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Zamak 7 vs. ASTM B563 Pd-Ag-Cu

Zamak 7 belongs to the zinc alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
100
Elongation at Break, % 13
7.0 to 17
Knoop Hardness 99
210 to 350
Poisson's Ratio 0.25
0.37
Shear Modulus, GPa 33
37
Shear Strength, MPa 210
470 to 690
Tensile Strength: Ultimate (UTS), MPa 280
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 120
150
Melting Completion (Liquidus), °C 390
1180
Melting Onset (Solidus), °C 380
1030
Specific Heat Capacity, J/kg-K 410
260
Thermal Expansion, µm/m-K 27
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 38
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 6.4
11

Common Calculations

Stiffness to Weight: Axial, points 7.5
5.2
Stiffness to Weight: Bending, points 23
14
Strength to Weight: Axial, points 12
19 to 30
Strength to Weight: Bending, points 15
17 to 22
Thermal Shock Resistance, points 8.6
39 to 61

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.25
15.5 to 16.5
Iron (Fe), % 0 to 0.075
0
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Nickel (Ni), % 0.0050 to 0.020
0.8 to 1.2
Palladium (Pd), % 0
43 to 45
Platinum (Pt), % 0
0.8 to 1.2
Silver (Ag), % 0
37 to 39
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0
Residuals, % 0
0 to 0.4