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AWS ERTi-7 vs. 5042 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 5042 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 5042 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 20
1.1 to 3.4
Fatigue Strength, MPa 190
97 to 120
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 340
340 to 360
Tensile Strength: Yield (Proof), MPa 280
270 to 310

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
570
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
33
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
110

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 47
8.8
Embodied Energy, MJ/kg 800
150
Embodied Water, L/kg 470
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 360
550 to 720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 21
35 to 37
Strength to Weight: Bending, points 24
40 to 42
Thermal Diffusivity, mm2/s 8.8
53
Thermal Shock Resistance, points 26
15 to 16

Alloy Composition

Aluminum (Al), % 0
94.2 to 96.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.15
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.35
Magnesium (Mg), % 0
3.0 to 4.0
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 to 0.1
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15