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AWS ERTi-1 vs. 4045 Aluminum

AWS ERTi-1 belongs to the titanium alloys classification, while 4045 aluminum belongs to the aluminum 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 AWS ERTi-1 and the bottom bar is 4045 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 24
2.3
Fatigue Strength, MPa 120
45
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 240
120
Tensile Strength: Yield (Proof), MPa 170
64

Thermal Properties

Latent Heat of Fusion, J/g 420
540
Maximum Temperature: Mechanical, °C 320
160
Melting Completion (Liquidus), °C 1670
600
Melting Onset (Solidus), °C 1620
580
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
170
Thermal Expansion, µm/m-K 8.7
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
45
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
160

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.6
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
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 140
29
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
54
Strength to Weight: Axial, points 15
13
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 8.7
74
Thermal Shock Resistance, points 19
5.7

Alloy Composition

Aluminum (Al), % 0
87.4 to 91
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Silicon (Si), % 0
9.0 to 11
Titanium (Ti), % 99.773 to 99.97
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15