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1200 Aluminum vs. AWS ERTi-7

1200 aluminum belongs to the aluminum alloys classification, while AWS ERTi-7 belongs to the titanium 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 1200 aluminum and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 1.1 to 28
20
Fatigue Strength, MPa 25 to 69
190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 85 to 180
340
Tensile Strength: Yield (Proof), MPa 28 to 160
280

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 660
1670
Melting Onset (Solidus), °C 650
1620
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 230
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 190
7.3

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.2
47
Embodied Energy, MJ/kg 150
800
Embodied Water, L/kg 1190
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0 to 19
64
Resilience: Unit (Modulus of Resilience), kJ/m3 5.7 to 180
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 8.7 to 19
21
Strength to Weight: Bending, points 16 to 26
24
Thermal Diffusivity, mm2/s 92
8.8
Thermal Shock Resistance, points 3.8 to 8.1
26

Alloy Composition

Aluminum (Al), % 99 to 100
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 1.0
0 to 0.12
Manganese (Mn), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Silicon (Si), % 0 to 1.0
0
Titanium (Ti), % 0 to 0.050
99.417 to 99.8
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0