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B390.0 Aluminum vs. AWS ERTi-7

B390.0 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 (1, in this case) are not shown.

For each property being compared, the top bar is B390.0 aluminum and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
110
Elongation at Break, % 0.88
20
Fatigue Strength, MPa 170
190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 29
40
Tensile Strength: Ultimate (UTS), MPa 320
340
Tensile Strength: Yield (Proof), MPa 250
280

Thermal Properties

Latent Heat of Fusion, J/g 640
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 580
1670
Melting Onset (Solidus), °C 580
1620
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 20
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 88
7.3

Otherwise Unclassified Properties

Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 7.3
47
Embodied Energy, MJ/kg 130
800
Embodied Water, L/kg 940
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
64
Resilience: Unit (Modulus of Resilience), kJ/m3 410
360
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 32
21
Strength to Weight: Bending, points 38
24
Thermal Diffusivity, mm2/s 55
8.8
Thermal Shock Resistance, points 15
26

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 1.3
0 to 0.12
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.1
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), % 16 to 18
0
Titanium (Ti), % 0 to 0.1
99.417 to 99.8
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.2
0