#12 zinc alloy is best for gravity casting for sand, permanent mold and graphite mold casting. Good for cold chamber die casting, this alloy has a lower density, superior creep resistance and excellent wear resistance.
Applications
Structural components
Typical Properties
Typical Physical Properties:
Density (g/cm3):
6.3
Melting Range (oC):
375- 404
Electrical Conductivity (% IACS):
27.7
Thermal Conductivity (100oC, W/m
‧
K):
114.7
Specific Heat (J/kg
‧
K):
435
Die Shrinkage (mm/mm):
0.007
Coefficient of Thermal Expansion (20-100oC, μm/m/oC):
23.3
Typical Mechanical Properties:
Ultimate Tensile Strength (MPa):
400
Impact Strength (J):
29
Elongation (%):
4-7
Hardness (HB):
95-115
Shear Strength (MPa):
296
Yield Strength (0.2%, MPa):
317
Fatigue Strength (5 x 108 cycles, MPa):
117
Compressive Yield Strength (0.1%, MPa):
269
Compliance with International Standards
RoHS, ISO 301, China GB/T 8738, Europe EN 1774, U.S. ASTM B240
