Ferritic heat resistant alloy for clinker sticking-preventive structure
    76.
    发明专利
    Ferritic heat resistant alloy for clinker sticking-preventive structure 有权
    用于夹克防止结构的耐火耐热合金

    公开(公告)号:JP2006137989A

    公开(公告)日:2006-06-01

    申请号:JP2004328306

    申请日:2004-11-12

    摘要: PROBLEM TO BE SOLVED: To provide a ferritic heat resistant alloy having excellent clinker sticking-preventive performance in high temperature combustion gas, and further having satisfactory high temperature corrosion resistance, high temperature strength properties, structure stability, and resistance to embrittlement by incorporating no Al and also extremely suppressing the content of Mn.
    SOLUTION: The the ferritic heat resistant alloy for a clinker sticking-preventive structure lined on an inorganic refractory heat insulating material forming a furnace wall contains, by weight, ≤0.50% Mn, 2.0 to 4.0% Si, 15.0 to 25.0% Cr and ≤2.0% Ni, and the balance substantially Fe, and suitably, further contains ≤0.20% C, ≤0.20% N, Ta+Nb: 0.20 to 1.20.
    COPYRIGHT: (C)2006,JPO&NCIPI

    摘要翻译: 要解决的问题:提供一种在高温燃烧气体中具有优异的熟料防粘性能的铁素体耐热合金,并且还具有令人满意的耐高温腐蚀性,高温强度性能,结构稳定性和耐脆性的脆性 不含Al,也极度抑制Mn的含量。 解决方案:用于形成炉壁的无机耐火隔热材料上的用于熟料粘合​​防止结构的铁素体耐热合金含有重量百分比为≤0.50%的Mn,2.0〜4.0%的Si,15.0〜25.0% Cr和≤2.0%的Ni,余量基本上为Fe,适当地还含有≤0.20%的C,≤0.20%的N,Ta + Nb:0.20〜1.20。 版权所有(C)2006,JPO&NCIPI

    Guide tube of solenoid valve for hydrogen, and method for manufacturing the same
    78.
    发明专利
    Guide tube of solenoid valve for hydrogen, and method for manufacturing the same 有权
    用于氢的电磁阀的导向管及其制造方法

    公开(公告)号:JP2006043746A

    公开(公告)日:2006-02-16

    申请号:JP2004230123

    申请日:2004-08-06

    摘要: PROBLEM TO BE SOLVED: To prevent generation of hydrogen embrittlement crack caused by contact with high-pressure gaseous hydrogen in a guide tube of a solenoid valve for hydrogen having a dissimilar material welding structure of ferritic stainless steel and austenitic stainless steel. SOLUTION: The structure of a weld metal of ferritic stainless steel and austenitic stainless steel has a composition consisting of ≥ 50% (100% may be acceptable) austenite and the balance a ferritic and/or martensitic structure, and the hardness of the weld metal is 150-320HV. COPYRIGHT: (C)2006,JPO&NCIPI

    摘要翻译: 要解决的问题:为了防止在具有铁素体不锈钢和奥氏体不锈钢的异种材料焊接结构的氢电磁阀的导管中产生与高压气态氢接触引起的氢脆裂纹。 解决方案:铁素体不锈钢和奥氏体不锈钢的焊接金属的结构具有由≥50%(100%可接受)奥氏体组成的组成,其余为铁素体和/或马氏体结构,硬度为 焊缝金属为150-320HV。 版权所有(C)2006,JPO&NCIPI