| 摘要 |
1,261,262. Fe-Cr alloy. UNITED AIRCRAFT CORP. May 9, 1969 [May 23, 1968], No.23801/69. Heading C7A. An Fe-Cr alloy, for coating Ni or Co base alloys, comprises: - Al 10-20% Cr 20-50% and Y/R.E. 0À03-2%, the balance, apart from impurities such as:- C up to 0À02% H " " 0À005% N " " 0À005% O " " 0À01% P " " 0À01% S " " 0À01% and other elements up to 0À5% total, being Fe. The coating may be applied by vapour deposition and post-treatment as set out in Specification 1,261,261. |
