Method for thermal treatment of nickel based alloy materials
    1.
    发明授权
    Method for thermal treatment of nickel based alloy materials 失效
    镍基合金材料热处理方法

    公开(公告)号:US4710237A

    公开(公告)日:1987-12-01

    申请号:US815774

    申请日:1986-01-02

    IPC分类号: C22C19/05 C22F1/00 C22F1/10

    CPC分类号: C22C19/05 C22F1/10

    摘要: A method for a thermal treatment of a nickel based alloy, characterized in that said nickel based alloy for a material which will be subjected to a high-temperature and high-pressure water or vapor comprises, in terms of % by weight, 58% or more of Ni, 25 to 35% of Cr, 0.003% or less of B, 0.012 to 0.035% of C, 1% or less of Mn, 0.5% or less of Si, 0.015% or less of P, 0.015% or less of S, and the residue of Fe and usual impurities; in a first thermal treatment process, said nickel based alloy is heated and retained at a temperature of T.degree. C. to (T+100).degree.C. and is cooled at a cooling rate of a furnace cooling rate or more; and in a second thermal treatment process, said nickel based alloy is then retained at a temperature of 600.degree. to 750.degree. C. and at a temperature within a sensitization recovery range for a period of 0.1 to 100 hours and is cooled at a cooling rate of said furnace cooling rate or more.

    摘要翻译: 一种镍基合金的热处理方法,其特征在于,用于经受高温高压水或蒸汽的材料的所述镍基合金以重量%计含有58%或 较多的Ni,25〜35%的Cr,0.003%以下的B,0.012〜0.035%的C,1%以下的Mn,0.5%以下的Si,0.015%以下的P,0.015%以下 的S,以及Fe和常规杂质的残留物; 在第一热处理工艺中,将所述镍基合金在T℃至(T + 100)℃的温度下加热并保持,并以炉冷却速率或更高的冷却速率冷却; 然后在第二热处理工艺中,然后将所述镍基合金保持在600至750℃的温度和在致敏恢复范围内的温度下进行0.1至100小时的时间,并以冷却速率 所述炉冷却速度或更高。

    Nickel-chromium alloy in stress corrosion cracking resistance
    2.
    发明授权
    Nickel-chromium alloy in stress corrosion cracking resistance 失效
    镍铬合金的应力腐蚀开裂性

    公开(公告)号:US4715909A

    公开(公告)日:1987-12-29

    申请号:US878398

    申请日:1986-06-19

    IPC分类号: C22C19/05 C22F1/10

    CPC分类号: C22F1/10 C22C19/05

    摘要: A nickel-chromium alloy excellent in a stress corrosion cracking resistance which is obtained by carrying out an annealing treatment under specific conditions, said alloy having the following composition:______________________________________ in terms of % by weight, ______________________________________ 0.04% or less of C; 1.0% or less of Si; 1.0% or less of Mn; 0.030% or less of P; 0.02% or less of S; 40 to 70% of Ni; 25 to 35% of Cr; 0.1 to 0.5% of Al; 0.05 to 1.0% of Ti; 0.5 to 5.0% in all of one or more of Mo, W and V, and ______________________________________ the residue comprising substantially Fe. A nickel-chromium alloy further including 0.2 to 5.0% of Nb subject to Ti=0.2 to 1.0% and Nb/C=10 to 125.

    摘要翻译: 通过在特定条件下进行退火处理获得的耐应力腐蚀开裂性优异的镍铬合金,所述合金具有以下组成: - 以重量%计,-0.04%以下的C; 1.0%以下的Si; -1.0%以下的Mn; 0.030%以下的P; -0.02%以下的S; 40〜70%的Ni; -25〜35%的Cr; 0.1〜0.5%的Al; -0.05〜1.0%的Ti; 在Mo,W和V中的一种或多种中的一种或多种中为-0.5至5.0%,以及 - 基本上包含Fe的残余物。 进一步含有Ti = 0.2〜1.0%,Nb / C = 10〜125的Nb为0.2〜5.0%的镍铬合金。

    Heat resistant nickel base alloy excellent in workability and high
temperature strength properties
    4.
    发明授权
    Heat resistant nickel base alloy excellent in workability and high temperature strength properties 失效
    耐热镍基合金,加工性和耐高温性优异

    公开(公告)号:US4474733A

    公开(公告)日:1984-10-02

    申请号:US350048

    申请日:1982-02-18

    IPC分类号: C22C19/05

    CPC分类号: C22C19/055

    摘要: A heat resistant nickel base alloy which is excellent in not only hot and cold workability but also high temperature strength properties and which also possesses satisfactory oxidation resistance. The nickel base alloy consists essentially of 0.001-0.15 percent carbon, 0.0005-0.05 percent calcium, 20.0-126.0 percent chromium, 4.7-9.4 percent cobalt, 5.0-16.0 percent molybdenum, 0.5-4.0 percent tungsten, with the total of molybdenum plus tungsten being from 9.0 to 16.5 percent, and the balance nickel and inevitable impurities. The alloy may further contain one selected from the group consisting of (1) 0.3-1.5 percent aluminum and 0.1-1.0 percent titanium, (2) 0.001-0.30 percent at least one of yttrium and rare earth elements, and (3) 0.01-1.0 percent at least one of niobium, vanadium and tantalum, whereby the aforementioned characteristics are further enhanced.

    摘要翻译: 耐热镍基合金,其不仅具有优异的冷加工性,而且具有优异的耐高温性能,并且还具有令人满意的耐氧化性。 镍基合金基本上由0.001-0.15%碳,0.0005-0.05%钙,20.0-126.0%铬,4.7-9.4%钴,5.0-16.0%钼,0.5-4.0%钨组成,其中钼与钨的总量 为9.0〜16.5%,余量为镍和不可避免的杂质。 合金还可以含有选自(1)0.3-1.5%的铝和0.1-1.0%的钛,(2)0.001-0.30%的钇和稀土元素中的至少一种,和(3) 1.0%的铌,钒和钽中的至少一种,从而进一步提高上述特性。