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AWS ERTi-7 vs. 390.0 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 390.0 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 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
75
Elongation at Break, % 20
1.0
Fatigue Strength, MPa 190
76 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
28
Tensile Strength: Ultimate (UTS), MPa 340
280 to 300
Tensile Strength: Yield (Proof), MPa 280
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 420
640
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1670
650
Melting Onset (Solidus), °C 1620
560
Specific Heat Capacity, J/kg-K 540
880
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
79 to 83

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 47
7.3
Embodied Energy, MJ/kg 800
130
Embodied Water, L/kg 470
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 360
380 to 470
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 21
28 to 30
Strength to Weight: Bending, points 24
35 to 36
Thermal Diffusivity, mm2/s 8.8
56
Thermal Shock Resistance, points 26
14 to 15

Alloy Composition

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