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6262 Aluminum vs. Grade 18 Titanium

6262 aluminum belongs to the aluminum alloys classification, while grade 18 titanium belongs to the titanium alloys. There are 29 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 6262 aluminum and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.6 to 10
11 to 17
Fatigue Strength, MPa 90 to 110
330 to 480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 170 to 240
420 to 590
Tensile Strength: Ultimate (UTS), MPa 290 to 390
690 to 980
Tensile Strength: Yield (Proof), MPa 270 to 360
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 160
330
Melting Completion (Liquidus), °C 650
1640
Melting Onset (Solidus), °C 580
1590
Specific Heat Capacity, J/kg-K 890
550
Thermal Conductivity, W/m-K 170
8.3
Thermal Expansion, µm/m-K 23
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 8.3
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 1190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
1380 to 3110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
35
Strength to Weight: Axial, points 29 to 39
43 to 61
Strength to Weight: Bending, points 35 to 42
39 to 49
Thermal Diffusivity, mm2/s 69
3.4
Thermal Shock Resistance, points 13 to 18
47 to 67

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
2.5 to 3.5
Bismuth (Bi), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 0.4 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.4 to 0.8
0
Titanium (Ti), % 0 to 0.15
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.4