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Standard Zinc Alloys

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

Packaging

  •  Average Mass per Slab (kg):    10 
  •  Slab Dimensions (mm):    480 x 110 x 45 
  •  Average Mass per Bundle(kg):    1,100 ± 50 
  •  Bundle Dimensions (mm):    460 x 960 x 610 
  •  Number per Bundle:    112 

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