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AWS ERTi-1 vs. 224.0 Aluminum

AWS ERTi-1 belongs to the titanium alloys classification, while 224.0 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is 224.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 24
4.0 to 10
Fatigue Strength, MPa 120
86 to 120
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 240
380 to 420
Tensile Strength: Yield (Proof), MPa 170
280 to 330

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
220
Melting Completion (Liquidus), °C 1670
650
Melting Onset (Solidus), °C 1620
550
Specific Heat Capacity, J/kg-K 540
870
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
32
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
95

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 31
8.3
Embodied Energy, MJ/kg 510
160
Embodied Water, L/kg 110
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
16 to 35
Resilience: Unit (Modulus of Resilience), kJ/m3 140
540 to 770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
45
Strength to Weight: Axial, points 15
35 to 38
Strength to Weight: Bending, points 19
38 to 41
Thermal Diffusivity, mm2/s 8.7
47
Thermal Shock Resistance, points 19
17 to 18

Alloy Composition

Aluminum (Al), % 0
93 to 95.2
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
4.5 to 5.5
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0 to 0.1
Manganese (Mn), % 0
0.2 to 0.5
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Silicon (Si), % 0
0 to 0.060
Titanium (Ti), % 99.773 to 99.97
0 to 0.35
Vanadium (V), % 0
0.050 to 0.15
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0
0 to 0.1