MakeItFrom.com
Menu (ESC)

4145 Aluminum vs. Titanium 6-7

4145 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 4145 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
120
Elongation at Break, % 2.2
11
Fatigue Strength, MPa 48
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
45
Shear Strength, MPa 69
610
Tensile Strength: Ultimate (UTS), MPa 120
1020
Tensile Strength: Yield (Proof), MPa 68
900

Thermal Properties

Latent Heat of Fusion, J/g 540
410
Maximum Temperature: Mechanical, °C 160
300
Melting Completion (Liquidus), °C 590
1700
Melting Onset (Solidus), °C 520
1650
Specific Heat Capacity, J/kg-K 880
520
Thermal Expansion, µm/m-K 21
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 2.8
5.1
Embodied Carbon, kg CO2/kg material 7.6
34
Embodied Energy, MJ/kg 140
540
Embodied Water, L/kg 1040
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 31
3460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
32
Strength to Weight: Axial, points 12
56
Strength to Weight: Bending, points 19
44
Thermal Shock Resistance, points 5.5
66

Alloy Composition

Aluminum (Al), % 83 to 87.4
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.3 to 4.7
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.8
0 to 0.25
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.15
0
Molybdenum (Mo), % 0
6.5 to 7.5
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 9.3 to 10.7
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0