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    • 3. 发明申请
    • Advanced Fe-5Cr-X Alloy
    • 先进的Fe-5Cr-X合金
    • US20160281197A1
    • 2016-09-29
    • US14668766
    • 2015-03-25
    • DALMINE SpA
    • Matteo OrtolaniEttore AnelliMichael L. SantellaGovindarajan Muralidharan
    • C22C38/50C21D8/10C21D6/00C22C38/00C22C38/44C22C38/42C22C38/04C22C38/02C21D9/08C22C38/48
    • A tubular article can be formed from high temperature steam oxidation resistant and high temperature creep resistant alloy steel. The steel can include a chemical composition that include Fe, C, Si, Mn, Ni, Cr, Cu, Ti, Nb, Mo, and N, and optionally other elements. The steel alloy can include 0.06 to 0.15 wt % C, 0.1 to 0.5 wt % Si, 0.2 to 0.6 wt %, 0.05 to 0.4 wt % Ni, 4.5 to 6.0 wt % Cr, 1.0 to 2.0 wt % Cu, 0.04 to 0.08 wt % Ti, 0.01 to 0.06 wt % Nb, 0.45 to 1.2 wt % Mo, and 0.008 to 0.05 wt % N, up to 0.01 wt % of optional element Al, up to 0.01 wt % of optional element Zr, up to 3.0 wt % of optional element Co, up to 0.07 wt % of optional element V, up to 3.0 wt % of optional element W, up to 0.015 wt % of optional element P, up to 0.003 wt % of optional element S, up to 0.1 wt % of optional element Ca, up to 0.1 wt % of optional element Ta, up to 0.1 wt % of optional element Mg, up to 0.1 wt % of optional element Se, up to 0.1 wt % of optional element Te, up to 0.1 wt % of optional element B, up to 0.1 wt % of optional element Bi, and Fe. The steel can include copper precipitates and fine carbides, nitrides, or both. The steel can have a final microstructure comprising tempered martensite, tempered bainite, or a combination thereof. The steel can contain less than 2 vol % residual austenite.
    • 管状制品可由高温耐氧化,耐高温蠕变合金钢制成。 钢可以包括Fe,C,Si,Mn,Ni,Cr,Cu,Ti,Nb,Mo和N以及任选的其它元素的化学组成。 钢合金可以包括0.06〜0.15重量%的C,0.1〜0.5重量%的Si,0.2〜0.6重量%,0.05〜0.4重量%的Ni,4.5〜6.0重量%的Cr,1.0〜2.0重量%的Cu,0.04〜0.08重量% %Ti,0.01〜0.06重量%的Nb,0.45〜1.2重量%的Mo和0.008〜0.05重量%的N,最多0.01重量%的任选元素Al,至多0.01重量%的任选元素Zr,至多3.0重量% 的可选元素Co,至多0.07重量%的任选元素V,至多3.0重量%的任选元素W,至多0.015重量%的任选元素P,至多0.003重量%的任选元素S,至多0.1重量% 的可选元素Ca,至多0.1重量%的任选元素Ta,至多0.1重量%的任选元素Mg,至多0.1重量%的任选元素Se,至多0.1重量%的任选元素Te,至多0.1重量% 的可选元素B,至多0.1重量%的任选元素Bi和Fe。 钢可以包括铜沉淀物和细小碳化物,氮化物或两者。 钢可以具有包括回火马氏体,回火贝氏体或其组合的最终显微组织。 钢可含有少于2体积%的残余奥氏体。
    • 6. 发明授权
    • Machine for engraving on curved metallic surfaces
    • 用于雕刻弯曲金属表面的机器
    • US3840104A
    • 1974-10-08
    • US31979672
    • 1972-12-29
    • DALMINE SPA
    • GROPPINI D
    • B41K3/36B21C51/00B25H7/04B44B3/04B44B5/00F17C13/00B41J1/30B41F17/18
    • F17C13/003B44B5/0076F17C2201/0109F17C2205/05F17C2209/2181
    • A piercing machine for marking writings, numbers and the like on metallic curved surfaces, such as the ogive-shaped portion of steel cylinders, which allows for the marking by engraving also of symbols varying from one piece to be marked to another, without hand substitution of the piercer elements. The piercers are disposed and held on a disc along a spiral arrangement. This disc may be operated and driven into rotation by two independent mechanisms, one for the engraving of the symbols which are always the same, and the other for the variable symbols. The first mechanism causes and intermittent mono-directional rotation movement, while the second mechanism causes a continuous rotation, in both the senses. The disc bearing the piercers can be brought into rotation alternatively by only one of said two mechanism, but in any case, during its rotation, it is also subjected to a rectilinear translation which, combined with the rotation, is such that the piercers disposed along a spiralshaped line, are always aligned with a hammering means the operating axis of which is stationary.
    • 用于在金属曲面上标记文字,数字等的穿孔机,例如钢瓶的凹凸形状部分,其允许通过雕刻从一件而变化的符号进行标记而不用手替代 的穿孔元件。 穿孔机沿着螺旋布置被设置和保持在盘上。 该盘可以通过两个独立的机构操作和驱动旋转,一个用于雕刻总是相同的符号,另一个用于可变符号。 第一种机构导致和间歇性的单向旋转运动,而第二种机构在两种感觉中都会连续旋转。 具有穿孔器的盘可以仅通过所述两个机构中的一个而交替地旋转,但是在任何情况下,在其旋转期间,它也经受直线平移,其与旋转相结合使得穿孔器沿着 螺旋形线总是与其运行轴静止的锤击装置对准。