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    • 31. 发明授权
    • Stainless steel product containing B and method for production thereof
    • 含有B的不锈钢制品及其生产方法
    • US07170073B2
    • 2007-01-30
    • US11076943
    • 2005-03-11
    • Kazuhiro IshidaKazuhiro OgawaTakeo YazawaHideaki YamamotoHideo Morisaki
    • Kazuhiro IshidaKazuhiro OgawaTakeo YazawaHideaki YamamotoHideo Morisaki
    • C22C38/32B21B3/02B23K9/04
    • B21B3/02B21B1/024B21B1/026B21B2001/022B21B2001/028B23K15/00B23K35/308B23K35/3086B23K2103/05C22C38/001C22C38/02C22C38/04C22C38/06C22C38/44C22C38/54H01M8/021Y02P70/56
    • A stainless steel slab containing B, wherein a protecting material is joined onto at least two faces across the bloom from each other in a stainless steel bloom containing B of 0.3–2.5 mass %, being integrated into one-piece by forming a weld metal comprising a stainless steel with chemical composition that satisfies the relationship expressed by following formulas (1)–(4), and a method to produce a steel product by rolling said slab. Further, it is preferable to interpose an insert material between above stainless steel bloom and above protecting material in bonding process. 15≦Cr eq≦30,  (1) 4≦Cr eq−Ni eq≦17,  (2) Cr eq=Cr+1.5 Si+Mo−5 B,  (3) Ni eq=Ni+30 (C+N)+0.5 Mn  (4) Herein, each symbol of a chemical element designates the content (mass %) of relevant chemical element contained in steel. Accordingly, it makes it possible to subject a stainless steel slab containing B to hot working without generating edge cracking, so as to be used as a source material of a neutron shielding container and a separator of a fuel cell.
    • 一种含有B的不锈钢板,其中保护材料通过含有0.3-2.5质量%的B的不锈钢开坯彼此连接在至少两个面上,通过形成焊接金属而形成一体,所述焊接金属包括 具有满足下述式(1)〜(4)所示关系的化学成分的不锈钢,以及轧制所述板坯来制造钢材的方法。 此外,优选在接合工序中将插入材料插入上述不锈钢开花和上述保护材料之间。 <?in-line-formula description =“In-line Formulas”end =“lead”?> 15 <= CReq <= 30,(1)<?in-line-formula description =“In-line Formulas”end = “tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 4 <= CReq-Ni eq <= 17,(2)<?in-line-formula description = “直线公式”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> Cr eq = Cr + 1.5 Si + Mo-5 B,(3 )<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?Ni eq = Ni + 30(C + N)+0.5 Mn(4)<?在线公式描述=“在线公式”end =“tail”?>这里,化学元素的每个符号表示 钢中含有的相关化学元素。 因此,可以使含有B的不锈钢板坯进行热加工而不会产生边缘裂纹,从而用作中子屏蔽容器的源材料和燃料电池的隔板。
    • 33. 发明授权
    • Continuous rolling method of billet and apparatus therefor
    • 坯料及其设备的连续轧制方法
    • US5957367A
    • 1999-09-28
    • US848313
    • 1997-04-30
    • Giichi MatsuoSusumu Okawa
    • Giichi MatsuoSusumu Okawa
    • B21B1/02B21B1/46B21B15/00B23K37/00B21B1/24
    • B21B15/0085B21B1/466B21B2001/022B21B2203/42
    • A continuous rolling method includes the steps of: flash-butt welding a rear end of a preceding billet with a front end of a succeeding billet; grinding the welded portion to remove a burr on the welded portion; heating the continuous billet; and rolling the continuous billet through a series of rolling mills. The flash-butt welding step includes joining the rear end of the preceding billet with the front end of the succeeding billet by using the stationary welder and joining the billets having at least double the length of the preceding billet by using the travelling welder. A continuous rolling apparatus includes a stationary flash-butt welder, a travelling flash-butt welder, a travelling grinding machine, an induction heater and a series of continuous rolling mills.
    • 连续轧制方法包括以下步骤:将先前坯料的后端与后续坯料的前端进行对接焊接; 研磨焊接部分以去除焊接部分上的毛刺; 加热连续坯料; 并通过一系列轧机轧制连续坯料。 闪光焊接步骤包括通过使用固定式焊机将前一坯料的后端与后一坯料的前端连接,并且通过使用行进焊接机将具有至少两倍长度的坯料连接在一起。 连续轧制设备包括固定式闪光对焊机,行走式闪光焊机,行走式磨床,感应加热器和一系列连轧机。
    • 37. 发明公开
    • Method for removing burr in continuous rolling process and apparatus thereof
    • Verfahren zur Beseitigung der Grate in einem kontinueierlichen Walzverfahren undGerätdafür
    • EP0761331A1
    • 1997-03-12
    • EP96113917.7
    • 1996-08-30
    • NKK CORPORATION
    • Matsuo, GiichiHamura, NobuyoshiOkawa, SusumuAnai, HidenoriSakai, AkiraAoyama, SoichiOkushima, KojiSugawara, YukiUshioda, BunnosukeWatanabe, Yuji
    • B21B15/00B24B5/38
    • B21B15/0085B21B1/04B21B1/466B21B2001/022B24B5/38
    • A method for removing burr in a continuous rolling process of the first aspect of the present invention comprises the steps of: joining the rear end of a preceding billet (10) with the front end of a succeeding billet (10) using the flash butt welding method while running both thereof; and grinding a burr on the welded part of the joined portion using a plurality of grinders (31) while the billets running and while rotating the grinders and moving thereof synchronously with the travelling speed of the billets. and
      A grinding machine for continuously rolling a round billet (20) comprises: a travelling body (11) shuttling along the direction of the round billet movement; a turret ring (55) supported by the travelling body in a rotatable state thereof; a plurality of grinding devices (51) arranged in a movable manner within a radius of the turret ring; and grinders (31) of the grinding device, which are set at a tilted angle against the center axis of the turret ring.
    • 在本发明的第一方面的连续轧制过程中,除去毛刺的方法包括以下步骤:使用闪光对接焊接前一坯料(10)的后端与后续坯料(10)的前端 方法同时运行; 并使用多个研磨机(31)在所述接合部的焊接部分上研磨毛刺,同时所述坯料行进并同时使所述研磨机旋转并与所述坯料的行进速度同步地移动。 以及用于连续轧制圆坯(20)的研磨机包括:沿着圆坯运动方向穿梭的行进体(11); 在所述行进体的可旋转状态下支承的转台环(55); 多个研磨装置(51),其可移动地设置在所述转盘环的半径内; 和研磨装置的研磨器(31),其相对于转盘环的中心轴线倾斜设置。