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Grade 4 Titanium vs. ZA-8

Grade 4 titanium belongs to the titanium alloys classification, while ZA-8 belongs to the zinc alloys. There are 31 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 4 titanium and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
87 to 100
Elastic (Young's, Tensile) Modulus, GPa 110
85 to 86
Elongation at Break, % 17
1.3 to 8.0
Fatigue Strength, MPa 340
51 to 100
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 41
34
Shear Strength, MPa 390
240 to 280
Tensile Strength: Ultimate (UTS), MPa 640
210 to 370
Tensile Strength: Yield (Proof), MPa 530
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 420
110
Maximum Temperature: Mechanical, °C 320
100
Melting Completion (Liquidus), °C 1660
400
Melting Onset (Solidus), °C 1610
380
Specific Heat Capacity, J/kg-K 540
440
Thermal Conductivity, W/m-K 19
120
Thermal Expansion, µm/m-K 9.4
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
28
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
40

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
6.3
Embodied Carbon, kg CO2/kg material 31
3.3
Embodied Energy, MJ/kg 500
62
Embodied Water, L/kg 110
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 1330
260 to 490
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 40
9.3 to 17
Strength to Weight: Bending, points 37
12 to 18
Thermal Diffusivity, mm2/s 7.6
42
Thermal Shock Resistance, points 46
7.6 to 13

Alloy Composition

Aluminum (Al), % 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 0.050
0
Oxygen (O), % 0 to 0.4
0
Silicon (Si), % 0
0 to 0.045
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 98.6 to 100
0
Zinc (Zn), % 0
89.7 to 91.2
Residuals, % 0 to 0.4
0