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Zamak 5 vs. ASTM B628 Ag-Cu

Zamak 5 belongs to the zinc alloys classification, while ASTM B628 Ag-Cu belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
83
Elongation at Break, % 6.3
1.1 to 17
Poisson's Ratio 0.25
0.36
Shear Modulus, GPa 33
31
Shear Strength, MPa 260
210 to 430
Tensile Strength: Ultimate (UTS), MPa 330
350 to 760

Thermal Properties

Latent Heat of Fusion, J/g 120
140
Melting Completion (Liquidus), °C 390
780
Melting Onset (Solidus), °C 380
780
Specific Heat Capacity, J/kg-K 410
280
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
84
Electrical Conductivity: Equal Weight (Specific), % IACS 37
75

Otherwise Unclassified Properties

Density, g/cm3 6.4
10

Common Calculations

Stiffness to Weight: Axial, points 7.5
4.6
Stiffness to Weight: Bending, points 23
14
Strength to Weight: Axial, points 14
9.5 to 21
Strength to Weight: Bending, points 16
11 to 18
Thermal Shock Resistance, points 9.9
16 to 34

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.0050
Cadmium (Cd), % 0 to 0.0050
0 to 0.050
Copper (Cu), % 0.7 to 1.3
26.6 to 29
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.0050
0 to 0.030
Magnesium (Mg), % 0.025 to 0.080
0
Nickel (Ni), % 0 to 0.020
0 to 0.010
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
0
Silver (Ag), % 0
71 to 73
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0 to 0.060
Residuals, % 0
0 to 0.21