公开(公告)号：US4714501A

公开(公告)日：1987-12-22

申请号：US798702

申请日：1985-11-15

申请人： Kazuo Yamanaka ,  Hiroo Nagano ,  Takao Minami ,  Yaautaka Okada ,  Mamoru Inoue ,  Hiroshi Susukida ,  Kichiro Onimura ,  Toshio Yonezawa ,  Nobuya Sasaguri ,  Katsuji Kawaguchi ,  Takaya Kusakabe

发明人： Kazuo Yamanaka ,  Hiroo Nagano ,  Takao Minami ,  Yaautaka Okada ,  Mamoru Inoue ,  Hiroshi Susukida ,  Kichiro Onimura ,  Toshio Yonezawa ,  Nobuya Sasaguri ,  Katsuji Kawaguchi ,  Takaya Kusakabe

IPC分类号： C22C19/05 ,  C22C30/00 ,  C22F1/10

CPC分类号： C22F1/10 ,  C22C19/05

摘要： An alloy for heat transfer pipes excellent in an alkali stress corrosion cracking resistance which is obtained by heating and retaining said alloy at a temperature within the range of a temperature (T.degree.C.), at which a carbide in said alloy is thoroughly solubilized, to T+100.degree. C. for 1 minute or more; cooling it once to a level of 200.degree. C. or less; and carrying out a thermal treatment under conditions within a hatched range Z in FIG. 2, said alloy comprising: in terms of % by weight, 0.15% or less of C; 1.0% or less of Si; 1.0% or less of Mn; 25 to 35% of Cr; 40 to 70% of Ni; 0.5% or less of Al; 0.01 to 1.0% of Ti; 0.5 to 5.0%, in all, of one or more of Mo, W and V; 0.30% or less of P; 0.020% or less of S; and the residue of Fe and impurities.

摘要翻译： 一种耐碱腐蚀开裂性优异的传热管用合金，其特征在于，在将上述合金中的碳化物充分溶解的温度（T℃）下进行加热保持， 至T + 100℃1分钟以上; 冷却一次至200℃以下; 并在图1中的阴影范围Z内的条件下进行热处理。 2，所述合金包含：按重量％计，0.15％或更少的C; 1.0％以下的Si; 1.0％以下的Mn; 25〜35％的Cr; 40〜70％的Ni; 0.5％以下的Al; 0.01〜1.0％Ti; 0.5〜5.0％，全部为Mo，W和V中的一种或多种; 0.30％以下的P; 0.020％以下的S; 并残留Fe和杂质。

公开(公告)号：US4710237A

公开(公告)日：1987-12-01

申请号：US815774

申请日：1986-01-02

申请人： Toshio Yonezawa ,  Nobuya Sasaguri ,  Kichiro Onimura ,  Hiroshi Susukida ,  Katsuji Kawaguchi ,  Hiroo Nagano ,  Takao Minami ,  Kazuo Yamanaka ,  Yasutaka Okada ,  Mamoru Inoue

发明人： Toshio Yonezawa ,  Nobuya Sasaguri ,  Kichiro Onimura ,  Hiroshi Susukida ,  Katsuji Kawaguchi ,  Hiroo Nagano ,  Takao Minami ,  Kazuo Yamanaka ,  Yasutaka Okada ,  Mamoru Inoue

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。

公开(公告)号：US4715909A

公开(公告)日：1987-12-29

申请号：US878398

申请日：1986-06-19

申请人： Takao Minami ,  Hiroo Nagano ,  Kazuo Yamanaka ,  Yasutaka Okada ,  Hiroshi Susukida ,  Kichiro Onimura ,  Toshio Yonezawa ,  Nobuya Sasaguri

发明人： Takao Minami ,  Hiroo Nagano ,  Kazuo Yamanaka ,  Yasutaka Okada ,  Hiroshi Susukida ,  Kichiro Onimura ,  Toshio Yonezawa ,  Nobuya Sasaguri

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。