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1. WO2020110856 - FLUX-CORED WIRE, AND WELDING JOINT PRODUCTION METHOD

Publication Number WO/2020/110856
Publication Date 04.06.2020
International Application No. PCT/JP2019/045398
International Filing Date 20.11.2019
IPC
B23K 35/30 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
24Selection of soldering or welding materials proper
30with the principal constituent melting at less than 1550°C
B23K 35/368 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
36Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
368Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
B23K 9/173 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
9Arc welding or cutting
16making use of shielding gas
173and of consumable electrode
CPC
B23K 35/30
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
24Selection of soldering or welding materials proper
30with the principal constituent melting at less than 1550 degrees C
B23K 35/368
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
36Selection of non-metallic compositions, e.g. coatings, fluxes
368Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
B23K 9/173
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
9Arc welding or cutting
16making use of shielding gas
173and of a consumable electrode
Applicants
  • 日本製鉄株式会社 NIPPON STEEL CORPORATION [JP]/[JP]
Inventors
  • 児玉 真二 KODAMA Shinji
  • 富士本 博紀 FUJIMOTO Hiroki
  • 渡邊 耕太郎 WATANABE Kotaro
Agents
  • 棚井 澄雄 TANAI Sumio
  • 寺本 光生 TERAMOTO Mitsuo
  • 勝俣 智夫 KATSUMATA Tomoo
  • 山口 洋 YAMAGUCHI Yoh
Priority Data
2018-22154227.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) FLUX-CORED WIRE, AND WELDING JOINT PRODUCTION METHOD
(FR) FIL FOURRÉ, ET PROCÉDÉ DE PRODUCTION D'UN JOINT DE SOUDURE
(JA) フラックス入りワイヤ、及び溶接継手の製造方法
Abstract
(EN)
A flux-cored wire according to one embodiment of the present invention comprises a cylindrical steel outer skin, and a flux filling the interior of the steel outer skin. The components of the flux include 0.10 to 0.30% fluoride as F-converted value, 0.05 to 0.28% oxide, 0 to 0.50% carbonate, and 0 to 10% iron powder. In the flux, the Si oxide content is 0 to 0.150% as SiO2-converted value, the total of the Na compound content and the K compound content is 0.010 to 0.200% as the sum of Na2O-converted value and K2O-converted value, the Ca compound content is 0 to 0.100% as Ca-converted value, the CaO content is 0 to 0.15%, the Zr compound content is 0 to 0.200% as Zr-converted value, and the TiO2 content is 0 to 0.07%, chemical ingredients aside from the fluorides, the oxides, and the carbonates falling within a predetermined range, and the total content of all forms of Si being less than 0.30%.
(FR)
La présente invention concerne, selon un mode de réalisation, un fil fourré comprenant une couche cylindrique externe en acier et un flux remplissant l'intérieur de la couche externe en acier. Les constituants du flux comprennent de 0,10 à 0,30 % de fluorure en tant que valeur de conversion en F, de 0,05 à 0,28 % d'oxyde, de 0 à 0,50 % de carbonate, et de 0 à 10 % de poudre de fer. Dans le flux, la teneur en oxyde de Si va de 0 à 0,150 % en tant que valeur de conversion en SiO2, le total de la teneur en composé Na et de la teneur en composé K va de 0,010 à 0,200 % en tant que somme de la valeur de conversion en Na2O et de la valeur de conversion en K2O, la teneur en composé Ca va de 0 à 0,100 % en tant que valeur de conversion en Ca, la teneur en CaO va de 0 à 0,15 %, la teneur en composé Zr va de 0 à 0,200 % en tant que valeur de conversion en Zr, et la teneur en TiO2 va de 0 à 0,07 %, des ingrédients chimiques hormis les fluorures, les oxydes et les carbonates tombant dans une plage préétablie, et la teneur totale de toutes les formes de Si étant inférieure à 0,30 %.
(JA)
本発明の一態様に係るフラックス入りワイヤは、筒状の鋼製外皮と、鋼製外皮の内部に充填されたフラックスとを備え、フラックスの成分が、弗化物:F換算値で0.10~0.30%、酸化物:0.05~0.28%、炭酸塩:0~0.50%、及び鉄粉:0~10%、を含み、フラックスにおいて、Si酸化物の含有量:SiO換算値で0~0.150%、Na化合物の含有量及びK化合物の含有量の合計:NaO換算値及びKO換算値の合計で0.010~0.200%、Ca化合物の含有量:Ca換算値で0~0.100%、CaOの含有量:0~0.15%、Zr化合物の含有量:Zr換算値で0~0.200%、及びTiOの含有量:0~0.07%であり、弗化物、酸化物、及び炭酸塩を除く化学成分が所定範囲内であり、あらゆる形態のSiの合計含有量が、0.30%未満である。
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