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Grade 1 Titanium vs. 7076 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while 7076 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
160
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 28
6.2
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 39
27
Shear Strength, MPa 200
310
Tensile Strength: Ultimate (UTS), MPa 310
530
Tensile Strength: Yield (Proof), MPa 220
460

Thermal Properties

Latent Heat of Fusion, J/g 420
380
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
630
Melting Onset (Solidus), °C 1610
460
Specific Heat Capacity, J/kg-K 540
860
Thermal Conductivity, W/m-K 20
140
Thermal Expansion, µm/m-K 8.8
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
35
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 31
8.0
Embodied Energy, MJ/kg 510
150
Embodied Water, L/kg 110
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
31
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
45
Strength to Weight: Axial, points 19
49
Strength to Weight: Bending, points 23
48
Thermal Diffusivity, mm2/s 8.2
54
Thermal Shock Resistance, points 24
23

Alloy Composition

Aluminum (Al), % 0
86.9 to 91.2
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0.3 to 1.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.6
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 0
0.3 to 0.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 99.095 to 100
0 to 0.2
Zinc (Zn), % 0
7.0 to 8.0
Residuals, % 0
0 to 0.15