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1. 发明专利

JP2011005531A Flux-cored welding wire for high-tensile steel and method for manufacturing the same 有权
标题翻译：用于高拉力钢的熔丝焊丝及其制造方法
公开(公告)号：JP2011005531A
公开(公告)日：2011-01-13
申请号：JP2009152956
申请日：2009-06-26
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NAKAMURA SHUICHI , HASEGAWA TOSHINAGA , SHIMURA RYUICHI
IPC分类号： B23K35/368 , B23K35/30 , B23K35/40
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored welding wire for high-tensile steel which can be generally used even for high-tensile steel having the tensile strength of ≥950 MPa, and a method for manufacturing the flux-cored welding wire.SOLUTION: The flux-cored wire includes a steel shell and flux which contains at least metal or alloy and is filled in the steel shell. The flux-cored wire contains, by mass to the total mass of the wire, 0.04-0.30% C, 0.2-2.0% Si, 0.3-2.5% Mn, ≤0.02% P, ≤0.02% S, 0.002-0.05% Al, 1.0-12% Ni, 0.01-2.0% Mg, and the balance iron with inevitable impurities, wherein the carbon equivalent (Ceq) is 0.25-1.2%, the average particle size of the flux to be filled in the flux-cored wire is 30-300 μm, and the steel shell has no slit-like joint with the risk of ingress of outside air.
摘要翻译：要解决的问题：提供一种通常用于高拉伸强度≥950MPa的高张力钢的高强度钢的药芯焊丝，以及用于制造药芯焊丝的方法。解决方案：药芯焊丝包括钢壳和至少含有金属或合金并填充在钢壳中的焊剂。药芯焊丝的质量相对于焊丝的总质量为0.04-0.30％C，0.2-2.0％Si，0.3-2.5％Mn，≤0.02％P，≤0.02％S，0.002-0.05％Al ，1.0-12％Ni，0.01-2.0％Mg，剩余铁与不可避免的杂质，其中碳当量（Ceq）为0.25-1.2％，待填充在药芯焊丝中的焊剂的平均粒径为30-300μm，钢壳不具有狭缝状接头，具有外部空气进入的风险。

