PHYSICAL PROPERTIES

Alloy #3 #5 #7 #2 ZA-8
Density: lb/cu in (g/cm3) .24 (6.6) .24 (6.6) .24 (6.6) .24 (6.6) .227 (6.3)
Melting Range: °F (°C) 718-728
(381-387)
717-727
(380-386)
718-728
(381-387)
715-734
(379-390)
707-759
(375-404)
Electrical Conductivity: % IACS 27 26 27 25 27.7
Thermal Conductivity: BTU/ft/hr/°F (W/m/hr/°C) 65.3 (113) 62.9 (108.9) 65.3 (113) 60.5 (104.7) 66.3 (114.7)
Coefficient of Thermal Expansion:
68-212°F μin/in/°F (100-200°C μm/mm/°C)
15.2 (27.4) 15.2 (27.4) 15.2 (27.4) 15.4 (27.8) 12.9 (23.3)
Specific Heat: BTU/lb/°F (J/kg/°C) .1 (419) .1 (419) .1 (419) .1 (419) .104 (435)
Pattern of Die Shrinkage: in/in .007 .007 .007 .007 1/8 in/ft     .007