| 摘要 |
An alloy having an excellent corrosion resistance and workability and being suitable particularly for seamless tubes of the industrial waste incineration boiler. The alloy consists essentially of, in weight %,: up to 0.05 % C, up to 0.5 % Si up to 0.5 % Mn, up to 0.01 % P 20 - 25 % Cr, 8 - 12 % Mo, more than 0.5 % and up to 1.0 % Nb, more than 15 % and up to 20 % Fe, up to 0.4 % Al, up to 0.1 % in total of rare earth metals, up to 0.01 % Ca, up to 0.01 % Mg, up to 0.01 % B, and the balance Ni and incidental impurities, wherein the Fe content and the Nb content are defined so as to satisfy the following formula (a): Fe (%) ~ 4 x Nb (%) + 12.5 ...(a) |
