公开(公告)号：KR20180031047A

公开(公告)日：2018-03-27

申请号：KR20187006625

申请日：2016-11-24

Applicant: JFE STEEL CORP

Inventor： HAYAKAWA NAOYA ,  OI KENJI ,  KOZUKI SHOHEI

IPC: B23K9/173 ,  B23K33/00 ,  B23K35/30

CPC classification number: B23K9/16 ,  B23K9/173 ,  B23K33/00 ,  B23K35/30

Abstract: 초층용접조건, 특히용접토치각도나용접입열량, 위빙조건을적정하게제어하여, 초층용접에있어서의접합깊이를 20 ㎜이상 65 ㎜이하로함과함께, 최종층용접시에, 후강재에용접토치측으로부터후강재의개선의커버링재로서상진방향으로슬라이딩이동이가능한냉각판을대고, 용접토치상진이동에맞춰냉각판을상진이동시키면서용접을실시한다.

Abstract translation: 在本发明中，适当地控制初始层焊接条件，特别是焊炬角度，焊接热量输入和编织标准，以在初始层焊中实现20-65mm的焊接深度，并且在最终层焊接中， 在从焊炬侧向厚壁钢材上推压能够向上滑动的冷却板的同时进行焊接，作为厚钢材之间的间隙的覆盖材料，并且使焊炬向上移动而向上移动冷却板。

公开(公告)号：KR20180021893A

公开(公告)日：2018-03-05

申请号：KR20187003061

申请日：2016-09-07

Applicant: JFE STEEL CORP

Inventor： KATAOKA TOKIHIKO ,  HAYAKAWA NAOYA ,  OI KENJI

IPC: B23K9/173 ,  B23K33/00

CPC classification number: B23K9/173 ,  B23K33/00 ,  B23K35/30

Abstract: 소정의개선조건으로서, 판두께: 10㎜이상 2매의후강재(1)를, 위빙을이용하는일층용접또는다층용접에의해접합하는수직방향협개선가스실드아크용접방법에있어서, 굽힘부와이 굽힘부에의해획정되는선단부를구비하는용접토치(4)를이용하여, 초증용접위빙을행하는것으로하고, 그때, 후강재의개선면(2)에대한위빙시에, 소정의조건에서용접토치의선단부를후강재의개선면을향하게하여요동시킨다.

Abstract translation: 在通过单层焊接或者使用编织的多层焊接将作为规定的槽状态的板厚10mm以上的两种厚钢材（1）进行纵向窄槽气体保护电弧焊接的方法中， 使用具有弯曲部分和由弯曲部分限定的尖端部分的焊炬（4）进行单层焊接，其中，在对厚钢材的凹槽表面（2）进行编织时， 焊炬在预定条件下朝向厚钢材的凹槽表面摆动。

公开(公告)号：KR20180031046A

公开(公告)日：2018-03-27

申请号：KR20187006624

申请日：2016-11-25

Applicant: JFE STEEL CORP

Inventor： KOZUKI SHOHEI ,  HAYAKAWA NAOYA ,  OI KENJI

IPC: B23K9/02 ,  B23K9/173 ,  B23K33/00 ,  B23K35/30

CPC classification number: B23K9/02 ,  B23K9/173 ,  B23K33/00 ,  B23K35/30

Abstract: 용접와이어로서, REM 을 0.015 ∼ 0.100 질량% 함유하고, 또한 Se 및 Te 중에서선택한 1 종또는 2 종을합계로 0.005 ∼ 0.100 질량% 함유하는용접와이어를사용하여, 초층용접조건, 특히용접토치각도나용접입열량모두, 위빙조건을적정하게제어한다.

Abstract translation: 作为焊丝，优选含有总量为0.005〜0.100质量％的REM和0.015〜0.100质量％的选自Se和Te中的1种或2种的焊丝， 焊接热输入和编织条件都得到适当控制。

公开(公告)号：WO2014024365A8

公开(公告)日：2014-10-16

申请号：PCT/JP2013003307

申请日：2013-05-24

Applicant: JFE STEEL CORP

Inventor： KOZUKI SHOHEI ,  ISHIGAMI ATSUSHI ,  HAYAKAWA NAOYA

IPC: B23K9/18

CPC classification number: B23K33/004 ,  B23K9/18

Abstract: A welding method for welding the upper surface side of a steel plate after welding the lower surface side thereof when butt welding is performed in submerged arc welding, wherein an angle (&thetas;1) which an upper surface side boundary straight line that connects a meeting point at which a fusion boundary line of a lower surface side weld metal and a fusion boundary line of an upper surface side weld metal intersect, and a first intersection point at which a first parallel line that passes a position at a distance of 5 mm from the meeting point toward the upper surface of the steel plate and is parallel to the upper surface and the fusion boundary line of the upper surface side weld metal intersect forms with a line perpendicular to the first parallel line is set to 15° or more, an angle (&thetas;2) which a lower surface side boundary straight line that connects the meeting point and a second intersection point at which a second parallel line that passes a position at a distance of 5 mm from the meeting point toward the lower surface of the steel plate and is parallel to the lower surface and the fusion boundary line of the lower surface side weld metal intersect forms with a line perpendicular to the second parallel line is set to 15° or more, and the total heat input (Q (kJ/cm)) of welding heat input on the lower surface side of the steel plate and welding heat input on the upper surface side thereof satisfies the relationship of Q≤1.3×t1.37 with the thickness (t (mm)) of the steel plate, thereby making it possible to stably obtain a weld heat-affected zone with high toughness.

