| 摘要 |
The invention relates to an iron-chrome-aluminum alloy with a high service life, comprising (in mass %) 4 to 8 % Al and 16 to 24 % Cr and other added materials, 0.05 to 1 % Si, 0.001 to 0.5 % Mn, 0.02 to 0.2 % Y, 0.1 to 0.3 % Zr and/or 0.02 to 0.2 % Hf, 0.003 to 0.05 % C, 0.0002 to 0.05 % Mg, 0.0002 to 0.05 % Ca, max. 0.04 % N, max. 0.04 % P, max. 0.01 % S, max. 0.5 % Cu and the usual melting-related impurities, the remainder being iron. |
