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AWS ERTi-7 vs. 3303 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 3303 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 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 20
23
Fatigue Strength, MPa 190
43
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 340
110
Tensile Strength: Yield (Proof), MPa 280
39

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1670
650
Melting Onset (Solidus), °C 1620
620
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
170
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
43
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
140

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 47
8.1
Embodied Energy, MJ/kg 800
150
Embodied Water, L/kg 470
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
20
Resilience: Unit (Modulus of Resilience), kJ/m3 360
11
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 21
11
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 8.8
67
Thermal Shock Resistance, points 26
4.8

Alloy Composition

Aluminum (Al), % 0
96.6 to 99
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0.050 to 0.2
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.7
Manganese (Mn), % 0
1.0 to 1.5
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
0 to 0.6
Titanium (Ti), % 99.417 to 99.8
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15