Butt-welded joint and method for manufacturing same
    2.
    发明授权
    Butt-welded joint and method for manufacturing same 有权
    对焊接头及其制造方法

    公开(公告)号:US08653403B2

    公开(公告)日:2014-02-18

    申请号:US13513090

    申请日:2010-12-03

    IPC分类号: B23K15/00

    摘要: A butt-welded joint includes a pair of steel plates, a first weld metal that is formed at a butting portion of the pair of steel plates from a side of a first surface of the butt-welded joint to a side of a second surface opposite the first surface by irradiation of a first high-energy density beam from the side of the first surface, and a second weld metal that is formed by irradiation of a second high-energy density beam to cover an end surface of the first weld metal at the side of the first surface side of the first weld metal. A width W1 of the first weld metal on the first surface and a width W2 of the second weld metal on the first surface satisfy an equation 1.2≦W2/W1≦3.5, and a depth of the second weld metal from the first surface is 2.0 mm to 10.0 mm.

    摘要翻译: 对接焊接头包括一对钢板,第一焊接金属,其形成在所述一对钢板的对接部分处,从所述对接焊接接头的第一表面的一侧到相对的第二表面的一侧 所述第一表面通过从所述第一表面侧照射第一高能量密度束;以及第二焊接金属,其通过第二高能量密度束的照射而形成,以覆盖所述第一焊接金属的端面 第一焊缝金属的第一表面侧的一侧。 第一表面上的第一焊接金属的宽度W1和第一表面上的第二焊接金属的宽度W2满足方程式1.2 @ W2 / W1 @ 3.5,第一焊接金属的第一表面的深度为2.0 mm至10.0 mm。

    ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND METHOD OF MANUFACTURING THE SAME
    3.
    发明申请
    ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND METHOD OF MANUFACTURING THE SAME 审中-公开
    电子束焊接接头,电子束焊接用钢及其制造方法

    公开(公告)号:US20130189536A1

    公开(公告)日:2013-07-25

    申请号:US13877470

    申请日:2011-10-27

    IPC分类号: B32B15/01

    摘要: A steel for electron-beam welding according to the present invention includes at least C: 0.02% to 0.10%, Si: 0.03% to 0.30%, Mn: 1.5% to 2.5%, Ti: 0.005% to 0.015%, N: 0.0020% to 0.0060%, and O: 0.0010% to 0.0035%, further includes S: limited to 0.010% or less, P: limited to 0.015% or less, and Al: limited to 0.004% or less, with a balance including iron and inevitable impurities. An index value CeEBB obtained by substituting composition of the steel into following Formula 1 falls in the range of 0.42 to 0.65%, the number of oxide having an equivalent circle diameter of 1.0 μm or more is 20 pieces/mm2 or less at a thickness center portion in cross section along the thickness direction of the steel, and the number of oxide containing Ti of 10% or more and having an equivalent circle diameter of not less than 0.05 μm or more and less than 0.5 μm falls in the range of 1×103 to 1×105 pieces/mm2 at the thickness center portion. CeEBB=C+¼Mn+ 1/15Cu+ 1/15Ni+⅕Cr+⅕Mo+⅕V  (Formula 1)

    摘要翻译: 根据本发明的用于电子束焊接的钢包括C:0.02%至0.10%,Si:0.03%至0.30%,Mn:1.5%至2.5%,Ti:0.005%至0.015%,N:0.0020 %至0.0060%,O:0.0010%至0.0035%,进一步包括S:限于0.010%以下,P:限于0.015%以下,Al:限定在0.004%以下,余量包括铁和 不可避免的杂质。 通过用下述式1代替钢的组成而得到的指标值CeEBB落在0.42〜0.65%的范围内,等效圆直径为1.0μm以上的氧化物的数量在厚度中心为20个/ mm 2以下 沿着钢的厚度方向的横截面积,并且含有10%以上且具有不小于0.05mum以上且小于0.5μm的当量圆的氧化物的数量落在1× 厚度中心部分为103〜1×105个/ mm2。 CeEBB = C +¼Mn+ 1 / 15Cu + 1 / 15Ni + 1 / 5Cr + 1 / 5Mo + 1 / 5V(式1)

    ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND MANUFACTURING METHOD
    5.
    发明申请
    ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND MANUFACTURING METHOD 有权
    电子束焊接接头,电子束焊接用钢和制造方法

    公开(公告)号:US20130279971A1

    公开(公告)日:2013-10-24

    申请号:US13988737

    申请日:2011-10-27

    IPC分类号: B23K35/30

    摘要: An electron-beam welded joint including, by mass %, C: 0.02% to 0.1%, Si: 0.03% to 0.30%, Mn: 1.5% to 2.5%, Ti: 0.005 to 0.015%, N: 0.0020 to 0.0060%, O: 0.0010% to 0.0035%, Nb: 0% to 0.020%, V: 0% to 0.030%, Cr: 0% to 0.50%, Mo: 0% to 0.50%, Cu: 0% to 0.25%, Ni: 0% to 0.50%, B: 0% to 0.0030%, S: limited to 0.010% or less, P: limited to 0.015% or less, Al: limited to 0.004% or less, and a balance consisting of iron and unavoidable impurities, wherein an index value CeEB is 0.49% to 0.60%, a number of oxides having an equivalent circle diameter of 1.0 μm or more is 20 pieces/mm2 or less, and a number of oxides having an equivalent circle diameter of 0.05 μm or more and less than 0.5 μm is 1×103 pieces/mm2 to 1×105 pieces/mm2 at a thickness center portion.

    摘要翻译: 1.一种电子束焊接接头,以质量%计含有C:0.02〜0.1%,Si:0.03〜0.30%,Mn:1.5〜2.5%,Ti:0.005〜0.015%,N:0.0020〜0.0060% O:0.0010〜0.0035%,Nb:0〜0.020%,V:0%〜0.030%,Cr:0〜0.50%,Mo:0〜0.50%,Cu:0〜0.25% 0%〜0.50%,B:0%〜0.0030%,S:限制在0.010%以下,P:0.015%以下,Al:0.004%以下,余量由铁和不可避免的杂质 其中,指数值CeEB为0.49〜0.60%,当量圆直径为1.0μm以上的氧化物数为20个/ mm 2以下,当量圆直径为0.05μm以上的氧化物数 在厚度中心部分,小于0.5μm为1×103个/ mm 2〜1×105个/ mm 2。

    BUTT-WELDED JOINT AND METHOD FOR MANUFACTURING SAME
    6.
    发明申请
    BUTT-WELDED JOINT AND METHOD FOR MANUFACTURING SAME 有权
    BUTT焊接接头及其制造方法

    公开(公告)号:US20120237287A1

    公开(公告)日:2012-09-20

    申请号:US13513090

    申请日:2010-12-03

    IPC分类号: B23K15/00

    摘要: A butt-welded joint includes a pair of steel plates, a first weld metal that is formed at a butting portion of the pair of steel plates from a first surface side of the pair of steel plates to a second surface side opposite the first surface side by irradiation of a first high-energy density beam from the first surface side, and a second weld metal that is formed by a second high-energy density beam to cover an end surface of the first surface side of the first weld metal. Here, a width W1 of the first weld metal on the first surface and a width W2 of the second weld metal on the first surface satisfy a following equation (1), and a depth from the first surface of the second weld metal is 2.0 mm to 10.0 mm. 1.2≦W2/W1≦3.5  (1)

    摘要翻译: 对接焊接头包括一对钢板,第一焊接金属,其形成在所述一对钢板的对接部分,从所述一对钢板的第一表面侧到与所述一对钢板的第一表面侧相对的第二表面侧 通过从第一表面侧照射第一高能量密度光束和由第二高能量密度光束形成以覆盖第一焊接金属的第一表面侧的端表面的第二焊接金属。 这里,第一表面上的第一焊接金属的宽度W1和第一表面上的第二焊接金属的宽度W2满足以下等式(1),并且来自第二焊接金属的第一表面的深度为2.0mm 至10.0mm。 1.2≦̸ W2 / W1≦̸ 3.5(1)

