| 摘要 |
<p>A tool for glass molding operations, particularly television tubes, having high oxidation resistance so that surface imperfections on a formed workpiece are eliminated or drastically reduced, said tool having the following approximate composition by weight percent: C .23 - .38, Mn. 40 - 1.00, P .040 max, S .030 max, Si .00 - 1.20, Ni 1.0 - 3.0, Cr 14.0 - 20.0, Mo .25 - 1.00, V 10 max, Cu .50 - 1.50, Al. 50 - 1.50, Fe balance together with incidental impurities and other elements not significantly adversely affecting performance and methods of manufacture thereof. <IMAGE></p> |
