Chemical Composition of Common Zinc Alloy Ingots | |||||||
Alloy | Al | Cu | Mg | Fe | Pb | Cd | Sn |
Zamak-3 | 3.5-4.3 | 0.25 max | 0.02-0.06 | 0.1 max | 0.005 max | 0.004 max | 0.003 max |
Zamak-5 | 3.5-4.3 | 0.75-1.25 | 0.03-0.08 | 0.1 max | 0.007 max | 0.005 max | 0.005 max |
ZSG-3 | 3.5-4.3 | 0.5 max | 0.02-0.06 | 0.1 max | 0.015 max | 0.004 max | 0.003 max |
Zamak propertiesPropertyMetric valueEnglish valueMechanical properties Physical properties
| Ultimate tensile strength | 331 MPa (270 MPa aged) | 48,000 psi (39,000 psi aged) |
| Yield strength (0.2% offset) | 295 MPa | 43,000 psi |
| Impact strength | 52 J (56 J aged) | 38 ft-lbf (41 ft-lbf aged) |
| Elongation at Fmax | 2% | |
| Elongation at fracture | 3.6% (13% aged) | |
| Shear strength | 262 MPa | 38,000 psi |
| Compressive yield strength | 600 MPa | 87,000 psi |
| Fatigue strength (reverse bending 5x108cycles) | 57 MPa | 8,300 psi |
| Hardness | 114 Brinell | |
| Modulus of elasticity | 96 GPa | 14,000,000 psi |
| Solidification range (melting range) | 380386 °C | 716727 °F |
| Density | 6.7 kg/dm3 | 0.24 lb/in3 |
| Coefficient of thermal expansion | 27.4 μm/m-°C | 15.2 μin/in-°F |
| Thermal conductivity | 109 W/mK | 756 BTU-in/hr-ft2-°F |
| Electrical resistivity | 6.54 μΩ-cm at 20 °C | 2.57 μΩ-in at 68 °F |
| Latent heat (heat of fusion) | 110 J/g | 4.7x10-5 BTU/lb |
| Specific heat capacity | 419 J/kg-°C | 0.100 BTU/lb-°F |
| Coefficient of friction | 0.08 | |
USAGE:
1. Mainly used for die-casting alloy battery industry
2.Widely used in Painting/ Printing/Dyeing/pharmaceutical/rubber industry etc.
3.Chemical industries, zinc and other metal alloy plating coating industry
4.In zinc plating, manufacture of brass, maganese bronze, galvanized iron, dry battery; as catalyst and reducing agent.
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