QQ-T-570C, FEDERAL SPECIFICATION: TOOL STEEL, ALLOY (26-APR-1977) [S/S BY ASTM-A681]

QQ-T-570C, FEDERAL SPECIFICATION: TOOL STEEL, ALLOY (26-APR-1977) [S/S BY ASTM-A681]., This specification covers alloy tool steels as described in ASTM A 681 which are used for the manufacture of wrought steel products including hot or cold finished bar, plate, sheet, strip, rod, wire, or forgings which are normally fabricated into tools, dies, or fixtures.