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AWS ERTi-7 vs. EN AC-44500 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while EN AC-44500 aluminum belongs to the aluminum alloys. There are 28 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 AWS ERTi-7 and the bottom bar is EN AC-44500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 20
1.1
Fatigue Strength, MPa 190
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 340
270
Tensile Strength: Yield (Proof), MPa 280
160

Thermal Properties

Latent Heat of Fusion, J/g 420
570
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1670
590
Melting Onset (Solidus), °C 1620
580
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
33
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
120

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.5
Embodied Carbon, kg CO2/kg material 47
7.7
Embodied Energy, MJ/kg 800
140
Embodied Water, L/kg 470
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 360
180
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 35
55
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 24
36
Thermal Diffusivity, mm2/s 8.8
57
Thermal Shock Resistance, points 26
13

Alloy Composition

Aluminum (Al), % 0
83.7 to 89.5
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 1.0
Magnesium (Mg), % 0
0 to 0.4
Manganese (Mn), % 0
0 to 0.55
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
10.5 to 13.5
Titanium (Ti), % 99.417 to 99.8
0 to 0.15
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.25