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Grade Ti-Pd8A Titanium vs. 4007 Aluminum

Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while 4007 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 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
32 to 44
Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 13
5.1 to 23
Fatigue Strength, MPa 260
46 to 88
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 500
130 to 160
Tensile Strength: Yield (Proof), MPa 430
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1610
590
Specific Heat Capacity, J/kg-K 540
890
Thermal Conductivity, W/m-K 21
170
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
42
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
140

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
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
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 880
18 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 31
12 to 15
Strength to Weight: Bending, points 31
20 to 23
Thermal Diffusivity, mm2/s 8.6
67
Thermal Shock Resistance, points 39
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 0
94.1 to 97.6
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0.4 to 1.0
Magnesium (Mg), % 0
0 to 0.2
Manganese (Mn), % 0
0.8 to 1.5
Nickel (Ni), % 0 to 0.050
0.15 to 0.7
Oxygen (O), % 0 to 0.4
0
Palladium (Pd), % 0.12 to 0.3
0
Silicon (Si), % 0
1.0 to 1.7
Titanium (Ti), % 98.8 to 99.9
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.4
0 to 0.15