Among the standard zinc alloys, #27 is the lightest with the highest strength, hardness, creep resistance, wear resistance and melting point. A cold chamber die casting alloy, it is not recommended for plating.
Applications
Automotive components
Typical Properties
Typical Physical Properties:
Density (g/cm3):
5.0
Melting Range (oC):
376- 484
Electrical Conductivity (% IACS):
29.7
Thermal Conductivity (100oC, W/m
‧
K):
125.5
Specific Heat (J/kg
‧
K):
534
Die Shrinkage (mm/mm):
0.008
Coefficient of Thermal Expansion (20-100oC, μm/m/oC):
26.0
Typical Mechanical Properties:
Ultimate Tensile Strength (MPa):
421
Impact Strength (J):
5
Elongation (%):
1-3
Hardness (HB):
105-125
Shear Strength (MPa):
325
Yield Strength (0.2%, MPa):
379
Fatigue Strength (5 x 108 cycles, MPa):
145
Compressive Yield Strength (0.1%, MPa):
385
Compliance with International Standards
RoHS, ISO 301, China GB/T 8738, Europe EN 1774, U.S. ASTM B240
