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Grade 38 Titanium vs. Zamak 2

Grade 38 titanium belongs to the titanium alloys classification, while Zamak 2 belongs to the zinc 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 grade 38 titanium and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 3.5 to 4.5
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
2.5 to 3.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 1.2 to 1.8
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.2 to 0.3
0
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 89.9 to 93.1
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
92.2 to 94
Residuals, % 0 to 0.4
0