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Standard Zinc Alloys

Because of an additional 1% copper, #5 zinc alloy has higher hardness and strength than #3 but less ductility which may affect formability. #5 has an excellent castability and a better creep resistance (deformation under high temperature stress). It is also good for electroplating, surface finishing and machining.

Applications

Sports equipment, industrial parts, zippers

Typical Properties

 Typical Physical Properties: 

  •  Density (g/cm3):    6.6 
  •  Melting Range (oC):    380- 386 
  •  Electrical Conductivity (% IACS):    26 
  •   Thermal Conductivity (100oC, W/m    ‧    K):     108.9 
  •   Specific Heat (J/kg    ‧    K):     419 
  •  Die Shrinkage (mm/mm):    0.007 
  •  Coefficient of Thermal Expansion (20-100oC, μm/m/oC):    27.4 

 Typical Mechanical Properties: 

  •  Ultimate Tensile Strength (MPa):    328 
  •  Impact Strength (J):    65 
  •  Elongation (%):    7 
  •  Hardness (HB):    91 
  •  Shear Strength (MPa):    262 
  •  Yield Strength (0.2%, MPa):    228 
  •  Fatigue Strength (5 x 108 cycles, MPa):    57 
  •  Compressive Yield Strength (0.1%, MPa):    600 

Compliance with International Standards

RoHS, ISO 301, China GB/T 8738, Europe EN 1774, Japan JISH 2201, 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 

SP-Series (in cube or bar forms) 

  •  Cube dimensions (mm):    72 x 53 x 42 
  •  Average mass per cube (kg):    0.65 
  •  Slab dimensions (mm):    446 x 110 x 42 
  •  Average mass per slab (kg):    7.8 

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