Abstract translation: 一种焊接方法，其特征在于，在埋弧焊中进行对接焊接时，焊接其下表面侧的钢板的上表面侧，其中，连接会议的上表面侧边界直线的角度 下表面侧焊接金属的融合边界线与上表面侧焊接金属的熔融边界线相交的点，以及第一交点，第一相交点通过距离 与钢板的上表面接合并且平行于上表面，并且与垂直于第一平行线的线形成的上表面侧焊接金属的熔合边界线被设定为15°以上， 连接会议点的下表面侧边界直线和通过距离为5的位置的第二平行线的第二交点的角度（θ; 2） mm，并且平行于下表面，并且与垂直于第二平行线的线形成的下表面侧焊接金属相交形状的熔融边界线被设定为15°以上 ，并且在钢板的下表面侧输入的焊接热输入和上表面侧的焊接热输入的总热输入（Q（kJ / cm））满足Q≤1.3×t1.37与 厚度（t（mm）），从而能够稳定地获得高韧性的焊接热影响区域。

公开(公告)号：WO2016002171A8

公开(公告)日：2016-12-01

申请号：PCT/JP2015003203

申请日：2015-06-25

Applicant: JFE STEEL CORP

Inventor： KOZUKI SHOHEI ,  HAYAKAWA NAOYA ,  OI KENJI

IPC: B23K28/02 ,  B23K9/18 ,  B23K26/21 ,  C22C38/00 ,  C22C38/14

CPC classification number: B23K9/18 ,  B23K26/21 ,  B23K28/02 ,  C22C38/00 ,  C22C38/14

Abstract: A method of butt welding steel plates, said method comprising: butting two steel plates (1) and forming a Y-shaped groove provided with an opening (2) in the upper part and a root face (3) in the lower part; welding the opening (2) of the Y-shaped groove by submerged arc welding to form a submerged arc welded metal (4) which contains 0.030-0.100 mass% of Ti and 0.0030-0.0080 mass% of B and in which the ratio [%Al]/[%O] [wherein [%Al] stands for the content (mass%) of Al and [%O] stands for the content (mass%) of O] is in the range of 0.5-1.2; and then welding the root face (3) of the Y-shaped groove by laser welding to form a laser welded metal (5) so that said laser welded metal (5) intrudes into said submerged arc welded metal (4).

Abstract translation: 一种对接钢板的方法，所述方法包括：对接两个钢板（1）并在上部形成设置有开口（2）的Y形槽和下部的根面（3）; 通过埋弧焊将Y形槽的开口（2）焊接形成含有0.030-0.100质量％的Ti和0.0030-0.0080质量％的B的埋弧焊接金属（4），其中[％ Al] / [％O] [其中[％Al]表示Al的含量（质量％），[％O]表示O]的含量（质量％）在0.5-1.2的范围内; 然后通过激光焊接焊接Y形槽的根面（3），形成激光焊接金属（5），使得所述激光焊接金属（5）侵入所述埋弧焊接金属（4）。

公开(公告)号：WO2015159545A8

公开(公告)日：2016-10-20

申请号：PCT/JP2015002088

申请日：2015-04-15

Applicant: JFE STEEL CORP

Inventor： HAYAKAWA NAOYA ,  TAMURA YUKUYA ,  MORIMOTO YUTA

IPC: B23K9/173 ,  B21C37/08 ,  B23K9/025 ,  B23K9/235

CPC classification number: B21C37/08 ,  B23K9/0253 ,  B23K9/0325 ,  B23K9/173 ,  B23K9/235 ,  B23K2201/06

Abstract: Provided is a tack welding method whereby, when welding large-diameter welded steel pipes or tubes, welding speed can be increased and humping beads, burn through, and incomplete fusion can be avoided. In this tack welding method: tack welding is continuously performed on an edge section (1a) of an open pipe (1) during a large-diameter welded pipe production process; and gas-metal arc welding is performed whereby the distance between an outer surface of the edge section (1a) and a lower tip of a contact tip (2) is at least 25 mm and a welding current of at least 1,000 A is supplied to a solid wire (3) having a wire diameter of at least 4.8 mm that is attached to the contact tip (2) and used as the welding wire.