    Electron-beam welded joint, steel for electron-beam welding, and manufacturing method
    8.
    发明授权
    Electron-beam welded joint, steel for electron-beam welding, and manufacturing method 有权
    电子束焊接接头,电子束焊接用钢及其制造方法

    公开(公告)号:US08623154B2

    公开(公告)日:2014-01-07

    申请号:US13988737

    申请日:2011-10-27

    摘要: An electron-beam welded joint including, by mass %, C: 0.02% to 0.1%, Si: 0.03% to 0.30%, Mn: 1.5% to 2.5%, Ti: 0.005 to 0.015%, N: 0.0020 to 0.0060%, O: 0.0010% to 0.0035%, Nb: 0% to 0.020%, V: 0% to 0.030%, Cr: 0% to 0.50%, Mo: 0% to 0.50%, Cu: 0% to 0.25%, Ni: 0% to 0.50%, B: 0% to 0.0030%, S: limited to 0.010% or less, P: limited to 0.015% or less, Al: limited to 0.004% or less, and a balance consisting of iron and unavoidable impurities, wherein an index value CeEB is 0.49% to 0.60%, a number of oxides having an equivalent circle diameter of 1.0 μm or more is 20 pieces/mm2 or less, and a number of oxides having an equivalent circle diameter of 0.05 μm or more and less than 0.5 μm is 1×103 pieces/mm2 to 1×105 pieces/mm2 at a thickness center portion.

    摘要翻译: 1.一种电子束焊接接头,以质量%计含有C:0.02〜0.1%,Si:0.03〜0.30%,Mn:1.5〜2.5%,Ti:0.005〜0.015%,N:0.0020〜0.0060% O:0.0010〜0.0035%,Nb:0〜0.020%,V:0%〜0.030%,Cr:0〜0.50%,Mo:0〜0.50%,Cu:0〜0.25% 0%〜0.50%,B:0%〜0.0030%,S:限制在0.010%以下,P:0.015%以下,Al:0.004%以下,余量由铁和不可避免的杂质 其中,指数值CeEB为0.49〜0.60%,当量圆直径为1.0μm以上的氧化物数为20个/ mm 2以下,当量圆直径为0.05μm以上的氧化物数 在厚度中心部分,小于0.5μm为1×103个/ mm 2〜1×105个/ mm 2。

    BUTT-WELDED JOINT OF WELDED STRUCTURE, AND METHOD FOR MANUFACTURING THE SAME
    10.
    发明申请
    BUTT-WELDED JOINT OF WELDED STRUCTURE, AND METHOD FOR MANUFACTURING THE SAME 有权
    焊接结构的焊接接头及其制造方法

    公开(公告)号:US20120288324A1

    公开(公告)日:2012-11-15

    申请号:US13511071

    申请日:2010-12-02

    IPC分类号: B23K15/00

    摘要: The present invention provides a butt-welded joint of a welded structure, including: a pair of target metals; a weld bead formed by irradiating a first high-energy density beam to a butt portion between the pair of the target metals, the weld bead having a width W on an irradiated side surface; and a pair of altered zones formed, on a surface of the butt-welded joint having the first high-energy density beam irradiated thereto, by irradiating a second high-energy density beam to the surface, the pair of the altered zones having a band shape extending in parallel to the weld bead, and the pair of the altered zones consisting of a pair of heat-affected portions and molten and solidified metals located on a right side and a left side relative to the center of the weld bead in the width direction.

    摘要翻译: 本发明提供一种焊接结构的对接焊接接头,包括:一对目标金属; 通过将第一高能量密度束照射到所述一对目标金属之间的对接部分形成的焊道,所述焊道在照射的侧表面上具有宽度W; 以及一对改变的区域,通过向所述表面照射第二高能量密度束,在所述对接焊接接头的具有照射到其上的第一高能量密度束的表面上形成,所述一对改变区域具有带 形状平行于焊道延伸,并且一对改变区域由一对受热影响部分组成,熔融和固化的金属位于相对于焊道中心的右侧和左侧的宽度 方向。