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319.0 Aluminum vs. AWS ERTi-2

319.0 aluminum belongs to the aluminum alloys classification, while AWS ERTi-2 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 319.0 aluminum and the bottom bar is AWS ERTi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.8 to 2.0
20
Fatigue Strength, MPa 76 to 80
190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 190 to 240
340
Tensile Strength: Yield (Proof), MPa 110 to 180
280

Thermal Properties

Latent Heat of Fusion, J/g 480
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 600
1670
Melting Onset (Solidus), °C 540
1620
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 22
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 84
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.7
31
Embodied Energy, MJ/kg 140
510
Embodied Water, L/kg 1080
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
64
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
35
Strength to Weight: Axial, points 18 to 24
21
Strength to Weight: Bending, points 25 to 30
24
Thermal Diffusivity, mm2/s 44
8.7
Thermal Shock Resistance, points 8.6 to 11
27

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 1.0
0 to 0.12
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.35
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Silicon (Si), % 5.5 to 6.5
0
Titanium (Ti), % 0 to 0.25
99.667 to 99.92
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0