The most widely used zinc alloy, #3 maintains a balance of desirable physical and mechanical properties with excellent castability and long-lasting dimensional stability. In addition, #3 is particularly suitable for surface treatment such as electroplating, painting and chromizing.

Applications

Automotive, locks, fittings, fashion accessories, toys and gifts, telecommunications, mechanical components, sports equipment, bathroom hardware, zippers, ceiling fans, electronics, tableware, silverware and gas regulators

Typical Properties

Typical Physical Properties:

  • Density (g/cm3): 6.6
  • Melting Range (oC): 381- 387
  • Electrical Conductivity (% IACS): 27
  • Thermal Conductivity (100oC, W/m ‧ K): 113.0
  • 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):  283
  • Impact Strength (J):  58
  • Elongation (%):  10
  • Hardness (HB):  82
  • Shear Strength (MPa):  214
  • Yield Strength (0.2%, MPa):  221
  • Fatigue Strength (5 x 108 cycles, MPa):  48
  • Compressive Yield Strength (0.1%, MPa):  414

Compliance with International Standards

RoHS, ISO 301, China GB/T 8738, Europe EN 1774, Japan JISH 2201, U.S. ASTM B240, Australia AS 1881

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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