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AWS ERTi-7 vs. 5088 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 5088 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 5088 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 20
29
Fatigue Strength, MPa 190
180
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
25
Tensile Strength: Ultimate (UTS), MPa 340
310
Tensile Strength: Yield (Proof), MPa 280
150

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
540
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
29
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
98

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 47
9.0
Embodied Energy, MJ/kg 800
150
Embodied Water, L/kg 470
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
76
Resilience: Unit (Modulus of Resilience), kJ/m3 360
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 24
38
Thermal Diffusivity, mm2/s 8.8
51
Thermal Shock Resistance, points 26
14

Alloy Composition

Aluminum (Al), % 0
92.4 to 94.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0.1 to 0.35
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 0
0.2 to 0.5
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 0.2
Titanium (Ti), % 99.417 to 99.8
0
Zinc (Zn), % 0
0.2 to 0.4
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15