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1. 发明申请

US20140232105A1 NICKEL-BASE RADIANT TUBE AND METHOD FOR MAKING THE SAME 审中-公开
标题翻译：镍基辐射管及其制造方法
公开(公告)号：US20140232105A1
公开(公告)日：2014-08-21
申请号：US14265875
申请日：2014-04-30
申请人： ArcelorMittal Investigacion y Desarrollo, S.L.
发明人： Sree Harsha LALAM
IPC分类号： F16L13/02
CPC分类号： F16L13/02 , B23K9/0282 , B23K33/006 , B23K2101/06 , C10G9/20 , F28D2021/0056 , F28F9/26 , F28F21/087 , F28F2275/06
摘要： Nickel-base radiant tube includes straight and curved elbow tube sections. The straight tube section has constant inner and outer radii. The elbow tube section has a constant inner radius and variable outer radius. The inner diameter of the elbow tube section is equal the inner radius of the straight tube section. Mating end portion of the elbow tube section has an outer radius equal to the outer radius of the straight tube section. Method for making the radiant tube comprises the steps of positioning a mating end portion of the straight tube section adjacent to and aligned with the mating end portion of the elbow tube section so that end faces of the straight and elbow tube sections face each other to define a circumferentially extending weld groove, and butt welding the mating end portions of the straight and elbow tube sections together at the weld groove.
摘要翻译：镍基辐射管包括直弯曲弯管部分。直管段具有恒定的内径和外半径。肘管部分具有恒定的内半径和可变的外半径。肘管部分的内径等于直管部分的内径。肘管部的配合端部的外径与直管部的外半径相等。用于制造辐射管的方法包括以下步骤：将直管部分的配合端部定位成与弯管部分的配合端部相邻并对准，使得直管部分和弯管部分的端面彼此面对以限定沿周向延伸的焊接槽，并且在焊接槽处将直管和弯头管部分的配合端部对接在一起。

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