Abstract translation: 提供一种定位焊接方法，当焊接大直径焊接钢管或管时，可以提高焊接速度，并且可以避免凸起珠，烧穿和不完全熔合。 在这种定位焊接方法中：在大直径焊接管生产过程中，在开放管（1）的边缘部分（1a）上连续进行定位焊接; 进行气体金属电弧焊接，由此边缘部分（1a）的外表面与接触尖端（2）的下端之间的距离至少为25mm，并且至少提供至少1000A的焊接电流 具有至少4.8mm的线直径的实线（3），其连接到接触尖端（2）并用作焊丝。

公开(公告)号：BRPI1009206A2

公开(公告)日：2016-07-12

申请号：BRPI1009206

申请日：2010-02-25

Applicant: JFE STEEL CORP

Inventor： ISHIGAMI ATSUSHI ,  OI KENJI ,  SHIMADA KENJI ,  ODAKA MASAHIRO ,  HAYAKAWA NAOYA

IPC: B23K9/09 ,  B23K9/16 ,  B23K9/173 ,  B23K9/18 ,  B23K103/04

公开(公告)号：PH12021550373A1

公开(公告)日：2021-11-08

申请号：PH12021550373

申请日：2021-02-22

Applicant: JFE STEEL CORP ,  KOBE STEEL LTD

Inventor： TAKADA ATSUSHI ,  IZUMI DAICHI ,  ARAO RYO ,  KOZUKI SHOHEI ,  UEDA KEIJI ,  HAYAKAWA NAOYA ,  YAMASHITA KEN ,  HAN PENG

IPC: B23K35/30

Abstract: The present invention provides a solid wire that is for gas metal arc welding, that generates less fumes during welding, and that is suitable as a welding material for a high-Mn steel material. The solid wire for gas metal arc welding according to the present invention has a composition containing, in mass pcnt , 0.2-0.8 pcnt of C, 0.15-0.90 pcnt of Si, 17.0-28.0 pcnt of Mn, 0.03 pcnt or less of P, 0.03 pcnt or less of S, 0.01-10.00 pcnt of Ni, 0.4-4.0 pcnt of Cr, 0.01-3.50 pcnt of Mo, 0.0010 pcnt or less of B, and 0.12 pcnt or less of N, by mass, the remaining portion being Fe and unavoidable impurities. The solid wire optionally contains, as necessary, one or more selected from V, Ti, and Nb, and one or more selected from Cu, Al, Ca, and REM.

公开(公告)号：RU2706993C1

公开(公告)日：2019-11-21

申请号：RU2018129950

申请日：2017-02-07

Applicant: JFE STEEL CORP

Inventor： ISHIGAMI ATSUSHI ,  HAYAKAWA NAOYA

IPC: B23K9/18

Abstract: Изобретениеможетбытьиспользованодлямногоэлектроднойэлектродуговойсваркиподфлюсомвстыкстальныхлистовтолщиной 15-45 мм. Последовательнорасполагаютмножествосварочныхэлектродовв линиюв направлениисварки. Заданнымобразомустанавливаютрасстояниемеждуэлектродами, плотностьтокаи углынаклонаэлектродов. Первыйэлектродрасполагаютперпендикулярнопоотношениюк стальномулистуилис наклономприразмещенииегоконцазанаконечникомэлектродав направлениисварки. Кпервомуэлектродуподаютпостоянныйток, ак каждомуизпоследующих - переменныйток. Способобеспечиваетстабильнуюэлектрическуюдугусоответствующихэлектродовс получениемваликовсварногошвас хорошейформойзасчетподавлениявредногомагнитноговоздействия, атакжепозволяетувеличитьскоростьсваркии предотвращаетпоявлениесварочныхдефектов. 4 з.п. ф-лы, 2 ил., 5 табл.

公开(公告)号：RU2656431C2

公开(公告)日：2018-06-05

申请号：RU2016144976

申请日：2015-04-15

Applicant: JFE STEEL CORP

Inventor： TAMURA YUKUYA ,  MORIMOTO YUTA ,  HAYAKAWA NAOYA

IPC: B23K31/02 ,  B21C37/08 ,  B23K9/025 ,  B23K9/173 ,  B23K9/235 ,  B23K33/00

Abstract: Изобретениеотноситсяк способусваркиприхваточнымишвамисварнойстальнойтрубыбольшогодиаметраоткрытогопрофиля. Сваркуприхваточнымишвамивыполняютнепрерывнонакромках (1a) открытойтрубы (1) впроцессепроизводствасварнойстальнойтрубыбольшогодиаметра. Сваркуприхваточнымишвамивыполняютпосредствомдуговойсваркиметаллическимплавящимсяэлектродомв средезащитногогазаприсварочномтоке 1000 Ас использованиемсварочнойпроволоки (3) сплошногосечениядиаметром 4,8 мми более, которуюкрепятк контактномунаконечнику (2). Впроцессесваркиподдерживаютрасстояние 25 мми болеемеждунаружнойповерхностьюкромок (1a) инижнимконцомконтактногосердечника (2). Способпозволяетувеличитьскоростьсварки, исключаяприэтомнеровныесварныевалики, прожоги непровар. 16 з.п. ф-лы, 1 ил., 1 табл.