Electron-beam welded joint, steel for electron-beam welding, and manufacturing method
    3.
    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。

    ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND METHOD OF MANUFACTURING THE SAME
    4.
    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。

    Steel for welded structure and producing method thereof
    6.
    发明授权
    Steel for welded structure and producing method thereof 有权
    焊接结构钢及其制造方法

    公开(公告)号:US08668784B2

    公开(公告)日:2014-03-11

    申请号:US13138119

    申请日:2010-05-18

    IPC分类号: C22C38/08 C22C38/14 C21D8/00

    摘要: A steel for a welded structure includes the following composition: by mass %, C at a C content [C] of 0.015 to 0.045%; Si at a Si content [Si] of 0.05 to 0.20%; Mn at a Mn content [Mn] of 1.5 to 2.0%; Ni at a Ni content [Ni] of 0.10 to 1.50%; Ti at a Ti content [Ti] of 0.005 to 0.015%; O at an O content [O] of 0.0015 to 0.0035%; and N at a N content [N] of 0.002 to 0.006%, and a balance composed of Fe and unavoidable impurities. In the steel for a welded structure, the P content [P] is limited to 0.008% or less, the S content [S] is limited to 0.005% or less, the Al content [Al] is limited to 0.004% or less, the Nb content [Nb] is limited to 0.005% or less, the Cu content [Cu] is limited to 0.24% or less, the V content [V] is limited to 0.020% or less, and a steel composition parameter PCTOD is 0.065% or less, and a steel composition hardness parameter CeqH is 0.235% or less.

    摘要翻译: 用于焊接结构的钢包括以质量%计的C含量[C]为C = 0.015〜0.045%的组成: Si含量[Si]为0.05〜0.20%的Si; Mn含量[Mn]为1.5〜2.0%的Mn; Ni量[Ni]为0.10〜1.50%的Ni; Ti含量[Ti]为0.005〜0.015%的Ti; O的含量[O]为0.0015〜0.0035%; N为N,0.002〜0.006%,余量由Fe和不可避免的杂质构成。 在焊接结构钢中,P含量[P]限制在0.008%以下,S含量[S]限制在0.005%以下,Al含量[Al]限定在0.004%以下, 将Nb含量[Nb]限制在0.005%以下,将Cu含量[Cu]限制在0.24%以下,将V含量[V]限制在0.020%以下,钢结构参数PCTOD为0.065 %以下,钢组合物硬度参数CeqH为0.235%以下。

    STEEL SUPERIOR IN CTOD PROPERTIES OF WELD HEAT-AFFECTED ZONE AND METHOD OF PRODUCTION OF SAME
    7.
    发明申请
    STEEL SUPERIOR IN CTOD PROPERTIES OF WELD HEAT-AFFECTED ZONE AND METHOD OF PRODUCTION OF SAME 有权
    焊接热影响区CTOD特性中的钢铁及其生产方法

    公开(公告)号:US20100008815A1

    公开(公告)日:2010-01-14

    申请号:US12448582

    申请日:2008-12-04

    IPC分类号: C22C38/16 B22D11/00

    摘要: The present invention provides high strength steel having unprecedentedly superior CTOD (fracture toughness) properties satisfying not only the CTOD properties of the FL zone at −60° C., but also the CTOD properties of the ICHAZ zone in small and medium heat input multilayer welding etc. and a method of production of the same.The steel of the present invention is steel superior in CTOD properties of the heat-affected zone containing, by mass %, C: 0.015 to 0.045%, Si: 0.05 to 0.2%, Mn: 1.5 to 2.0%, Cu: 0.25 to 0.5%, Ni: 0.7 to 1.5%, P: 0.008% or less, S: 0.005% or less, Al: 0.004% or less, Ti: 0.005 to 0.015%, Nb: 0.005% or less, 0: 0.0015 to 0.0035%, and N: 0.002 to 0.006%, PCTOD: 0.065 or less, CeqH: 0.235 or less and the balance consisting of Fe and unavoidable impurities.

    摘要翻译: 本发明提供了具有前所未有的优异的CTOD(断裂韧性)性能的高强度钢,其不仅满足-60℃下FL区域的CTOD性能,而且满足中小型热输入多层焊接中ICHAZ区域的CTOD特性 等等及其生产方法。 本发明的钢是热影响区的CTOD特性优异的钢,以质量%计含有C:0.015〜0.045%,Si:0.05〜0.2%,Mn:1.5〜2.0%,Cu:0.25〜0.5 %,Ni:0.7〜1.5%,P:0.008%以下,S:0.005%以下,Al:0.004%以下,Ti:0.005〜0.015%,Nb:0.005%以下,0:0.0015〜0.0035% ,N:0.002〜0.006%,PCTOD:0.065以下,CeqH:0.235以下,余量由Fe和不可避免的杂质构成。

    Evaluation apparatus for cleanliness of metal and method thereof
    8.
    发明授权
    Evaluation apparatus for cleanliness of metal and method thereof 有权
    金属清洁度评价装置及其方法

    公开(公告)号:US06555063B1

    公开(公告)日:2003-04-29

    申请号:US09374826

    申请日:1999-08-13

    IPC分类号: G01N3300

    摘要: In order to quickly and economically evaluate cleanliness of a metal with high representativity when quantities, compositions, etc., of non-metallic inclusion particles existing in a metal and resulting in product defects are evaluated by a sample collected during the production process of the metal, the present invention provides an evaluation method involving the steps of levitation-melting a metal piece for a predetermined time by cold crucible levitation-melting means, discharging non-metallic inclusion particles contained in the metal piece to the surface of a molten metal, and directly analyzing a curved and non-smooth sample surface after solidification by a fluorescent X-ray analysis method using an energy dispersion type spectroscope, or by other chemical or physical measurements, to measure or analyze the quantities of elements constituting the non-metallic inclusion particles and to determine quantity of the non-metallic inclusions.

    摘要翻译: 为了快速,经济地评估具有高代表性的金属的清洁度,当金属中存在的非金属夹杂物颗粒的数量,组成等等,并且由金属制造过程中收集的样品评估产品缺陷时 本发明提供一种评价方法,包括以下步骤:通过冷坩埚悬浮熔化装置将金属片悬浮熔融预定时间,将包含在金属片中的非金属夹杂物颗粒排出到熔融金属表面;以及 通过使用能量分散型分光器的荧光X射线分析方法或通过其他化学或物理测量直接分析固化后的弯曲和非平滑样品表面,以测量或分析构成非金属夹杂物颗粒的元素的量 并确定非金属夹杂物的数量。

    Ti-Al intermetallic compound with Se
    10.
    发明授权
    Ti-Al intermetallic compound with Se 失效
    Ti-Al金属间化合物

    公开(公告)号:US5348594A

    公开(公告)日:1994-09-20

    申请号:US58840

    申请日:1993-05-06

    IPC分类号: C22C14/00

    CPC分类号: C22C14/00

    摘要: A Ti--Al intermetallic compound has a compressibility of at least 25% at room temperature and a superior high temperature oxidation resistance and consists essentially of about 40 to 52 atomic percent of Ti, about 48 to 60 atomic percent of Al, and 10 to 1000 atomic ppm of at least one of P, As, Se, or Te.

    摘要翻译: Ti-Al金属间化合物在室温下具有至少25%的压缩性和优异的高温抗氧化性,并且基本上由约40至52原子%的Ti,约48至60原子%的Al和10至1000 P,As,Se或Te中的至少一个的原子ppm。