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公开(公告)号：EP3702095A1
公开(公告)日：2020-09-02
申请号：EP18870307.8
申请日：2018-10-24
发明人： NAGAMI Masayuki , SASAKURA Shuji
IPC分类号： B23K35/368 , B23K35/30 , B23K35/362 , C22C38/00 , C22C38/04
摘要： The purpose of the present invention is to provide a flux-cored wire for submerged arc welding, and a material for submerged arc welding, with which it is possible to obtain a welded metal having exceptional strength and extreme-low-temperature toughness by exceptional welding activity and to suppress the amount of diffusible hydrogen in the welded metal. The present invention pertains to a flux-cored wire for submerged arc welding in which the interior of a steel outer layer is filled with flux, the flux-cored wire containing prescribed quantities of each of C, Si, Mn, Ni, Ti, B, CaF 2 , and Mg in relation to the total mass of the wire, and the amounts of each of N and O in the outer layer being restricted so as to be equal to or less than a prescribed value.
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公开(公告)号：EP3342531A1
公开(公告)日：2018-07-04
申请号：EP16841642.8
申请日：2016-08-25
IPC分类号： B23K35/368 , B23K35/30 , C22C38/00 , C22C38/04
摘要： Provided is a flux-cored wire for gas-shielded arc welding that contains, per wire total mass, specific amounts of C, Mn, TiO 2 and specific amounts or less of P and S, and contains, in the flux, a specific amount of Ni per wire total mass. The Ni has a ratio (α1/α2) of 0.50-1.00 when α1 (mass%) is the content per wire total mass of particles having a size of 106 µm or less and α2 (mass%) is the content per wire total mass of particles having a size exceeding 106 µm.
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公开(公告)号：EP3342531B1
公开(公告)日：2020-02-19
申请号：EP16841642.8
申请日：2016-08-25
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公开(公告)号：EP3508302A1
公开(公告)日：2019-07-10
申请号：EP17846273.5
申请日：2017-08-24
IPC分类号： B23K35/368 , B23K35/30
摘要： This seamless wire containing welding flux is formed by filling a steel sheath with flux, the amount of Fe in the flux per total mass of the wire being 2-15 mass%, and the flux filling ratio being 10-30 mass%. When the amount (mass%) of Fe in the flux per total mass of the wire is X and the flux filling ratio (mass%) is Y, expression (1) is satisfied. By means of this seamless wire containing welding flux, variation in the flux cross-sectional area relative to the wire cross-sectional area, which is caused by a reverse airflow generated during a diameter reduction step, is reduced, and wire breakage during the diameter reduction step is prevented. Y > − 2 X + 19
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公开(公告)号：EP3342530B1
公开(公告)日：2020-04-08
申请号：EP16841641.0
申请日：2016-08-25
IPC分类号： B23K35/368 , B23K35/30 , C22C38/00 , C22C38/04 , B23K35/02
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公开(公告)号：EP3208031B1
公开(公告)日：2019-06-12
申请号：EP15850051.2
申请日：2015-10-15
IPC分类号： B23K35/368 , B23K35/30 , B23K35/36 , B23K35/02
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公开(公告)号：EP3342530A1
公开(公告)日：2018-07-04
申请号：EP16841641.0
申请日：2016-08-25
IPC分类号： B23K35/368 , B23K35/30 , C22C38/00 , C22C38/04
摘要： Provided is a flux-cored wire for gas-shielded arc welding that contains specific amounts of C, Mn, TiO 2 , and Ni and specific amounts or less of P and S. The TiO 2 has a ratio (α1/α2) of 0.90-1.50 when α1 (mass%) is the content per wire total mass of particles having a size of 106 µm or smaller and α2 (mass%) is the content per wire total mass of particles having a size exceeding 106 µm.
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公开(公告)号：EP3208031A1
公开(公告)日：2017-08-23
申请号：EP15850051.2
申请日：2015-10-15
IPC分类号： B23K35/368 , B23K35/30
CPC分类号： B23K35/3093 , B23K9/16 , B23K35/0266 , B23K35/3053 , B23K35/3601 , B23K35/3607 , B23K35/3608 , B23K35/361 , B23K35/368
摘要： This wire containing a flux for gas shield arc welding contains specific amounts, per total mass of the wire, of TiO 2 , Si, an Si oxide and an Si compound, C, Mo, Ni, Mg, and an Mg alloy, an F compound, a K compound, an Na compound, B and a B compound, Fe, Ti, and a Ti alloy, Al and an Al alloy, and V; additionally, the amount of Ti in a steel outer skin is regulated.
摘要翻译： 包含用于气体保护电弧焊接的焊剂的焊丝含有特定量的TiO 2，Si，Si氧化物和Si化合物，C，Mo，Ni，Mg和Mg合金，F化合物 K化合物，Na化合物，B和B化合物，Fe，Ti和Ti合金，Al和Al合金以及V; 此外，还调节钢外皮中的Ti量。
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