2. 发明专利

JP2008093715A High yield strength and high toughness flux-cored wire for gas-shielded arc welding 有权
标题翻译：高强度焊接强度和高韧性通用焊丝
公开(公告)号：JP2008093715A
公开(公告)日：2008-04-24
申请号：JP2006279758
申请日：2006-10-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HASEGAWA TOSHINAGA , OKITA SHIGERU , KIMOTO ISAMU , SHIMURA RYUICHI , OMURA DAISUKE
IPC分类号： B23K35/30 , B23K35/368 , B23K35/40
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored wire for gas-shielded arc welding, which is used for welding a high tension steel plate having tensile strength in the class of ≥950 MPa. SOLUTION: A flux-cored wire for gas-shielded arc welding that has high yield strength and high toughness contains, in a steel-made shell and a flux, as metal or alloy, in terms of total mass% based on the entire mass of the wire, 0.08-0.3% C, 0.2-2% Si, 0.5-2.5% Mn, ≤0.02% P, ≤0.01% S, 0.002-0.3% Al, 0.005-0.3% Ti, 0.5-11% Ni, 0.012-0.5% Mg, and one or more elements of 0.1-4% Mo, 0.1-3% W, 0.005-0.1% Nb, 0.005-0.5% V, and 0.005-0.5% Ta. Further, each of elements that affects hardenability, precipitation strengthening, and deoxidation is controlled by parameters. COPYRIGHT: (C)2008,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，其用于焊接具有等级≥950MPa的拉伸强度的高张力钢板。解决方案：具有高屈服强度和高韧性的气体保护电弧焊用药芯焊丝在钢制外壳和焊剂中作为金属或合金，以总质量％计线材的整个质量分别为0.08-0.3％C，0.2-2％Si，0.5-2.5％Mn，≤0.02％P，≤0.01％S，0.002-0.3％Al，0.005-0.3％Ti，0.5-11％ Ni，0.012-0.5％Mg，以及一种或多种0.1-4％Mo，0.1-3％W，0.005-0.1％Nb，0.005-0.5％V和0.005-0.5％Ta的元素。此外，通过参数控制影响淬透性，析出强化和脱氧的各元素。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2009255169A Flux-cored wire for extra-low hydrogen welding, and method for producing the same 有权
标题翻译：用于超低氢焊接的通丝线及其制造方法
公开(公告)号：JP2009255169A
公开(公告)日：2009-11-05
申请号：JP2009049398
申请日：2009-03-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KOJIMA KAZUHIRO , HASEGAWA TOSHINAGA , SHIMURA RYUICHI , KASUYA TADASHI
IPC分类号： B23K35/368 , B23K35/30 , B23K35/40
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored wire for extra-low hydrogen welding, which achieves the welding of high tensile strength steel having tensile strength in a class of ≥690 MPa under a satisfactory welding operation, and to provide a method for producing the same. SOLUTION: Disclosed is a flux-cored wire for extra-low hydrogen welding obtained by filling flux into an outer skin made of steel, which has a composition comprising, by mass% to the total mass of the wire, 0.04 to 0.20% C, 0.1 to 1.5% Si and 0.6 to 2.5% Mn, comprising one or more kinds selected from Mg, Ca, Al, Zr and rare earth metals by 0.01 to 2.00% in total, and the balance iron with inevitable impurities, and in which the value of PTS=C+Si/24+Mn/6+Cu/15+Ni/15+Cr/5+Mo/5+V/5(%) is 0.36 to 1.0 mass% to the whole wire, the total hydrogen content in the wire is ≤6.0 ppm by the mass ratio of the whole wire, and the outer skin made of steel has no slit-shaped joints having the risk of air infiltration. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于超低氢焊接的药芯焊丝，其在令人满意的焊接操作下实现具有≥690MPa级的拉伸强度的高抗拉强度钢的焊接，并提供其制造方法。解决方案：公开了一种用于超低氢焊接的药芯焊丝，其通过将焊剂填充到由钢制成的外皮中而获得，该组合物的组成包括质量％至电线总质量的0.04至0.20 ％C，0.1〜1.5％Si，0.6〜2.5％Mn，含有选自Mg，Ca，Al，Zr和稀土金属中的一种以上，总计0.01〜2.00％，余量为铁与不可避免的杂质，其中PTS = C + Si / 24 + Mn / 6 + Cu / 15 + Ni / 15 + Cr / 5 + Mo / 5 + V / 5（％）的值相对于整个线为0.36〜1.0质量％通过整个线材的质量比，导线中的总氢含量≤6.0ppm，由钢制成的外皮没有空隙渗入的狭缝状接头。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2011255385A Flux-cored wire for carbon dioxide gas-shielded arc welding for high-tensile steel 有权
标题翻译：二氧化碳气体保护焊丝用于高强度钢的焊丝
公开(公告)号：JP2011255385A
公开(公告)日：2011-12-22
申请号：JP2010129231
申请日：2010-06-04
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NAKAMURA SHUICHI , KOJIMA KAZUHIRO , TOTSUKA YASUJI , SHIMURA RYUICHI
IPC分类号： B23K35/368 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored wire for carbon dioxide gas-shielded arc welding for a high-tensile steel, used for welding a high-tensile steel having ≥690 MPa of strength using 100% carbon dioxide gas as a shielding gas, obtaining superior welding workability and obtaining a weld metal having excellent mechanical capability.SOLUTION: The wire contains, by mass% to the total mass of the wire, 0.03-0.10% C, 0.1-0.4% Si, 2.0-4.0% Mn, 1.0-3.5% Ni, 0.06-1.5% Al, 0.10-1.00% Mo, contains one or more kinds of 0.1-1.0% Cr, 0.01-0.05% Nb and 0.01-0.05 V, and contains 2.5-7.5% TiO, 0.1-0.5% SiO, 0.2-0.9% ZrO, 0.1-0.4% AlOand 0.01-0.4% one or more kinds of fluorine compound in total in terms of F value. In the wire, the total hydrogen amount of the wire is ≤15 ppm by mass ratio to the entire wire.
摘要翻译：要解决的问题：为了提供用于高张力钢的二氧化碳气体保护电弧焊的药芯焊丝，用于使用100％二氧化碳气体焊接具有≥690MPa强度的高强度钢作为保护气体，获得优异的焊接加工性，并获得具有优异的机械性能的焊接金属。解决方案：电线的质量％以质量％计含有0.03-0.10％C，0.1-0.4％Si，2.0-4.0％Mn，1.0-3.5％Ni，0.06-1.5％Al， 0.10-1.00％Mo，含有0.1-1.0％的Cr，0.01-0.05％的Nb和0.01-0.05V的一种或多种，并含有2.5-7.5％的TiO 2 SB SB =“POST”> 2 0.1-0.5％SiO 2 ，0.2-0.9％ZrO 2 ，0.1-0.4％Al 2 O 3 和0.01-0.4％的氟化合物总计为F值。在导线中，导线的总氢量相对于整个导线的质量比为≤15ppm。版权所有（C）2012，JPO＆INPIT

