition of the slug is, by mass to the total mass of the slug, ≥50% TiO
2 , 1.0-25% Al
2 O
3 , and 8-30% MgO.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于气体保护电弧焊的药芯焊丝，其能够实现能够在0.2％屈服应力下确保≥600MPa的强度的焊缝金属（σ 0.2 ）和-60℃下的≥30J的V-Charpy冲击值vE -60 ，焊接加工性好，高强度钢焊接材料最佳。
解决方案：在用于气体保护电弧焊的药芯焊丝中，主要由TiO 2 焊剂组成的焊剂填充在钢壳中，相对于总质量为≥0.01质量％的Mg 的焊丝时，在焊接过程中形成的焊料是TiO 2 -SiM 2 O 3。团块的组成与质量相当于团块的总质量，≥50％的TiO 2 SBB，2〜25％的Al 2 O 3 / SB>和8-30％MgO。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008149341A Flux cored wire for gas-shielded arc welding 有权
标题翻译：用于气体电弧焊的通丝线
公开(公告)号：JP2008149341A
公开(公告)日：2008-07-03
申请号：JP2006338941
申请日：2006-12-15
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： ISHIDA HITOSHI , HIDAKA TAKESHI , SUENAGA KAZUYUKI , OKAZAKI YOSHIOMI
IPC分类号： B23K35/368 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a flux cored wire for gas-shielded arc welding, a flux cored wire that can obtain a weld metal which secures a strength of ≥620 MPa at 0.2% proof stress (σ
0.2 ) and a V Charpy impact value vE
-60 of ≥50J at -60°C and that is most suitable as a welding material of high tensile steel.
SOLUTION: The flux cored wire for gas-shielded arc welding contains, by mass% to the total mass of the wire, 0.02-0.15% C, 0.3-1.4% Si, 1.2-3.5% Mn, 0.2-3.4% Ni, 0.02-2.0% Cr, 2.0-6.0% Ti, 0.1-2.2% Mo, and 0.01-1.0% Mg. The TiO
2 content [TiO
2 ] and MgO content [MgO] in the flux satisfies the relation of expression (1): [TiO
2 ]/[MgO]≥4.7, provided that [TiO
2 ] and [MgO] are each the content (mass% to the total mass of the wire) of TiO
2 and MgO contained in the flux.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于气体保护电弧焊的药芯焊丝，可以获得在0.2％屈服应力（σ 0.2）下确保≥620MPa的强度的焊接金属的药芯焊丝），在-60°C时，V Charpy冲击值vE -60 ≥50J，最适合作为高强度钢的焊接材料。
解决方案：用于气体保护电弧焊的药芯焊丝以质量％计，焊丝总质量为0.02-0.15％，Si为0.3-1.4％，Mn为1.2-3.5％，Mn为0.2-3.4％ Ni，0.02-2.0％Cr，2.0-6.0％Ti，0.1-2.2％Mo和0.01-1.0％Mg。助熔剂中的TiO 2 / SB 2含量[TiO 2 SB] 2和MgO含量[MgO]满足表达式（1）的关系：[TiO 2 SB <2 / ] / [MgO]≥4.7，条件是TiO 2 2 的含量（导线总质量％）为[TiO 2 ]和[MgO] 和包含在焊剂中的MgO。版权所有（C）2008，JPO＆INPIT

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