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AWS ERTi-7 vs. 6018 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 6018 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 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 20
9.0 to 9.1
Fatigue Strength, MPa 190
85 to 89
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 340
290 to 300
Tensile Strength: Yield (Proof), MPa 280
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
160
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
570
Specific Heat Capacity, J/kg-K 540
890
Thermal Conductivity, W/m-K 21
170
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
44
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
140

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.9
Embodied Carbon, kg CO2/kg material 47
8.2
Embodied Energy, MJ/kg 800
150
Embodied Water, L/kg 470
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 360
360 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
48
Strength to Weight: Axial, points 21
28 to 29
Strength to Weight: Bending, points 24
34 to 35
Thermal Diffusivity, mm2/s 8.8
65
Thermal Shock Resistance, points 26
13

Alloy Composition

Aluminum (Al), % 0
93.1 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0.15 to 0.4
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.7
Lead (Pb), % 0
0.4 to 1.2
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.3 to 0.8
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
0.5 to 1.2
Titanium (Ti), % 99.417 to 99.8
0 to 0.2
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15