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Grade Ti-Pd8A Titanium vs. 4115 Aluminum

Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while 4115 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd8A titanium and the bottom bar is 4115 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
38 to 68
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 13
1.1 to 11
Fatigue Strength, MPa 260
39 to 76
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 500
120 to 220
Tensile Strength: Yield (Proof), MPa 430
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Maximum Temperature: Mechanical, °C 320
160
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
590
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
160
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
41
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
140

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 49
8.1
Embodied Energy, MJ/kg 840
150
Embodied Water, L/kg 520
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
2.1 to 10
Resilience: Unit (Modulus of Resilience), kJ/m3 880
11 to 270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 31
12 to 23
Strength to Weight: Bending, points 31
20 to 30
Thermal Diffusivity, mm2/s 8.6
66
Thermal Shock Resistance, points 39
5.2 to 9.9

Alloy Composition

Aluminum (Al), % 0
94.6 to 97.4
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0.1 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.7
Magnesium (Mg), % 0
0.1 to 0.5
Manganese (Mn), % 0
0.6 to 1.2
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Palladium (Pd), % 0.12 to 0.3
0
Silicon (Si), % 0
1.8 to 2.2
Titanium (Ti), % 98.8 to 99.9
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0 to 0.4
0 to 0.15