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    • 3. 发明授权
    • Solid wire for mag welding
    • 实心焊丝用于焊条
    • US6054675A
    • 2000-04-25
    • US143519
    • 1998-08-28
    • Tsuyoshi KurokawaFusaki KoshiishiHiroyuki ShimizuTakaaki ItoKazuhiko Ito
    • Tsuyoshi KurokawaFusaki KoshiishiHiroyuki ShimizuTakaaki ItoKazuhiko Ito
    • B23K35/02B23K35/04B23K35/30B23K35/36B23K35/365B23K35/40C22C38/00C22C38/14C22C38/16B23K35/00
    • B23K35/0261B23K35/3053B23K35/365B23K35/40
    • Described is a solid wire for MAG welding which has no copper plating on the wire surface and which has good welding workabilities such as a reduced amount of generated spatters and good arc stability in the MAG welding of steel sheets.A solid wire for MAG welding comprises, as chemical components for the wire, 0.01 to 0.15 wt % of C, 0.20 to 1.00 wt % of Si, 0.70 to 1.70 wt % of Mn, 0.30 wt % or below of Ti, 0.025 wt % or below of S, 0.020 wt % or below of O, and the balance being Fe and inevitable impurities, wherein said wire is applied on the surface thereof with at least one compound serving as an arc stabilizer and selected from the group consisting of a K compound and a Cs compound in such a way that when an amount of the K compound to be applied to (calculated as K) is taken as Appm relative to the weight of said wire and an amount of the Cs compound (calculated as Cs) is taken as Bppm, a value of (A+3B) is in the range of 2 to 15 ppm. The wire has such a structure as not to be plated with copper on the surface thereof.
    • 描述了一种用于MAG焊接的实心线,其在线材表面上没有镀铜,并且在钢板的MAG焊接中具有良好的焊接加工性,例如减少的溅出量和良好的电弧稳定性。 用于MAG焊接的实心线包括作为线材的化学成分,C:0.01〜0.15重量%,Si:0.20〜1.00重量%,Mn:0.70〜1.70重量%,Ti:0.30重量%以下,0.025重量% 或以下的S,0.020重量%以下的O,余量为Fe和不可避免的杂质,其中,所述导线在其表面上涂覆有至少一种作为电弧稳定剂的化合物,选自K 化合物和Cs化合物,使得当施加的K化合物(以K计算)的量相对于所述丝的重量为Appm,并且Cs化合物的量(以Cs计算)为 取为Bppm,(A + 3B)的值在2〜15ppm的范围内。 导线具有在其表面上不镀铜的结构。
    • 5. 发明授权
    • Plating-free solid wire for MAG welding
    • 用于MAG焊接的无电镀实心线
    • US06664510B2
    • 2003-12-16
    • US10225197
    • 2002-08-22
    • Takaaki ItoHiroyuki ShimizuYasuyuki YokotaTsuyoshi KurokawaFusaki Koshiishi
    • Takaaki ItoHiroyuki ShimizuYasuyuki YokotaTsuyoshi KurokawaFusaki Koshiishi
    • B23K3502
    • B23K35/0261B23K35/3053B23K35/40
    • A plating-free solid wire for arc welding has pits opening on its circumference, and wider inside than at each opening, and/or pits having a portion non-irradiated with an externally incoming light. A sulfide and a polyisobutene-containing oil are present in the pits and/or on the wire surface, the latter being present in an amount of 0.1-2 g/10 kg of wire. Twenty or more pits are present in total per and along wire circumference. The effective pit length ratio is 0.5% inclusive-50% exclusive. 0.1-2 g of the oil is present per 10 kg of wire. 0.01-0.5 g/10 kg of 0.1-10-&mgr;m-particle-dia MoS2 is present in “bottleneck-like and/or cave-like pits”, on the wire surface or immediately under the wire surface. A 2-10 mass ppm/total wire mass of K compound in K is present in the pits and/or on the wire surface. These ensure good feedability and lubricating properties, and less spatters.
    • 用于电弧焊的无电镀实心线在其圆周上具有凹口,并且在每个开口处具有较宽的内部孔和/或具有未被外部入射光照射的部分的凹坑。 硫化物和含聚异丁烯的油存在于凹坑和/或丝线表面上,后者以0.1-2g / 10kg的丝的量存在。 每个和沿着圆周总共存在二十个或更多个凹坑。 有效坑长度比为0.5%(含50%)。 每10公斤电线存在0.1-2克的油。 0.01-0.5g / 10kg的0.1-10-mum-particle-dia MoS2存在于“瓶颈状和/或洞穴状凹坑”中,线表面或线表面下方。 K中的K化合物的2-10质量ppm /总线质量存在于凹坑和/或线表面上。 这些确保了良好的可进给性和润滑性能,而且飞溅少。
    • 7. 发明授权
    • Gas shielded arc welding flux cored wire
    • 气体保护电弧焊药芯焊丝
    • US06441334B1
    • 2002-08-27
    • US09123464
    • 1998-07-28
    • Isao AidaTetsuo SugaTsuyoshi KurokawaFusaki KoshiishiHajime Uchiyama
    • Isao AidaTetsuo SugaTsuyoshi KurokawaFusaki KoshiishiHajime Uchiyama
    • B23K3538
    • B23K35/368B23K35/3605
    • Realized is a welding wire containing flux used for a gas shielded arc welding of a direct current/positive polarity mode, with use of which a quantity of sputter generated is small, a good weldability is realized and a weld metal with an excellent toughness is obtained in all the welding positions under application of a welding current in the range of a low current to a medium current, or in a definite manner in the range of 50 to 300 A. The flux contains 0.7 to 3 wt % Al, 0.1 to 1.0 wt % Mg and 1.2 to 5 wt % BaF2, each content being a value in wt % to a total weight of the wire and the sum of a content of Al plus a content of Mg multiplied by 3 being in the range of 1.3 to 5 wt %, a filling ratio of the flux to the total weight of the wire is in the range of 5 to 30 wt %, a total Mn content in a steel sheath and the flux combined is in the range of 0.2 to 1.9 wt % and a total Si content in the steel sheath and the flux combined in the range of 0.001 to 0.9 wt %.
    • 实现了包含用于直流/正极性模式的气体保护电弧焊的焊剂的焊丝,其中使用其中产生的溅射量小,实现良好的可焊性并获得具有优异韧性的焊接金属 在焊接电流的所有焊接位置,在低电流至中等电流的范围内,或在50〜300A的范围内以一定的方式施加焊接位置。焊剂含有0.7〜3重量%的Al,0.1〜1.0 重量%Mg和1.2〜5重量%BaF 2,各含量相对于导线的总重量的重量%,Al的含量与Mg的含量之和乘以3之和在1.3〜5的范围内 重量%时,焊剂与焊丝总重量的填充率在5〜30重量%的范围内,钢壳中的总Mn含量和焊剂组合在0.2〜1.9重量%的范围内, 钢鞘中的总Si含量和助焊剂组合在0.001至0.9重量%的范围内。