公开(公告)号：US5903814A

公开(公告)日：1999-05-11

申请号：US903096

申请日：1997-07-30

申请人： Toshihiro Miura ,  Kazutoshi Suda ,  Masao Kamada ,  Hirotoshi Ishide

发明人： Toshihiro Miura ,  Kazutoshi Suda ,  Masao Kamada ,  Hirotoshi Ishide

IPC分类号： B23K35/36 ,  B23K35/368 ,  B23K35/362

CPC分类号： B23K35/368 ,  B23K35/3608 ,  Y10T428/12056 ,  Y10T428/12097

摘要： A flux cored wire for gas shielded arc welding with a mixed gas comprising argon and carbon dioxide which comprises:a seam-welded steel sheath; and a core filled in the steel sheath and comprising, all in weight percent:a slag and arc stabilizer comprising 4.0 to 6.0% TiO.sub.2, 0.2 to 0.8% SiO.sub.2, 0.4 to 0.8% ZrO.sub.2, 0.2 to 0.8% Al.sub.2 O.sub.3, 0.06 to 0.25% Na.sub.2 O+K.sub.2 O, and 0.1 to 0.4% metal fluoride;an alloying agent and metal deoxidizer comprising 0.03 to 0.06% C, 0.20 to 0.80% Si, 1.50 to 2.20% Mn, and 0.30 to 0.60% Mg; andnot less than 2% Fe;in which the difference between the percentages of iron or a combination of Na and K segregated in any two quartered cross section of the wire that are defined by equations (1) and (2) in the specification are not more than 10% and not more than 0.15%, respectively.

摘要翻译： 一种用于气体保护电弧焊的药芯焊丝，包括氩气和二氧化碳的混合气体，其包括：焊缝钢护套; 以及填充在钢护套中的芯，其全部重量百分比：包含4.0至6.0％的TiO 2，0.2至0.8％的SiO 2，0.4至0.8％的ZrO 2，0.2至0.8％的Al 2 O 3，0.06至0.25％ Na2O + K2O，和0.1〜0.4％的金属氟化物; 包含0.03〜0.06％的C，0.20〜0.80％的Si，1.50〜2.20％的Mn和0.30〜0.60％的Mg的合金化剂和金属脱氧剂; 不少于2％Fe; 其中在说明书中由等式（1）和（2）定义的在线的任何两个四分之一横截面中分离的铁或Na和K组合的百分比之间的差异不大于10％而不是更多 分别为0.15％以上。