MIL-S-8690B, MILITARY SPECIFICATION: STEEL, CHROME-NICKEL-MOLYBDENUM, 8620, BARS, AIRCRAFT QUALITY (01-FEB-1978) [S/S BY SAE-AMS6274]

MIL-S-8690B, MILITARY SPECIFICATION: STEEL, CHROME-NICKEL-MOLYBDENUM, 8620, BARS, AIRCRAFT QUALITY (01-FEB-1978) [S/S BY SAE-AMS6274]., This specification covers an aircraft quality chrome-nickel-molybdenum steel (8620) in the form of bars.