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712.0 Aluminum vs. AWS ERTi-1

712.0 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 (3, in this case) are not shown.

For each property being compared, the top bar is 712.0 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, % 4.5 to 4.7
24
Fatigue Strength, MPa 140 to 180
120
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 250 to 260
240
Tensile Strength: Yield (Proof), MPa 180 to 200
170

Thermal Properties

Latent Heat of Fusion, J/g 380
420
Maximum Temperature: Mechanical, °C 190
320
Melting Completion (Liquidus), °C 640
1670
Melting Onset (Solidus), °C 610
1620
Specific Heat Capacity, J/kg-K 870
540
Thermal Conductivity, W/m-K 160
21
Thermal Expansion, µm/m-K 24
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.0
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1140
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
52
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 270
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 24 to 25
15
Strength to Weight: Bending, points 30 to 31
19
Thermal Diffusivity, mm2/s 62
8.7
Thermal Shock Resistance, points 11
19

Alloy Composition

Aluminum (Al), % 90.7 to 94
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.5
0 to 0.080
Magnesium (Mg), % 0.5 to 0.65
0
Manganese (Mn), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0.15 to 0.25
99.773 to 99.97
Zinc (Zn), % 5.0 to 6.5
0
Residuals, % 0 to 0.2
0