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Zamak 3 vs. EN 2.4964 Cobalt

Zamak 3 belongs to the zinc alloys classification, while EN 2.4964 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
220
Elongation at Break, % 11
40
Fatigue Strength, MPa 48
220
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
86
Tensile Strength: Ultimate (UTS), MPa 280
960
Tensile Strength: Yield (Proof), MPa 210
390

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Melting Completion (Liquidus), °C 390
1630
Melting Onset (Solidus), °C 380
1550
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 38
1.8

Otherwise Unclassified Properties

Density, g/cm3 6.4
9.6
Embodied Carbon, kg CO2/kg material 3.0
9.8
Embodied Energy, MJ/kg 57
140
Embodied Water, L/kg 380
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
310
Resilience: Unit (Modulus of Resilience), kJ/m3 260
340
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 12
28
Strength to Weight: Bending, points 15
23
Thermal Diffusivity, mm2/s 43
3.9
Thermal Shock Resistance, points 8.6
25

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
0 to 3.0
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.020
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.030
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 95.3 to 96.5
0