5. 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

6. 发明专利

JP2009255168A Flux-cored wire for welding high-strength steel, and its manufacturing method 有权
标题翻译：焊接高强度钢的焊丝及其制造方法
公开(公告)号：JP2009255168A
公开(公告)日：2009-11-05
申请号：JP2009048486
申请日：2009-03-02
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SHIMURA RYUICHI , HASEGAWA TOSHINAGA , KOJIMA KAZUHIRO , KASUYA TADASHI
IPC分类号： B23K35/368 , B23K35/30 , B23K35/40
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored wire for welding high-strength steel capable of executing the highly efficient all-position welding, and having excellent crack resistance with the proof stress of ≥690 MPa, and to provide its manufacturing method.
SOLUTION: The flux-cored wire for welding high-strength steel with a flux filled in a steel-made skin contains, by mass% based on overall wire mass, 0.03-0.10% C, 0.25-0.7% Si, 1.0-3.0% Mn, 1.0-3.5% Ni, and 0.001-0.015% B, while Cr is limited to ≤0.05%, and Al is limited to ≤0.05%, the flux contains 2.5-7.5% TiO
2 , 0.1-0.5% SiO
2 , 0.2-0.9% ZrO
2 , and 0.1-0.4% Al
2 O
3 , and the balance Fe, arc stabilizer and inevitable impurities, and the total amount of hydrogen of the wire is ≤15 ppm.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于焊接能够执行高效全位置焊接的高强度钢的药芯焊丝，并且具有优异的抗裂性，并且提供其抗渗强度≥690MPa的抗裂强度制造方法。解决方案：用于焊接填充在钢制皮肤中的焊剂的高强度钢的药芯焊丝以质量％为基准，以总丝线质量计含有0.03-0.10％C，0.25-0.7％Si，1.0 -3.0％Mn，1.0-3.5％Ni和0.001-0.015％B，而Cr限制在≤0.05％，Al限制在≤0.05％，焊剂含有2.5-7.5％的TiO 2， SB>，0.1-0.5％SiO 2 ，0.2-0.9％ZrO 2 SB 2和0.1-0.4％Al 2 SB 3 ，余量为Fe，电弧稳定剂和不可避免的杂质，导线的总氢量≤15ppm。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009018316A Flux-cored welding wire for gas shielded arc welding of fire-resistant steel 有权
标题翻译：耐火钢焊接电弧焊焊丝焊丝
公开(公告)号：JP2009018316A
公开(公告)日：2009-01-29
申请号：JP2007180941
申请日：2007-07-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HASEGAWA TOSHINAGA , OKITA SHIGERU , SHIMURA RYUICHI
IPC分类号： B23K35/368 , B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored welding wire for gas shielded arc welding which is used for welding a steel for fireproof construction which is excellent in fire resistance at 700 to 800°C. SOLUTION: The welding wire includes, by mass%, 0.002 to 0.2% C, 0.005 to 1% Si, 0.1 to 2.5% Mn, and predetermined amounts of P, S, Al, N with respect to the whole wire. The wire further includes predetermined amounts of one or more elements of Mo, W, Nb, V, Ta, Ti, wherein a Nb equivalent is 0.05 to 0.2%, and includes remainder being Fe and inevitable impurities. A steel outer skin includes 0.002 to 0.2% C, 0.005 to 1% Si, 0.1 to 2.5% Mn, and predetermined amounts of P, S, Al, N, Mo, W, Nb, V, Ta, Ti as the whole outer skin. Filler flux includes predetermined amounts of CaF 2 , TiO 2 , SiO 2 , ZrO 2 , Al 2 O 3 , which are 0.5 to 20% in total, as the whole wire, and remainder being metal powder and inevitable impurities. 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，其用于焊接耐火性在700至800℃的耐火结构的钢。＆lt; P＆gt;解决方案：焊丝相对于整个线材以质量％计含有0.002至0.2％的C，0.005至1％的Si，0.1至2.5％的Mn和预定量的P，S，Al，N。该线还包含预定量的Mo，W，Nb，V，Ta，Ti中的一种或多种元素，其中Nb当量为0.05至0.2％，并且包括余量为Fe和不可避免的杂质。钢外皮包括0.002至0.2％的C，0.005至1％的Si，0.1至2.5％的Mn，以及预定量的P，S，Al，N，Mo，W，Nb，V，Ta，Ti作为整个外部皮肤。填料通量包括预定量的CaF 2 SB SB，SiO 2 SB，SiO 2，SB SB，SiO 2，总共为0.5〜20％，余量为金属粉末和不可避免的杂质。版权所有（C）2009，JPO＆INPIT

