| 摘要 |
Disclosed is a durable iron-chromium-aluminum alloy that shows minor changes in heat resistance and contains (in percent by weight) 4.5 to 6.5 percent of Al, 16 to 24 percent of Cr, 1.0 to 4.0 percent of W, 0.05 to 0.7 percent of Si, 0.001 to 0.5 percent of Mn, 0.02 to 0.1 percent of Y, 0.02 to 0.1 percent of Zr, 0.02 to 0.1 percent of Hf, 0.003 to 0.030 percent of C, 0.002 to 0.03 percent of N, a maximum of 0.01 percent of S, and a maximum of 0.5 percent of Cu, the remainder being iron and the usual production-related impurities.
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