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Grade 9 Titanium vs. ZA-8

Grade 9 titanium belongs to the titanium alloys classification, while ZA-8 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-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
85 to 86
Elongation at Break, % 11 to 17
1.3 to 8.0
Fatigue Strength, MPa 330 to 480
51 to 100
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 40
34
Shear Strength, MPa 430 to 580
240 to 280
Tensile Strength: Ultimate (UTS), MPa 700 to 960
210 to 370
Tensile Strength: Yield (Proof), MPa 540 to 830
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 410
110
Maximum Temperature: Mechanical, °C 330
100
Melting Completion (Liquidus), °C 1640
400
Melting Onset (Solidus), °C 1590
380
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 8.1
120
Thermal Expansion, µm/m-K 9.1
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
40

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
6.3
Embodied Carbon, kg CO2/kg material 36
3.3
Embodied Energy, MJ/kg 580
62
Embodied Water, L/kg 150
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
260 to 490
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 60
9.3 to 17
Strength to Weight: Bending, points 39 to 48
12 to 18
Thermal Diffusivity, mm2/s 3.3
42
Thermal Shock Resistance, points 52 to 71
7.6 to 13

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0.8 to 1.3
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 0.045
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
89.7 to 91.2
Residuals, % 0 to 0.4
0

Comparable Variants