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4007 Aluminum vs. AWS ERTi-1

4007 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 4007 aluminum and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.1 to 23
24
Fatigue Strength, MPa 46 to 88
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 130 to 160
240
Tensile Strength: Yield (Proof), MPa 50 to 120
170

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 650
1670
Melting Onset (Solidus), °C 590
1620
Specific Heat Capacity, J/kg-K 890
540
Thermal Conductivity, W/m-K 170
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 8.1
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1160
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
52
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
35
Strength to Weight: Axial, points 12 to 15
15
Strength to Weight: Bending, points 20 to 23
19
Thermal Diffusivity, mm2/s 67
8.7
Thermal Shock Resistance, points 5.5 to 6.7
19

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.050 to 0.25
0
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0.4 to 1.0
0 to 0.080
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0
Nickel (Ni), % 0.15 to 0.7
0
Nitrogen (N), % 0
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Silicon (Si), % 1.0 to 1.7
0
Titanium (Ti), % 0 to 0.1
99.773 to 99.97
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0