MakeItFrom.com
Menu (ESC)

705.0 Aluminum vs. Grade 27 Titanium

705.0 aluminum belongs to the aluminum alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 705.0 aluminum and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 8.4 to 10
27
Fatigue Strength, MPa 63 to 98
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 240 to 260
270
Tensile Strength: Yield (Proof), MPa 130
230

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 610
1610
Specific Heat Capacity, J/kg-K 890
540
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 24
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 8.4
33
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1170
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
70
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
35
Strength to Weight: Axial, points 24 to 26
17
Strength to Weight: Bending, points 31 to 32
21
Thermal Diffusivity, mm2/s 55
8.8
Thermal Shock Resistance, points 11
21

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.8
0 to 0.2
Magnesium (Mg), % 1.4 to 1.8
0
Manganese (Mn), % 0 to 0.6
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.25
99 to 99.92
Zinc (Zn), % 0 to 3.3
0
Residuals, % 0
0 to 0.4