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7049 Aluminum vs. AWS ERTi-1

7049 aluminum belongs to the aluminum alloys classification, while AWS ERTi-1 belongs to the titanium 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 7049 aluminum and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 6.2 to 7.0
24
Fatigue Strength, MPa 160 to 170
120
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 510 to 530
240
Tensile Strength: Yield (Proof), MPa 420 to 450
170

Thermal Properties

Latent Heat of Fusion, J/g 370
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 640
1670
Melting Onset (Solidus), °C 480
1620
Specific Heat Capacity, J/kg-K 860
540
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.1
31
Embodied Energy, MJ/kg 140
510
Embodied Water, L/kg 1110
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
52
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
35
Strength to Weight: Axial, points 46 to 47
15
Strength to Weight: Bending, points 46 to 47
19
Thermal Diffusivity, mm2/s 51
8.7
Thermal Shock Resistance, points 22 to 23
19

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.35
0 to 0.080
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0
Nitrogen (N), % 0
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.1
99.773 to 99.97
Zinc (Zn), % 7.2 to 8.2
0
Residuals, % 0 to 0.15
0