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324.0 Aluminum vs. AWS ERTi-2

324.0 aluminum belongs to the aluminum alloys classification, while AWS ERTi-2 belongs to the titanium alloys.

For each property being compared, the top bar is 324.0 aluminum and the bottom bar is AWS ERTi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 3.0 to 4.0
20
Fatigue Strength, MPa 77 to 89
190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 210 to 310
340
Tensile Strength: Yield (Proof), MPa 110 to 270
280

Thermal Properties

Latent Heat of Fusion, J/g 500
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 610
1670
Melting Onset (Solidus), °C 550
1620
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 150
21
Thermal Expansion, µm/m-K 21
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 7.9
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1090
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 8.9
64
Resilience: Unit (Modulus of Resilience), kJ/m3 85 to 510
360
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
35
Strength to Weight: Axial, points 22 to 32
21
Strength to Weight: Bending, points 29 to 38
24
Thermal Diffusivity, mm2/s 62
8.7
Thermal Shock Resistance, points 9.7 to 14
27

Alloy Composition

Aluminum (Al), % 87.3 to 92.2
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0.4 to 0.6
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 1.2
0 to 0.12
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Silicon (Si), % 7.0 to 8.0
0
Titanium (Ti), % 0 to 0.2
99.667 to 99.92
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0