QQ-T-830A, FEDERAL SPECIFICATION: STEEL, CARBON, MECHANICAL, SEAMLESS AND WELDED (01-MAR-1961) [S/S BY ASTMA513 AND ASTMA519]

QQ-T-830A, FEDERAL SPECIFICATION: STEEL, CARBON, MECHANICAL, SEAMLESS AND WELDED (01-MAR-1961) [S/S BY ASTMA513 AND ASTMA519]., This specification covers carbon steel mechanical tube for general application purposes and structural applications (see 6.1).