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Zamak 2 vs. Grade 38 Titanium

Zamak 2 belongs to the zinc alloys classification, while grade 38 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 6.0
11
Fatigue Strength, MPa 59
530
Poisson's Ratio 0.26
0.32
Shear Modulus, GPa 33
40
Shear Strength, MPa 320
600
Tensile Strength: Ultimate (UTS), MPa 360
1000
Tensile Strength: Yield (Proof), MPa 270
910

Thermal Properties

Latent Heat of Fusion, J/g 130
410
Maximum Temperature: Mechanical, °C 95
330
Melting Completion (Liquidus), °C 390
1620
Melting Onset (Solidus), °C 380
1570
Specific Heat Capacity, J/kg-K 410
550
Thermal Conductivity, W/m-K 110
8.0
Thermal Expansion, µm/m-K 28
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 6.5
4.5
Embodied Carbon, kg CO2/kg material 3.0
35
Embodied Energy, MJ/kg 57
560
Embodied Water, L/kg 380
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
110
Resilience: Unit (Modulus of Resilience), kJ/m3 420
3840
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 15
62
Strength to Weight: Bending, points 17
49
Thermal Diffusivity, mm2/s 41
3.2
Thermal Shock Resistance, points 11
72

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
3.5 to 4.5
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
1.2 to 1.8
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
0.2 to 0.3
Silicon (Si), % 0 to 0.030
0
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 92.2 to 94
0
Residuals, % 0
0 to 0.4