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QQ-W-412 1959 Edition, April 7, 1959
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WIRE, STEEL, ALLOY (GENERAL PURPOSE QUALITY), FOR MECHANICAL SPRINGS
Includes all amendments and changes through Cancellation Notice 1, February 28, 1977
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This specification covers tow compositions, each of tow types, of uncoated, round (0.20 to 0.500 inches in diameter) alloy-steel wire for the manufacture of mechanical springs subjected to mildly elevated temperatures.