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AWS ERTi-7 vs. 1200 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 1200 aluminum belongs to the aluminum alloys. There are 28 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 AWS ERTi-7 and the bottom bar is 1200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 20
1.1 to 28
Fatigue Strength, MPa 190
25 to 69
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 340
85 to 180
Tensile Strength: Yield (Proof), MPa 280
28 to 160

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1670
660
Melting Onset (Solidus), °C 1620
650
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
230
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
58
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
190

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 47
8.2
Embodied Energy, MJ/kg 800
150
Embodied Water, L/kg 470
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
2.0 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 360
5.7 to 180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 21
8.7 to 19
Strength to Weight: Bending, points 24
16 to 26
Thermal Diffusivity, mm2/s 8.8
92
Thermal Shock Resistance, points 26
3.8 to 8.1

Alloy Composition

Aluminum (Al), % 0
99 to 100
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 1.0
Manganese (Mn), % 0
0 to 0.050
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 1.0
Titanium (Ti), % 99.417 to 99.8
0 to 0.050
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15