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Zamak 2 vs. Grade 18 Titanium

Zamak 2 belongs to the zinc alloys classification, while grade 18 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 6.0
11 to 17
Fatigue Strength, MPa 59
330 to 480
Poisson's Ratio 0.26
0.32
Shear Modulus, GPa 33
40
Shear Strength, MPa 320
420 to 590
Tensile Strength: Ultimate (UTS), MPa 360
690 to 980
Tensile Strength: Yield (Proof), MPa 270
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 130
410
Maximum Temperature: Mechanical, °C 95
330
Melting Completion (Liquidus), °C 390
1640
Melting Onset (Solidus), °C 380
1590
Specific Heat Capacity, J/kg-K 410
550
Thermal Conductivity, W/m-K 110
8.3
Thermal Expansion, µm/m-K 28
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.7

Otherwise Unclassified Properties

Density, g/cm3 6.5
4.5
Embodied Carbon, kg CO2/kg material 3.0
41
Embodied Energy, MJ/kg 57
670
Embodied Water, L/kg 380
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 420
1380 to 3110
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 15
43 to 61
Strength to Weight: Bending, points 17
39 to 49
Thermal Diffusivity, mm2/s 41
3.4
Thermal Shock Resistance, points 11
47 to 67

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
2.5 to 3.5
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 2.5 to 3.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Nickel (Ni), % 0 to 0.020
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.030
0
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 92.2 to 94
0
Residuals, % 0
0 to 0.4