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AWS ERTi-1 vs. 7075 Aluminum

AWS ERTi-1 belongs to the titanium alloys classification, while 7075 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 24
1.8 to 12
Fatigue Strength, MPa 120
110 to 190
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 240
240 to 590
Tensile Strength: Yield (Proof), MPa 170
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 420
380
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
480
Specific Heat Capacity, J/kg-K 540
870
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
33
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
98

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 31
8.3
Embodied Energy, MJ/kg 510
150
Embodied Water, L/kg 110
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110 to 1870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 15
22 to 54
Strength to Weight: Bending, points 19
28 to 52
Thermal Diffusivity, mm2/s 8.7
50
Thermal Shock Resistance, points 19
10 to 25

Alloy Composition

Aluminum (Al), % 0
86.9 to 91.4
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0
1.2 to 2.0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0 to 0.5
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 99.773 to 99.97
0 to 0.2
Zinc (Zn), % 0
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15