MIL-S-7420B (NOTICE-1), MILITARY SPECIFICATION: STEEL BARS, ALLOY, CHROMIUM, HIGH CARBON E52100 (AIRCRAFT QUALITY) (20-JAN-1989) [S/S BY SAE-AMS6440, SAE-AMS6444 AND SAE-AMS6447]

MIL-S-7420B (NOTICE-1), MILITARY SPECIFICATION: STEEL BARS, ALLOY, CHROMIUM, HIGH CARBON E52100 (AIRCRAFT QUALITY) (20-JAN-1989) [S/S BY SAE-AMS6440, SAE-AMS6444 AND SAE-AMS6447].