8. 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

9. 发明专利

JP2010274304A Flux-cored wire for high-tensile strength steel 有权
标题翻译：用于高强度钢的通用钢丝
公开(公告)号：JP2010274304A
公开(公告)日：2010-12-09
申请号：JP2009129301
申请日：2009-05-28
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HASEGAWA TOSHINAGA , NAKAMURA SHUICHI , SHIMURA RYUICHI , TOTSUKA YASUJI
IPC分类号： B23K35/368
摘要： PROBLEM TO BE SOLVED: To provide a flux-cored wire for welding a high-tensile strength steel with a proof stress of ≥690 MPa which can perform high efficiency welding in all postures, and also has excellent low temperature toughness and crack resistance. SOLUTION: The flux-cored wire comprises, by mass% to the total mass of the wire, 0.03 to 0.10% C, 0.1 to 0.4% Si, 1.0 to 3.0% Mn, 1.0 to 3.5% Ni and 0.06 to 1.5% Al, comprises one or more selected from 0.1 to 1.0% Cr, 0.1 to 1.0% Mo, 0.01 to 0.05% Nb and 0.01 to 0.05% V, also comprises, in flux, 2.5 to 7.5% TiO 2 , 0.1 to 0.5% SiO 2 , 0.2 to 0.9% ZrO 2 , 0.1 to 0.4% Al 2 O 3 and one or more fluorine compounds by 0.01 to 0.4% in total by a value expressed in terms of F, and the balance Fe, an arc stabilizer and inevitable impurities, and in which the total hydrogen content in the wire is ≤15 ppm. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于焊接具有≥690MPa的抗张强度的高强度钢的药芯焊丝，其可以在所有姿态下进行高效焊接，并且还具有优异的低温韧性和裂纹抵抗性。解决方案：药芯焊丝以质量％计，焊丝总质量为0.03〜0.10％C，0.1〜0.4％Si，1.0〜3.0％Mn，1.0〜3.5％Ni，0.06〜1.5 ％Al包含选自0.1至1.0％的Cr，0.1至1.0％的Mo，0.01至0.05％的Nb和0.01至0.05％V中的一种或多种，还包含2.5至7.5％的TiO 2 SB 2， SB> 0.1〜0.5％SiO 2 SB 0.2〜0.9％，SiO 2 0.2〜0.9％，SiO 2 0.1〜0.4％ / SB>和一种或多种氟化合物，以F表示的值总计为0.01至0.4％，余量为Fe，电弧稳定剂和不可避免的杂质，其中线中总氢含量≤15 PPM。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2001321946A GAS SHIELDED ARC WELDING METHOD FOR STEEL SHEET 失效
公开(公告)号：JP2001321946A
公开(公告)日：2001-11-20
申请号：JP2000145594
申请日：2000-05-17
申请人： NIPPON STEEL CORP
发明人： SHIMURA RYUICHI , AOKI TOSHIO , KIMOTO ISAMU , OIKAWA HATSUHIKO
IPC分类号： B23K9/173 , B23K9/23 , B23K35/30 , C22C38/00 , C22C38/04
摘要： PROBLEM TO BE SOLVED: To provide a welding method with which burn through does not generate in a weld zone and satisfactory weld beads can be obtained even when a gap of the weld zone is large in the welding of a sheet of 0.5 to 1.2 mm thickness. SOLUTION: This gas shielded arc welding method is characterized in that in the gas shielded arc welding of the sheet of 0.5 to 1.2 mm thickness, a wire diameter is 0.5 to 0.9 mm, a wire containing 0.02 to 0.10% C, 0.7 to 2.0% Si, 0.5 to 3.0% Mn,

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