| 摘要 |
The present invention consists of an aluminum alloy having a high fatigue strength which is particularly suited for use in the fabrication of printing plates for offset lithography. The alloy contains from 0.2 to 0.75% magnesium, from 0.45 to 0.7% copper, from 0.1 to 0.7% iron and up to 0.3% silicon. The alloy, when processed according to the process of the present invention possesses a uniquely high fatigue strength. |
