MIL-S-23008D, MILITARY SPECIFICATION: STEEL CASTINGS, ALLOY, HIGH YIELD STRENGTH (HY-80 AND HY-100) (25-JUN-1988) [SEE NOTICE 1 FOR REPLACEMENT INFORMATION]

MIL-S-23008D, MILITARY SPECIFICATION: STEEL CASTINGS, ALLOY, HIGH YIELD STRENGTH (HY-80 AND HY-100) (25-JUN-1988) [SEE NOTICE 1 FOR REPLACEMENT INFORMATION]., This specification covers grade HY-80 and grade HY-100 steel castings intended for critical structural applications where a weldable, notch-tough, high-strength material is required.