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Grade 9 Titanium vs. ZA-12

Grade 9 titanium belongs to the titanium alloys classification, while ZA-12 belongs to the zinc alloys. There are 30 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 grade 9 titanium and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
83
Elongation at Break, % 11 to 17
1.6 to 5.3
Fatigue Strength, MPa 330 to 480
73 to 120
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 40
33
Shear Strength, MPa 430 to 580
240 to 300
Tensile Strength: Ultimate (UTS), MPa 700 to 960
260 to 400
Tensile Strength: Yield (Proof), MPa 540 to 830
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 410
120
Maximum Temperature: Mechanical, °C 330
100
Melting Completion (Liquidus), °C 1640
430
Melting Onset (Solidus), °C 1590
380
Specific Heat Capacity, J/kg-K 550
450
Thermal Conductivity, W/m-K 8.1
120
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
42

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
6.0
Embodied Carbon, kg CO2/kg material 36
3.4
Embodied Energy, MJ/kg 580
64
Embodied Water, L/kg 150
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
260 to 620
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 43 to 60
12 to 19
Strength to Weight: Bending, points 39 to 48
15 to 20
Thermal Diffusivity, mm2/s 3.3
43
Thermal Shock Resistance, points 52 to 71
9.4 to 14

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0.5 to 1.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Nickel (Ni), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0
0 to 0.060
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 92.6 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
87.1 to 89
Residuals, % 0 to 0.4
0