MIL-S-18732D, MILITARY SPECIFICATION: STEEL BARS, WIRE, FORGING STOCK, FORGINGS, TUBING (431), SPECIAL QUALITY (01-MAR-1968)

MIL-S-18732D, MILITARY SPECIFICATION: STEEL BARS, WIRE, FORGING STOCK, FORGINGS, TUBING (431), SPECIAL QUALITY (01-MAR-1968)., This specification presents requirements for a special quality of type 431 corrosion-resistant steel.