QQ-B-750, FEDERAL SPECIFICATION: BRONZE, PHOSPHOR; BAR, PLATE, ROD, SHEET, STRIP, FLAT WIRE, AND STRUCTURAL AND SPECIAL SHAPED SECTIONS (05-JUL-1961) [S/S BY ASTM-B139]

QQ-B-750, FEDERAL SPECIFICATION: BRONZE, PHOSPHOR; BAR, PLATE, ROD, SHEET, STRIP, FLAT WIRE, AND STRUCTURAL AND SPECIAL SHAPED SECTIONS (05-JUL-1961) [S/S BY ASTM-B139]., A US Federal Specification high tin bronze CuSn10P which has been superseded by ASTM B 139 C52400. This wrought alloy is normally supplied in the hard condition and is high strength with good fatigue properties making it an ideal alloy for highly stressed parts with high load and impact. It has the highest mechanical properties of the QQ-B-750 and ASTM B 139 series of alloys.