Process for using anti-coking steels for diminishing coking in a
petrochemical process
    1.
    发明授权
    Process for using anti-coking steels for diminishing coking in a petrochemical process 失效
    在石化工艺中使用抗焦化钢减少焦化的方法

    公开(公告)号:US5693155A

    公开(公告)日:1997-12-02

    申请号:US575546

    申请日:1995-12-20

    CPC分类号: C22C38/40

    摘要: For diminishing coking in a petrochemical process, coking-resistant steel containing by weight: about 0.05% to 0.06% of carbon; about 2.5% to 5% of silicon; 10% to 20% of chromium; 10% to 15% of nickel 0.5% to 1.5% of manganese; 0-0.5% of titanium; at most 0.8% of aluminium; the complement to 100% being essentially iron, can be used to manufacture tubes and plates for producing reactors or elements thereof, as well as for coatings of the internal walls of furnaces, reactors or tubings where coking can occur.

    摘要翻译: 对于石油化工过程中焦化减少,含有重量约为0.05%至0.06%碳的耐焦钢; 约2.5%至5%的硅; 10%〜20%的铬; 10%至15%的镍0.5%至1.5%的锰; 0-0.5%的钛; 最多为0.8%的铝; 100%基本上为铁的补充剂可用于制造用于生产反应器或其元件的管和板,以及用于可能发生焦化的炉子,反应器或管道的内壁的涂层。

    Method for making steel wires and shaped wires, and use thereof in
flexible ducts
    2.
    发明授权
    Method for making steel wires and shaped wires, and use thereof in flexible ducts 失效
    制造钢丝和成形丝的方法及其在挠性管中的应用

    公开(公告)号:US5922149A

    公开(公告)日:1999-07-13

    申请号:US913222

    申请日:1997-11-04

    CPC分类号: C22C38/00 C21D8/06

    摘要: A method for making steel wires, wherein an elongate shaped wire is produced by rolling or drawing steel consisting of 0.05-0.5% C, 0.4-1.5% Mn, 0-2.5% Cr, 0.1-0.6% Si, 0-1% Mo, no more than 0.25% Ni, and no more than 0.02% S and P, and a first heat treatment is performed on the shaped wire, including at least one step of quenching under predetermined conditions to achieve an HRC hardness of at least 32, a predominately martensitic and bainitic steel structure and a small amount of ferrite. A shaped wire and a flexible tube for conveying an H.sub.2 S-containing effluent are disclosed.

    摘要翻译: PCT No.PCT / FR96 / 00363 Sec。 371日期1997年11月4日 102(e)日期1997年11月4日PCT 1996年3月8日PCT公布。 公开号WO96 / 28575 日期1996年9月19日一种制造钢丝的方法,其中通过轧制或拉制由0.05-0.5%C,0.4-1.5%Mn,0-2.5%Cr,0.1-0.6%Si, 0-1%Mo,不超过0.25%的Ni和不超过0.02%的S和P,并且对成形丝进行第一次热处理,包括在预定条件下淬火至少一个步骤以实现HRC硬度 至少32,主要是马氏体和贝氏体钢结构和少量的铁素体。 公开了一种用于输送含H2S的流出物的成形线和柔性管。