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AWS ERTi-7 vs. 5457 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 5457 aluminum belongs to the aluminum alloys. There are 28 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 AWS ERTi-7 and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 20
6.0 to 22
Fatigue Strength, MPa 190
55 to 98
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 340
130 to 210
Tensile Strength: Yield (Proof), MPa 280
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1670
660
Melting Onset (Solidus), °C 1620
630
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
180
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
46
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
150

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 47
8.4
Embodied Energy, MJ/kg 800
160
Embodied Water, L/kg 470
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 360
18 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 21
13 to 21
Strength to Weight: Bending, points 24
21 to 28
Thermal Diffusivity, mm2/s 8.8
72
Thermal Shock Resistance, points 26
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 0
97.8 to 99.05
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.1
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0
0.15 to 0.45
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0 to 0.080
Titanium (Ti), % 99.417 to 99.8
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1