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AWS ERTi-1 vs. 354.0 Aluminum

AWS ERTi-1 belongs to the titanium alloys classification, while 354.0 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is 354.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 24
2.4 to 3.0
Fatigue Strength, MPa 120
92 to 120
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 240
360 to 380
Tensile Strength: Yield (Proof), MPa 170
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 420
530
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1670
600
Melting Onset (Solidus), °C 1620
550
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
32
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
110

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 31
7.8
Embodied Energy, MJ/kg 510
150
Embodied Water, L/kg 110
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
8.6 to 9.8
Resilience: Unit (Modulus of Resilience), kJ/m3 140
540 to 670
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 15
37 to 39
Strength to Weight: Bending, points 19
42 to 44
Thermal Diffusivity, mm2/s 8.7
52
Thermal Shock Resistance, points 19
17 to 18

Alloy Composition

Aluminum (Al), % 0
87.3 to 89.4
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
1.6 to 2.0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0 to 0.2
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Silicon (Si), % 0
8.6 to 9.4
Titanium (Ti), % 99.773 to 99.97
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15