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Grade 6 Titanium vs. ZA-8

Grade 6 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 6 titanium and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
85 to 86
Elongation at Break, % 11
1.3 to 8.0
Fatigue Strength, MPa 290
51 to 100
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 39
34
Shear Strength, MPa 530
240 to 280
Tensile Strength: Ultimate (UTS), MPa 890
210 to 370
Tensile Strength: Yield (Proof), MPa 840
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 410
110
Maximum Temperature: Mechanical, °C 310
100
Melting Completion (Liquidus), °C 1580
400
Melting Onset (Solidus), °C 1530
380
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 7.8
120
Thermal Expansion, µm/m-K 9.4
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
40

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 4.5
6.3
Embodied Carbon, kg CO2/kg material 30
3.3
Embodied Energy, MJ/kg 480
62
Embodied Water, L/kg 190
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
260 to 490
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 55
9.3 to 17
Strength to Weight: Bending, points 46
12 to 18
Thermal Diffusivity, mm2/s 3.2
42
Thermal Shock Resistance, points 65
7.6 to 13

Alloy Composition


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Aluminum (Al), % 4.0 to 6.0
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 0.5
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 0.2
0
Silicon (Si), % 0
0 to 0.045
Tin (Sn), % 2.0 to 3.0
0 to 0.0030
Titanium (Ti), % 89.8 to 94
0
Zinc (Zn), % 0
89.7 to 91.2
Residuals, % 0 to 0.4
0