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AWS ERTi-7 vs. 2030 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 2030 aluminum belongs to the aluminum alloys. There are 28 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-7 and the bottom bar is 2030 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 20
5.6 to 8.0
Fatigue Strength, MPa 190
91 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 340
370 to 420
Tensile Strength: Yield (Proof), MPa 280
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
190
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
510
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
34
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
99

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.1
Embodied Carbon, kg CO2/kg material 47
8.0
Embodied Energy, MJ/kg 800
150
Embodied Water, L/kg 470
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 360
390 to 530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
45
Strength to Weight: Axial, points 21
33 to 38
Strength to Weight: Bending, points 24
37 to 40
Thermal Diffusivity, mm2/s 8.8
50
Thermal Shock Resistance, points 26
16 to 19

Alloy Composition

Aluminum (Al), % 0
88.9 to 95.2
Bismuth (Bi), % 0
0 to 0.2
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
3.3 to 4.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Magnesium (Mg), % 0
0.5 to 1.3
Manganese (Mn), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0 to 0.8
Titanium (Ti), % 99.417 to 99.8
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3