Zincaloy Solid and Hollow Bearing Stock

ZA-12 (ASTM B86)

Chemistry   Yield Tensile Typical Hardness Elongation Density
Composition % PSI PSI Min % lb/in.³
Aluminum 10.5 - 11.5 45-58,000 61-69,000 130 1-4% 0.218
Copper 0.5 - 1.2          
Magnesium 0.015-0.030          
Zinc Balance           
Zinc vs Bronze Alloys  
  Zinc Bronze
Properties   Zincaloy SAE 660 Alloy 954
Ultimate Tensile Strength (psi) 65,000 35,000 85,000
Yield Strength (psi) 50,000 20,000 32,000
Elongation  % 2 10 12
Hardness  BHN 130 60 170
Density (lb/in.³) 0.218 0.322 0.269
Melting Range (°F) 710-810 1570-1790 1880-1990
Electrical Conductivity (%IACS) 28 12 13
Thermal Conductivity (BTU/ft-hr/°F) 67 34 35
Coef. Of thermal Expansion (μin/in/°F) 13 10 9