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Zamak 5 vs. ASTM B617 Coin Silver

Zamak 5 belongs to the zinc alloys classification, while ASTM B617 coin silver 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 B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
75
Elongation at Break, % 6.3
1.1 to 22
Poisson's Ratio 0.25
0.37
Shear Modulus, GPa 33
28
Shear Strength, MPa 260
180 to 290
Tensile Strength: Ultimate (UTS), MPa 330
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 120
120
Melting Completion (Liquidus), °C 390
870
Melting Onset (Solidus), °C 380
780
Specific Heat Capacity, J/kg-K 410
250
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
83
Electrical Conductivity: Equal Weight (Specific), % IACS 37
72

Otherwise Unclassified Properties

Density, g/cm3 6.4
10

Common Calculations

Stiffness to Weight: Axial, points 7.5
4.1
Stiffness to Weight: Bending, points 23
14
Strength to Weight: Axial, points 14
7.7 to 14
Strength to Weight: Bending, points 16
9.3 to 14
Thermal Shock Resistance, points 9.9
14 to 25

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
9.0 to 10.4
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 0.020
Silicon (Si), % 0 to 0.030
0
Silver (Ag), % 0
89.6 to 91
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0 to 0.060
Residuals, % 0
0 to 0.060