Fe-Cr-Ni ALLOY FOR ELECTRON GUN ELECTRODES AND Fe-Cr-Ni ALLOY SHEET FOR ELECTRON GUN ELECTRODES

摘要

AN Fe-Cr-Ni ALLOY FOR ELECTRON GUN ELECTRODES, COMPRISES: 15 TO 20r; 9 TO 15Ni; 0.12OR LESS C; 0.005 TO 1.0i; 0.005 TO 2.5Mn; 0.03 OR LESS P; 0.0010 TO 0.0100; 2.0OR LESS Mo; 0.001 TO 0.2Al; 0.005OR LESS O; 0.1OR LESS N; 0.05OR LESS Ca; 0.02OR LESS Mg; BALANCE Fe; INEVITABLE IMPURITIES; AND INCLUSIONS WITH LENGTHS OF 10µm OR MORE AND LESS THAN 100µM AND WITH AN AVERAGE DISTANCE THEREBETWEEN OF 100µm OR LESS IN THE THICKNESS DIRECTION AND INCLUSIONS WITH LENGTHS OF LESS THAN 10µm AND WITH AN AVERAGE DISTANCE THEREBETWEEN OF 20µm OR LESS IN THE THICKNESS DIRECTION WHEN THE ALLOY IS ROLLED TO A SHEET WITH A THICKNESS IN THE RANGE OF 0.1 TO 0.7mm.