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384.0 Aluminum vs. AWS ERTi-1

384.0 aluminum belongs to the aluminum alloys classification, while AWS ERTi-1 belongs to the titanium 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 384.0 aluminum and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 2.5
24
Fatigue Strength, MPa 140
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
41
Tensile Strength: Ultimate (UTS), MPa 330
240
Tensile Strength: Yield (Proof), MPa 170
170

Thermal Properties

Latent Heat of Fusion, J/g 550
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 580
1670
Melting Onset (Solidus), °C 530
1620
Specific Heat Capacity, J/kg-K 870
540
Thermal Conductivity, W/m-K 96
21
Thermal Expansion, µm/m-K 21
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 69
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.4
31
Embodied Energy, MJ/kg 140
510
Embodied Water, L/kg 1010
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
52
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
35
Strength to Weight: Axial, points 32
15
Strength to Weight: Bending, points 37
19
Thermal Diffusivity, mm2/s 39
8.7
Thermal Shock Resistance, points 15
19

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 3.0 to 4.5
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 1.3
0 to 0.080
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Silicon (Si), % 10.5 to 12
0
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
99.773 to 99.97
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0